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US 7,472,890 B2Granted
Fastener for strap
OwnerHan-Ching Huanginventor
Life of this patent
Estimating the term…
Abstract
A fastener includes a frame, a collar connected to the frame and a reel inserted through the collar and the frame. A strap can be reeled in and reeled out when the reel is rotated in a direction and an opposite direction. A first switching device is provided between the reel and the collar so that the first switching device is operable to switch the reel between a reel-out mode and a reel-in mode. A second switching device is provided between the reel and the frame so that the second switching device is operable to switch the reel between a reel-in mode and a reel-out mode.
Claims20
A fastener comprising:
- a frame including a first wall and a second wall spaced from the first wall;
- a collar connected to the first wall of the frame with the first wall intermediate the collar and the second wall;
- a reel inserted through and rotatable relative to the collar and the first and second walls of the frame so that a strap located between the first and second walls of the frame can be reeled in and reeled out when the reel is rotated in a direction and an opposite direction;
- a first switching device provided between the reel and the collar so that the first switching device is operable to switch the reel between a reel-out mode and a reel-in mode;
- and
- a second switching device provided between the reel and the frame so that the second switching device is operable to switch the reel between a reel-in mode and a reel-out mode, with the second wall intermediate the second switching device and the first wall.
3 more elements
A fastener comprising:
- a frame;
- a collar connected to the frame;
- a reel inserted through the collar and the frame so that a strap can be reeled in and reeled out when the reel is rotated in a direction and an opposite direction;
- a first switching device provided between the reel and the collar so that the first switching device is operable to switch the reel between a reel-out mode and a reel-in mode;
- and
- a second switching device provided between the reel and the frame so that the second switching device is operable to switch the reel between a reel-in mode and a reel-out mode, wherein the reel comprises a series of teeth, and the first switching device comprises a detent movable between the reel and the collar and formed with a first group of teeth engaged with the teeth of the reel in the reel-out mode and a second group of teeth engaged with the teeth of the reel in the reel-in mode.
3 more elements
A fastener comprising:
- a frame;
- a collar connected to the frame;
- a reel inserted through the collar and the frame so that a strap can be reeled in and reeled out when the reel is rotated in a direction and an opposite direction;
- a first switching device provided between the reel and the collar so that the first switching device is operable to switch the reel between a reel-out mode and a reel-in mode;
- and
- a second switching device provided between the reel and the frame so that the second switching device is operable to switch the reel between a reel-in mode and a reel-out mode, wherein the second switching device comprises:
- a toothed wheel connected to the reel and formed with a series of teeth;
- and
- a detent provided between the reel and the collar and formed with a first end engaged with the teeth of the toothed wheel in the reel-in mode and a second end engaged with the teeth of the toothed wheel in the reel-out mode.
6 more elements
Dependencies are inferred from the claim text.