US Patent: 1,382,851 - Adjustable Friction Wrench


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US Patent: 1,382,851

Adjustable Friction Wrench

Patentee:

Julius A. Pitsch (exact or similar names) - Los Angeles, CA

USPTO Classifications:

81/58.5

Tool Categories:

wrenches : ratchet wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Jun. 02, 1920
Granted:	Jun. 28, 1921

Patent Pictures:

Julius A. Pitsch patent June 28, 1921

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Description:

A circular block contains a worm-and-rack adjustable wrench head. The block is housed in a circular frame with a swinging handle. The end of the handle within the frame bears against the circular block to create a ratchet effect.