IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0177588
(2011-07-07)
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등록번호 |
US-8505791
(2013-08-13)
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발명자
/ 주소 |
- Fidrych, Paul J.
- Cross, Tory M.
- Helmsworth, Christopher M.
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출원인 / 주소 |
|
대리인 / 주소 |
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인용정보 |
피인용 횟수 :
1 인용 특허 :
13 |
초록
▼
A backpack with a self stabilizing shoulder strap system is disclosed. The backpack includes two shoulder straps, an intermediate member, and a bag. The bag is configured to pivot about a first connector associated with the intermediate member. The shoulder straps are configured to pivot about conne
A backpack with a self stabilizing shoulder strap system is disclosed. The backpack includes two shoulder straps, an intermediate member, and a bag. The bag is configured to pivot about a first connector associated with the intermediate member. The shoulder straps are configured to pivot about connectors associated with the intermediate member. The configuration of the shoulder strap system allows for the bag to remain substantially vertical during motions as the shoulders are raised and lowered.
대표청구항
▼
1. A backpack comprising: a bag and a shoulder strap system;the shoulder strap system including an intermediate member,a first shoulder strap,and a second shoulder strap;the intermediate member being attached to the bag at a first connector;the first shoulder strap being attached to the intermediate
1. A backpack comprising: a bag and a shoulder strap system;the shoulder strap system including an intermediate member,a first shoulder strap,and a second shoulder strap;the intermediate member being attached to the bag at a first connector;the first shoulder strap being attached to the intermediate member at a second connector and the second shoulder strap being attached to the intermediate member at a third connector;wherein the bag pivots about the first connector, the first shoulder strap pivots about the second connector, and the second shoulder strap pivots about the third connector,wherein each of the first connector, the second connector, and the third connector comprises a positive attachment region and a negative attachment region;wherein the positive attachment region and the negative attachment region are on separate components;wherein the positive attachment region faces and mates with the negative attachment region;wherein the positive attachment region and the negative attachment region rotate with respect to each other around a common axis;wherein the positive attachment region comprises a raised portion projecting from a first planar base surface;wherein the negative attachment region defines a recessed region in which the raised portion rotates;wherein the negative attachment region comprises a raised stop projecting from a second planar base surface of the recessed region;wherein the raised stop extends generally radially across the recessed region with respect to the common axis; andwherein the raised stop limits rotation of the raised portion. 2. The backpack according to claim 1, wherein each of the first connector, the second connector, and the third connector limits rotation to a fixed rotation range to assist balance of a user wearing the backpack and to avoid tangling of the first shoulder strap and the second shoulder strap when the backpack is not being worn. 3. The backpack according to claim 1, wherein the first connector stops pivoting of the bag at a first point in a clockwise direction and a second point in a counterclockwise direction to limit the pivoting of the bag to less than 360 degrees with respect to the intermediate member, wherein the second connector stops pivoting of the first shoulder strap at a third point in a clockwise direction and a fourth point in a counterclockwise direction to limit pivoting of the first shoulder strap to less than 360 degrees with respect to the intermediate member, andwherein the third connector stops pivoting of the second shoulder strap at a fifth point in a clockwise direction and a sixth point in a counterclockwise direction to limit pivoting of the second shoulder strap to less than 360 degrees with respect to the intermediate member. 4. The backpack according to claim 3, wherein the first connector stops pivoting of the bag at the first point in the clockwise direction and the second point in the counterclockwise direction to limit the pivoting of the bag to approximately 58 degrees with respect to the intermediate member. 5. The backpack according to claim 3, wherein the second connector stops pivoting of the first shoulder strap at the third point in the clockwise direction and the fourth point in the counterclockwise direction to limit pivoting of the first shoulder strap to approximately 67.5 degrees with respect to the intermediate member; and wherein the second connector stops pivoting of the second shoulder strap at the fifth point in the clockwise direction and the sixth point in the counterclockwise direction to limit pivoting of the second shoulder strap to approximately 67.5 degrees with respect to the intermediate member,so as to avoid tangling of the first shoulder strap and the second shoulder strap when the backpack is not being worn. 6. The backpack according to claim 1, wherein the positive attachment region further comprises a circular rim that projects from the first planar base surface and is disposed around the raised portion, wherein the raised portion extends within the circular rim generally radially across the first planar base surface with respect to the common axis,wherein the recessed region of the negative attachment region is defined by a circular wall disposed around the second planar base surface and the raised stop,wherein the circular wall is spaced apart from the raised stop to define a gap, andwherein the circular rim rotates within the gap and inside the circular wall. 7. The backpack according to claim 1, wherein the raised stop comprises two raised stops spaced radially apart around the common axis of the negative attachment region, and wherein the two raised stops limit rotation of the raised portion to between the two raised stops. 8. The backpack according to claim 1, wherein the positive attachment region includes a rim shaped as a circle, wherein the recessed region of the negative attachment region comprises a wall shaped as a circle, wherein the negative attachment region defines a gap between the wall and the raised stop, wherein the wall receives the rim, and wherein the rim is disposed within the gap. 9. The backpack according to claim 1, wherein the intermediate member defines an outer perimeter having an overall v-shape, wherein the v-shaped outer perimeter has a first end portion, a middle vertex portion, and a second end portion,wherein the first end portion is positioned at an angle to the second end portion with respect to the middle vertex portion, to form the overall v-shape, andwherein the first connector is disposed at the middle vertex portion, the second connector is disposed at the first end portion, and the third connector is disposed at the second end portion. 10. The backpack according to claim 9, wherein the bag includes a plate to which the intermediate member is pivotably connected by the first connector, and wherein the plate defines an outer perimeter having a v-shaped bottom and rounded sides that correspond to a range of positions through which the v-shaped intermediate member is configured to move. 11. The backpack according to claim 1, wherein the bag includes a plate to which the intermediate member is pivotably connected by the first connector, wherein the plate defines an outer perimeter,wherein the intermediate member comprises a first end at which the second connector is disposed and a second end at which the third connector is disposed,wherein the first connector is disposed horizontally between the first end and the second end, andwherein the first end and the second end of the intermediate member are confined within the outer perimeter of the plate over a full range of rotation of the intermediate member with respect to the plate. 12. The backpack according to claim 1, wherein the bag includes a plate to which the intermediate member is pivotably connected by the first connector, wherein the plate defines an outer perimeter having a first rounded side and a second rounded side,wherein the intermediate member defines an outer perimeter, andwherein the first connector limits the pivoting of the bag such that the entire outer perimeter of the intermediate member remains within the outer perimeter of the plate during a full range of rotation of the intermediate member and the plate supports the intermediate member during the full range of rotation of the intermediate member. 13. The backpack according to claim 1, wherein the bag includes a plate to which the intermediate member is pivotably connected by the first connector, and wherein the plate defines an outer perimeter having a v-shaped bottom and rounded sides that correspond to a range of positions through which the v-shaped intermediate member is configured to move. 14. The backpack according to claim 1, wherein the raised portion has a first planar face extending in a direction radial to the common axis; wherein the raised stop has a second planar face extending in a direction radial to the common axis; andwherein the second planar face of the raised stop contacts the first planar face of the raised portion to limit rotation. 15. The backpack according to claim 14, wherein the first connector is disposed vertically below and horizontally between the second connector and the third connector of the intermediate member. 16. The backpack according to claim 1, wherein the first shoulder strap extends from the second connector along a first longitudinal axis of the first shoulder strap from a first end of the first shoulder strap to a second end of the first shoulder strap opposite to the first end of the first shoulder strap, wherein the second shoulder strap extends from the third connector along a second longitudinal axis of the second shoulder strap from a first end of the second shoulder strap to a second end of the second shoulder strap opposite to the first end of the second shoulder strap, andwherein the second and third connectors limit the rotations of the respective first and second shoulder straps toward each other in a direction above the bag such that when the first and second shoulder straps are stopped at a proximal position, the first and second longitudinal axes intersect at a location closer to the second ends of the first and second shoulder straps than to the first ends of the first and second shoulder straps, thereby avoiding tangling of the first and second shoulder straps. 17. The backpack according to claim 16, wherein the second and third connectors limit the rotations of the respective first and second shoulder straps away from the proximal position and away from each other, such that when the first and second shoulder straps are stopped at a distal position, an angle between the first and second longitudinal axes is less than 180 degrees. 18. The backpack according to claim 1, wherein the intermediate member comprises a first side facing the bag and a second side opposite to the first side, wherein the positive attachment region and the negative attachment region of the first connector are disposed on the first side of the intermediate member,wherein the positive attachment region and the negative attachment region of the second connector are disposed on the second side of the intermediate member, andwherein the positive attachment region and the negative attachment region of the third connector are disposed on the second side of the intermediate member. 19. The backpack according to claim 18, wherein the negative attachment region of the first connector is disposed on the first side of the intermediate member, and the raised stop of the negative attachment region of the first connector projects from a first planar base surface of the first side; wherein the negative attachment region of the second connector is disposed on the second side of the intermediate member, and the raised stop of the negative attachment region of the second connector projects from a second planar base surface of the second side; andwherein the negative attachment region of the third connector is disposed on the second side of the intermediate member, and the raised stop of the negative attachment region of the third connector projects from the second planar base surface of the second side. 20. The backpack according to claim 19, wherein the intermediate member further comprises: a first circular wall projecting from the first planar base surface and around the recessed region of the negative attachment region of the first connector, wherein the first circular wall is spaced apart from the raised stop of the first connector;a second circular wall projecting from the second planar base surface and around the recessed region of the negative attachment region of the second connector, wherein the second circular wall is spaced apart from the raised stop of the second connector; anda third circular wall projecting from the second planar base surface and around the recessed region of the negative attachment region of the third connector, wherein the third circular wall is spaced apart from the raised stop of the third connector. 21. A backpack comprising: a bag and a shoulder strap system;the shoulder strap system including an intermediate member,a first shoulder strap, anda second shoulder strap;the intermediate member being attached to the bag at a first connector;the first shoulder strap being attached to the intermediate member at a second connector and the second shoulder strap being attached to the intermediate member at a third connector;the first connector being disposed vertically below and horizontally between the second connector and the third connector of the intermediate member;wherein the bag pivots about the first connector, the first shoulder strap pivots about the second connector, and the second shoulder strap pivots about the third connector;wherein the first connector comprises a positive attachment region and a negative attachment region;wherein the positive attachment region and the negative attachment region are on separate components;wherein the positive attachment region mates with the negative attachment region;wherein the positive attachment region and the negative attachment region rotate with respect to each other;wherein the positive attachment region comprises a raised portion;wherein the negative attachment region defines a recessed region in which the raised portion rotates;wherein the negative attachment region comprises a raised stop that limits rotation of the raised portion;wherein the raised portion comprises a raised rectangle that bisects the positive attachment region, with a first portion of the raised rectangle on a first side of a rotational axis of the positive attachment region and a second portion of the raised rectangle on a second side of the rotational axis of the positive attachment region opposite to the first side;wherein the raised stop comprises a set of raised stops formed in an X-like shape, with the first portion of the raised rectangle disposed between two of the raised stops and the second portion of the raised rectangle disposed between another two of the raised stops;wherein each of the second connector and the third connector comprises a shoulder strap positive attachment region and a shoulder strap negative attachment region;wherein the shoulder strap positive attachment region and the shoulder strap negative attachment region are on separate components;wherein the shoulder strap positive attachment region mates with the shoulder strap negative attachment region;wherein the shoulder strap positive attachment region and the shoulder strap negative attachment region rotate with respect to each other;wherein the shoulder strap positive attachment region comprises a shoulder strap raised portion;wherein the shoulder strap negative attachment region defines a shoulder strap recessed region in which the shoulder strap raised portion rotates;wherein the shoulder strap negative attachment region comprises a shoulder strap raised stop that limits rotation of the shoulder strap raised portion;wherein the shoulder strap raised portion comprises a shoulder strap raised rectangle that bisects the shoulder strap positive attachment region, with a first portion of the shoulder strap raised rectangle on a first side of a rotational axis of the shoulder strap positive attachment region and a second portion of the shoulder strap raised rectangle on a second side of the rotational axis of the shoulder strap positive attachment region opposite to the first side of the rotational axis of the shoulder strap positive attachment region, andwherein the shoulder strap raised stop comprises a set of shoulder strap raised stops formed in an X-like shape, with the first portion of the shoulder strap raised rectangle disposed between two of the shoulder strap raised stops and the second portion of the shoulder strap raised rectangle disposed between another two of the shoulder strap raised stops. 22. A backpack comprising: a bag attached to a shoulder strap system;wherein the bag pivots over a pivot range with respect to the shoulder strap system;wherein a central axis that bisects the bag and intersects a center of mass of the bag is oriented in a generally downwards direction at all positions within the pivot range;wherein the shoulder strap system includes an intermediate member,a first shoulder strap, anda second shoulder strap;wherein the intermediate member is attached to the bag at a first connector;wherein the first shoulder strap is attached to the intermediate member at a second connector and the second shoulder strap is attached to the intermediate member at a third connector;wherein the bag pivots about the first connector, the first shoulder strap pivots about the second connector, and the second shoulder strap pivots about the third connector,wherein each of the first connector, the second connector, and the third connector comprises a positive attachment region and a negative attachment region;wherein the positive attachment region and the negative attachment region are on separate components;wherein the positive attachment region faces and mates with the negative attachment region;wherein the positive attachment region and the negative attachment region rotate with respect to each other around a common axis;wherein the positive attachment region comprises a raised portion projecting from a first planar base surface;wherein the negative attachment region defines a recessed region in which the raised portion rotates;wherein the negative attachment region comprises a raised stop projecting from a second planar base surface of the recessed region;wherein the raised stop extends generally radially across the recessed region with respect to the common axis; andwherein the raised stop limits rotation of the raised portion. 23. The backpack according to claim 22, wherein the bag is configured to pivot around the first connector within a first pivot range of less than 360 degrees as limited by the first connector, wherein the first shoulder strap is configured to pivot around the second connector within a second pivot range of less than 360 degrees as limited by the second connector, andwherein the second shoulder strap is configured to pivot around the third connector within a third pivot range of less than 360 degrees as limited by the third connector. 24. The backpack according to claim 23, wherein the first shoulder strap extends from the second connector along a first longitudinal axis of the first shoulder strap from a first end of the first shoulder strap to a second end of the first shoulder strap opposite to the first end of the first shoulder strap, wherein the second shoulder strap extends from the third connector along a second longitudinal axis of the second shoulder strap from a first end of the second shoulder strap to a second end of the second shoulder strap opposite to the first end of the second shoulder strap, andwherein the second and third connectors limit the rotations of the respective first and second shoulder straps toward each other in a direction above the bag such that when the first and second shoulder straps are stopped at a proximal position, the first and second longitudinal axes intersect at a location closer to the second ends of the first and second shoulder straps than to the first ends of the first and second shoulder straps, thereby avoiding tangling of the first and second shoulder straps. 25. The backpack of claim 23, wherein the second and third connectors limit the rotations of the respective first and second shoulder straps away from the proximal position and away from each other, such that when the first and second shoulder straps are stopped at a distal position, an angle between the first and second longitudinal axes is less than 180 degrees. 26. A backpack comprising: a bag and a shoulder strap system;the shoulder strap system being attached to the bag by a connector;wherein the backpack can pivot about the connector through a plane parallel with a front side of the backpack;wherein the shoulder strap system includes an intermediate member,a first shoulder strap, anda second shoulder strap;wherein the intermediate member is attached to the bag at a first connector;wherein the first shoulder strap is attached to the intermediate member at a second connector and the second shoulder strap is attached to the intermediate member at a third connector;wherein the bag pivots about the first connector, the first shoulder strap pivots about the second connector, and the second shoulder strap pivots about the third connector,wherein each of the first connector, the second connector, and the third connector comprises a positive attachment region and a negative attachment region;wherein the positive attachment region and the negative attachment region are on separate components;wherein the positive attachment region faces and mates with the negative attachment region;wherein the positive attachment region and the negative attachment region rotate with respect to each other around a common axis;wherein the positive attachment region comprises a raised portion projecting from a first planar base surface;wherein the negative attachment region defines a recessed region in which the raised portion rotates;wherein the negative attachment region comprises a raised stop projecting from a second planar base surface of the recessed region;wherein the raised stop extends generally radially across the recessed region with respect to the common axis; andwherein the raised stop limits rotation of the raised portion. 27. The backpack according to claim 26, wherein the bag is configured to pivot around the first connector within a first pivot range of less than 360 degrees as limited by the first connector, wherein the first shoulder strap is configured to pivot around the second connector within a second pivot range of less than 360 degrees as limited by the second connector, andwherein the second shoulder strap is configured to pivot around the third connector within a third pivot range of less than 360 degrees as limited by the third connector. 28. The backpack according to claim 27, wherein the first shoulder strap extends from the second connector along a first longitudinal axis of the first shoulder strap from a first end of the first shoulder strap to a second end of the first shoulder strap opposite to the first end of the first shoulder strap, wherein the second shoulder strap extends from the third connector along a second longitudinal axis of the second shoulder strap from a first end of the second shoulder strap to a second end of the second shoulder strap opposite to the first end of the second shoulder strap, andwherein the second and third connectors limit the rotations of the respective first and second shoulder straps toward each other in a direction above the bag such that when the first and second shoulder straps are stopped at a proximal position, the first and second longitudinal axes intersect at a location closer to the second ends of the first and second shoulder straps than to the first ends of the first and second shoulder straps, thereby avoiding tangling of the first and second shoulder straps. 29. The backpack according to claim 28, wherein the second and third connectors limit the rotations of the respective first and second shoulder straps away from the proximal position and away from each other, such that when the first and second shoulder straps are stopped at a distal position, an angle between the first and second longitudinal axes is less than 180 degrees.
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