Back to results
US 5,401,216 AGranted
Belt tightening device
AssigneeElephant Chain Block Company Limited
InventorMasaru Fujikawa
Life of this patent
Estimating the term…
Abstract
A belt tightening device, wherein a basic end of a first belt located at one lengthwise side of the belt tightening device is fixed to a windup shaft driven by operating an operating lever, a wind-in member and a fixed rod are provided at the other lengthwise side of the same, and a belt length adjusting mechanism is provided which adjusts a length of a second belt located at the other lengthwise side a main body of the belt tightening device and can fix the second belt in the position where the length has been adjusted.
Claims8
A belt tightening device comprising:
- a) a main body of said belt tightening device,
- b) a first belt having a basic end portion disposed at one lengthwise side of said main body and an utmost end having hook means and a second belt having a basic end portion disposed at the other lengthwise side of said main body and having an utmost end having hook means;
- c) a winding shaft rotatably supported at one lengthwise side of said main body for winding up said first belt and provided with an operating lever for driving said windup shaft;
- d) fixing means for fixing the basic end portion of said first belt to said windup shaft;
- e) a belt length adjusting mechanism having a wind-in member supported by the other lengthwise side of said main body so as to be displaceable back and forth lengthwise of said main body and having the periphery onto which the basic end portion of said second belt is wound halfway thereof, and a fixed rod positioned in front of, and opposed to said wind-in member, and fixedly sandwiching said second belt between said fixed rod and the periphery of said wind-in member;
- said belt length adjusting mechanism adjusting a belt length of said second belt, and thereafter said operating lever operating to drive said windup shaft, so that said first belt fixed at the basic end thereof of said windup shaft is wound to tighten cargoes.
3 more elements
Dependencies are inferred from the claim text.