A towing arrangement includes a pivotal handle which allows a user to position the handle more comfortably that would otherwise be possible with a conventional towing arrangement. The relative motion of the handle can also increase the maneuverability of a piece of luggage by eliminating the need fo
A towing arrangement includes a pivotal handle which allows a user to position the handle more comfortably that would otherwise be possible with a conventional towing arrangement. The relative motion of the handle can also increase the maneuverability of a piece of luggage by eliminating the need for a person to reposition his or her hand on the handle when attempting to redirect the piece of luggage.
대표청구항▼
What is claimed is: 1. A piece of towable luggage comprising: a piece of luggage; a tubular member adapted to be retractably mounted to a piece of luggage, the tubular member having first and second ends, the first end being adapted to be secured to the piece of luggage, the tubular member includin
What is claimed is: 1. A piece of towable luggage comprising: a piece of luggage; a tubular member adapted to be retractably mounted to a piece of luggage, the tubular member having first and second ends, the first end being adapted to be secured to the piece of luggage, the tubular member including an internal volume, the tubular member having an axis of elongation; a handle which includes a passageway in communication with the tubular member internal volume, the handle being adapted to be rotatably connected to the tubular member at the second end, the handle being capable of rotating about the axis of elongation; a joint lock member capable of rotatably connecting the handle to the tubular member; a first member external to the joint lock member and adapted to be in communication with the of the handle and selectively in communication with the internal volume of the tubular member, wherein the entirety of the joint lock member is contained inside the first member; and a torsional locking member adapted to be in communication with the handle and the tubular member for movement between a first position, at which the torsional locking member permits rotation of the handle relative to the tubular member, and a second position, at which the torsional locking member prevents rotation of the handle relative to the tubular member; wherein, the torsional locking member contains a return member that permits the torsional locking member to return automatically to the second position when the tubular member and the handle are in a first orientation. 2. The piece of towable luggage of claim 1 further comprising: a further member, the further member being capable of cooperating with first member, the further member comprising a raised portion and a depressed portion; wherein the raised and depressed portions of the further member are capable of cooperating with a cut-out portion of the torsional locking member; wherein the torsional locking member further comprises a pair of features to locate a pair of springs, the pair of springs being capable of communicating with an other member to force the torsional locking member to the second position. 3. The piece of towable luggage of claim 2 wherein: the first member comprises a pair of first protrusions capable of communicating with the internal volume, the pair of first protrusions being in line with and on opposite sides of the joint lock member; and further comprising a second member, the second member residing in the internal volume of the tubular member and including a pair of second protrusions capable of being aligned with the pair of first protrusions and, when so aligned, capable of being at least partially displaced along their axes by at least partial displacement of the pair of first protrusions. 4. The piece of towable luggage of claim 2 wherein: the first member comprises at least a first protrusion capable of communicating with the internal volume and the towing arrangement further comprises a second member, the second member residing in the internal volume of the tubular member and including a pair of second protrusions capable of being aligned with the at least first protrusion and, when at least one of the pair of second protrusions is so aligned, capable of being at least partially displaced along their axes by at least partial displacement of the at least first protrusion; and further comprising a button in the handle in communication with the first member such that depressing the button at least partially displaces the first member towards the tubular member sufficient for a portion of the first member to be capable of extending into the internal volume of the tubular member; wherein only when the at least first protrusion is aligned with at least one of the second protrusions, depressing the button in the handle at least partially displaces the first member towards the tubular member sufficient for a portion of the first member to extend into the internal volume of the tubular member; wherein the tubular member is substantially symmetrical about a plane including the axis of the joint lock member and the cross-section of the tubular member orthogonal to the axis of the joint lock member is not circular. 5. The piece of towable luggage of claim 4 wherein the tubular member has a generally oval cross-section. 6. A towing arrangement for luggage comprising: a tubular member adapted to be retractably mounted to a piece of luggage, the tubular member having first and second ends, the first end being adapted to be secured to the piece of luggage, the tubular member including an internal volume, the tubular member having an axis of elongation; a handle which includes a passageway in communication with the tubular member internal volume, the handle being adapted to be rotatably connected to the tubular member at the second end, the handle being capable of rotating about the axis of elongation; a joint lock member capable of rotatably connecting the handle to the tubular member; a first member completely external to the joint lock member and adapted to be in communication with the passageway of the handle and selectively in communication with the internal volume of the tubular member, wherein the entirety of the joint lock member is contained inside the first member; and a torsional locking member adapted to be in communication with the handle and the tubular member for movement between a first position, at which the torsional locking member permits rotation of the handle relative to the tubular member, and a second position, at which the torsional locking member prevents rotation of the handle relative to the tubular member; wherein, the torsional locking member contains a return member that permits the torsional locking member to return automatically to the second position when the tubular member and the handle are in a first orientation. 7. The towing arrangement of claim 6 further comprising a further member, the further member being disposed for cooperating with the first member, the further member comprising a raised portion and a depressed portion. 8. The towing arrangement of claim 7 wherein the raised and depressed portions of the further member are capable of cooperating with a cut-out portion of the torsional locking member. 9. The towing arrangement of claim 8 wherein the torsional locking member further comprises a pair of features to locate a pair of springs, the pair of springs being capable of communicating with an other member to force the torsional locking member to the second position. 10. The towing arrangement of claim 9 wherein the first member comprises at least a first protrusion capable of communicating with the internal volume and the towing arrangement further comprises a second member, the second member residing in the internal volume of the tubular member and including a pair of second protrusions disposed for alignment with the at least first protrusion and, when at least one of the pair of second protrusions is so aligned, capable of being at least partially displaced along their axes by at least partial displacement of the at least first protrusion. 11. The towing arrangement of claim 10 further comprising a button in the handle in communication with the first member such that depressing the button at least partially displaces the first member towards the tubular member sufficient for a portion of the first member to be capable of extending into the internal volume of the tubular member. 12. The towing arrangement of claim 11 wherein only when the at least first protrusion is aligned with at least one of the second protrusions, depressing the button in the handle at least partially displaces the first member towards the tubular member sufficient for a portion of the first member to extend into the internal volume of the tubular member. 13. The towing arrangement of claim 9 wherein the first member comprises a pair of first protrusions capable of communicating with the internal volume. 14. The towing arrangement of claim 13 wherein the pair of first protrusions are in line with and on opposite sides of the joint lock member. 15. The towing arrangement of claim 14 further comprising a second member, the second member residing in the internal volume of the tubular member and including a pair of second protrusions capable of being aligned with the pair of first protrusions and, when so aligned, capable of being at least partially displaced along their axes by at least partial displacement of the pair of first protrusions. 16. The towing arrangement of claim 12 wherein the joint lock member has an axis that is substantially parallel to the axis of elongation and tubular member is substantially symmetrical about a plane including the axis of the joint lock member and the cross-section of the tubular member orthogonal to the axis of the joint lock member is not circular. 17. The towing arrangement of claim 15 wherein the joint lock member has an axis that is substantially parallel to the axis of elongation and the tubular member is substantially symmetrical about a plane including the axis of the joint lock member and the cross-section of the tubular member orthogonal to the axis of the joint lock member is not circular. 18. The towing arrangement of claim 12 wherein the tubular member has a generally oval cross-section. 19. The towing arrangement of claim 16 wherein the tubular member has a generally oval cross-section. 20. The towing arrangement of claim 6 wherein the tubular member is a single-pole tubular member.
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Chen, Shou-Mao, Adjustment structure of a hand grip of a pull rod.
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