RATCHET MECHANISM
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United States of America Patent
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N/A
Issued Date -
Apr 20, 2006
app pub date -
Mar 1, 2005
filing date -
Oct 15, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A linkage method and apparatus for linking a support frame and a pawl axle in a tie-down tool used on vehicles. The linkage includes an interface between a support frame and pawl axle, with the pawl axle inserted through the support frame, with the pawl fitted on the pawl axle and located on the outside of the support frame, with the pawl axle being a pin axle with a larger diameter head portion. The head portion of the pawl axle is located on the inside of the support frame, with a fastening mechanism at the outer end of the pawl axle to prevent the pawl from falling off the axle. The linkage between the support frame and pawl axle simplifies the manufacturing process through elimination of a welding step due to inserting the pawl axle inside-out through the support frame, and the use of a fastening device at the end of the pawl axle to prevent the pawl from falling off the axle. The secure connection between the two improves the safety and reliability of the ratchet during use, sustains a larger reaction force for the operation, and improves the useful life of the ratchet.
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