Tensioning apparatus for strap
First Claim
Patent Images
1. A tensioning apparatus comprising:
- a frame;
a shaft rotatably installed on the frame;
two ratchet wheels connected to proximal and distal ends of the shaft respectively and rotatable with the shaft concurrently;
a handle including two cams each having a first end and a second end opposite to the first end, with the second ends of the two cams connected to the proximal and distal ends of the shaft respectively, the handle further including a gripping portion connected between the first ends of the two cams;
a detent movably installed on the handle between an operative position in engagement with the ratchet wheels in order to rotate the shaft and an idle position away from the ratchet wheels;
a reeling device rotatably installed on the handle and disposed between the gripping portion and the detent; and
a strap inserted through the shaft and including first and second portions extending in opposite directions, with the first portion adapted to be wound onto the shaft and the second portion adapted to be wound onto the reeling device.
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Abstract
A tensioning apparatus is adapted to tension a strap. The tensioning apparatus includes a frame and a shaft rotatably installed on the frame. The strap is inserted through the shaft and includes first and second portions extending in opposite directions. A handle is pivotally connected to the frame and is operable to rotate the shaft and wind the strap on the shaft thereafter. The tensioning apparatus also include a reeling device and the second portion of the strap is adapted to be received and wound onto the reeling device.
32 Citations
10 Claims
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1. A tensioning apparatus comprising:
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a frame; a shaft rotatably installed on the frame; two ratchet wheels connected to proximal and distal ends of the shaft respectively and rotatable with the shaft concurrently; a handle including two cams each having a first end and a second end opposite to the first end, with the second ends of the two cams connected to the proximal and distal ends of the shaft respectively, the handle further including a gripping portion connected between the first ends of the two cams; a detent movably installed on the handle between an operative position in engagement with the ratchet wheels in order to rotate the shaft and an idle position away from the ratchet wheels; a reeling device rotatably installed on the handle and disposed between the gripping portion and the detent; and a strap inserted through the shaft and including first and second portions extending in opposite directions, with the first portion adapted to be wound onto the shaft and the second portion adapted to be wound onto the reeling device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification