US2023330475A1PendingUtilityA1

Crank for fitness equipment with self-locking mechanism

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Assignee: XIAMEN EVERE SPORTS GOODS CO LTDPriority: Apr 18, 2022Filed: Apr 18, 2022Published: Oct 19, 2023
Est. expiryApr 18, 2042(~15.7 yrs left)· nominal 20-yr term from priority
Inventors:Han-Sung Lin
A63B 22/0605A63B 21/4034A63B 2022/0611A63B 22/0046
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Claims

Abstract

A crank for fitness equipment with a self-locking mechanism is provided. A crank body is provided with an installation hole, an internal thread is disposed in the installation hole, and an anti-loosening ring embedding portion is disposed at an outer end of the installation hole. An anti-loosening ring is tightly fitted to the anti-loosening ring embedding portion. A screw rod of a pedal is screwed into the installation hole of the crank body, and passes through the anti-loosening ring tightly fitted in the installation hole.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A crank for fitness equipment with a self-locking mechanism, comprising:
 a crank body, provided with an installation hole, wherein an internal thread is provided in the installation hole, and an anti-loosening ring embedding portion is provided at an outer end of the installation hole;   an anti-loosening ring, tightly fitted to the anti-loosening ring embedding portion; and   a pedal, (comprises a screw rod, wherein the screw rod s screwed into the installation hole of the crank body, and passes through the anti-loosening ring tightly fitted in the installation hole.   
     
     
         2 . The crank for fitness equipment with the self-locking mechanism according to  claim 1 , wherein the anti-loosening ring is a metal anti-loosening ring or a plastic anti-loosening ring. 
     
     
         3 . The crank for fitness equipment with the self-locking mechanism according to  claim 2 , wherein the metal anti-loosening ring is riveted to the anti-loosening ring embedding portion in the installation hole of the crank body.

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