최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0971819 (2015-12-16) |
등록번호 | US-9775410 (2017-10-03) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 2 인용 특허 : 415 |
Various embodiments of web adjusters are disclosed herein. In one embodiment, a web adjuster includes a spring-loaded cam member having a bore through which a mounting shaft or pin extends for rotatably or pivotally mounting the cam member to a frame. The cam member can extend along a central axis a
Various embodiments of web adjusters are disclosed herein. In one embodiment, a web adjuster includes a spring-loaded cam member having a bore through which a mounting shaft or pin extends for rotatably or pivotally mounting the cam member to a frame. The cam member can extend along a central axis and include a first engagement feature positioned at a first radial distance from the central axis, and a second engagement feature positioned at a second radial distance from the central axis, larger than the first radial distance. The cam member can be rotated to engage the web to restrict movement of the web. The web adjuster can also include a handle or cover portion and a strap attached to the handle for gripping by a user to adjust the web adjuster.
1. A restraint sytem comprising: a web having a first end portion and a second end portion; anda web adjuster for adjusting tension in the web, the web adjuster including a frame having a pair of opposing sidewalls and a base extending therebetween, wherein the base includes a front portion having a
1. A restraint sytem comprising: a web having a first end portion and a second end portion; anda web adjuster for adjusting tension in the web, the web adjuster including a frame having a pair of opposing sidewalls and a base extending therebetween, wherein the base includes a front portion having an upper surface and a lower surface, a rear portion, and an opening therebetween, wherein the web extends adjacent to the upper surface of the front portion, through the opening, and adjacent to the lower surface of the front portion such that the first end portion of the web extends in generally the same direction as the second end portion; anda cam member rotatably coupled between the opposing sidewalls and including a central axis and a cam surface portion having a plurality of engagement features, wherein the cam member is biased to rotate in a first rotational direction to drive individual engagement features toward the upper surface of the front portion of the base and against the web to restrict movement of the web from the upper surface through the opening in the base, wherein the plurality of engagement features extend away from the central axis and are angled in a second rotational direction, opposite to the first rotational direction, and wherein the cam member is rotatable in the second rotational direction to permit movement of the web from the lower surface through the opening in the base. 2. The restraint system of claim 1 wherein a first individual engagement feature is positioned at a first radial distance from the central axis, a second individual engagement feature is positioned at a second radial distance from the central axis, and a third individual engagement feature is positioned at a third radial distance from the central axis, and wherein the second radial distance is greater than the first radial distance, and the third radial distance is greater than the second radial distance. 3. The restraint system of claim 2 wherein the cam member includes a bore extending along the central axis, wherein the upper surface includes a horizontal surface portion and a ramped surface portion extending from the horizontal surface portion, wherein the base further includes a curved surface portion between the upper surface and the lower surface and forming an edge of the opening, wherein the web is positionable to extend along the horizontal surface portion, the ramped surface portion, and the curved surface portion, and wherein the web adjuster further comprises: a biasing member positioned within the bore of the cam member to bias the cam member in the first rotational direction; anda handle operably coupled to the cam member, wherein the handle is operable to rotate the cam member in the second rotational direction to drive individual engagement features away from the base to permit movement of the web. 4. The restraint system of claim 3, further comprising a strap coupled to the handle and operable to rotate the cam member in the second rotational direction, and wherein one or more of the plurality of engagement features is positioned to contact the web to remove contaminants from the web when the web is moved. 5. The restraint system of claim 1, further comprising means for biasing the cam member in the first rotational direction. 6. The restraint system of claim 1 wherein the base further includes a curved surface portion forming an edge of the opening, and wherein the curved surface portion provides a smooth surface for movement of the web through the opening. 7. The restraint system of claim 1 wherein the cam surface portion is eccentrically oriented relative to the central axis. 8. A restraint system, comprising: a web having a first end portion and a second end portion; anda web adjuster for adjusting tension in the web, the web adjuster including: a frame having a base portion, wherein the base portion includes a front portion, a rear portion, and an opening therebetween, wherein the web extends along an upper surface of the front portion, through the opening, and at least partially along a lower surface of the front portion such that the first end portion extends away from the web adjuster in generally the same direction as the second end portion;a cam member rotatably coupled to the frame, wherein the cam member extends along a central axis and includes a first engagement feature positioned at a first radial distance from the central axis and a second engagement feature positioned at a second radial distance from the central axis, larger than the first radial distance, wherein the web extends between the cam member and the base portion, and wherein the cam member is rotatable to drive at least one of the first engagement feature and the second engagement feature toward the base portion to engage the web and restrict movement of the web through the opening in at least one direction. 9. The restraint system of claim 8 wherein the base portion includes a curved surface portion forming an edge of the opening, and wherein the curved surface portion reduces friction on the web during movement of the web through the opening. 10. The restraint system of claim 8 wherein the cam member includes a bore, and wherein the web adjuster further includes a biasing member positioned in the bore to bias the cam member rotate in a rotational direction that drives drive at least one of the first engagement feature and the second engagement feature toward the first horizontal surface to engage the web and restrict movement of the web. 11. The restraint system of claim 8 wherein the cam member is rotatable in a first rotatable direction to drive at least one of the first engagement feature and the second engagement feature toward the upper surface of the front portion of the base portion to engage the web and restrict movement of the web from the upper surface through the opening in the base portion, and wherein the first engagement feature and the second engagement feature are angled in a second rotational direction, opposite to the first rotational direction. 12. The restraint system of claim 8, further comprising a handle coupled to the cam member and a strap coupled to the handle, wherein the strap is operable to move the handle to rotate the cam member in a rotational direction to release a tension in the web. 13. The restraint system of claim 8 wherein rotation of the cam member moves the first engagement feature and the second engagement feature along a surface of the web to remove debris therefrom. 14. The restraint system of claim 8 wherein movement of the web between the upper surface of the front portion of the base portion and the cam member moves the web against the first engagement feature and the second engagement feature and removes debris from the web. 15. A restraint system comprising: a web;a frame having a first end portion, a second end portion, and an opening between the first end portion and the second end portion, wherein the first end portion includes an upper surface portion, a curved surface portion forming an edge of the opening, and a lower surface portion, and wherein the web extends along the upper surface portion, through the opening, and along the lower surface portion; anda cam member rotatably coupled to the frame, wherein the cam member extends along a central axis and includes a cam surface portion having a plurality of protrusions, wherein the cam surface portion is eccentrically oriented relative to the central axis, and wherein the cam member is rotatable to move an individual protrusion toward the horizontal surface portion to engage the web and restrict movement of the web. 16. The restraint system of claim 15 wherein the plurality of protrusions are shaped to clear debris from the web when there is relative motion between the web and the plurality of protrusions while the web and the plurality of protrusions are in contact. 17. The restraint system of claim 15 wherein the plurality of protrusions extend away from the central axis and are angled in a rotational direction. 18. The restraint system of claim 15, further comprising a handle coupled to the cam member, wherein the handle is operable to rotate the cam member to release a tension in the web. 19. The restraint system of claim 18, further comprising a strap operably coupled to the handle, wherein the strap is operable to rotate the cam member via the handle. 20. The restraint system of claim 15 wherein the cam member includes a bore extending along the central axis, wherein the web adjuster further comprises a shaft extending through the bore and a biasing member positioned within the bore and encircling the shaft, wherein the cam member is rotatably coupled to the frame via the shaft, and wherein the biasing member biases the cam member to rotate in a direction that moves the individual protrusion toward the horizontal surface portion to engage the web and restrict movement of the web.
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