Rusty Ratchet
by Laurie Tsemak
Title
Rusty Ratchet
Artist
Laurie Tsemak
Medium
Photograph - Photograph
Description
This is a ratchet – a mechanical device that transmits intermittent motion or permits a shaft to rotate in one direction but not in the opposite one. Reversible ratchets are used on socket wrench handles and are convenient for tightening or loosening bolts in positions where a complete revolution of a wrench handle is impossible. They are used in mechanical jacks to lock the jack rod after each successive lift. There … don’t you feel that your knowledge of tools has just ratcheted up?
Uploaded
June 27th, 2014
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