US Patent: 616,019


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US Patent: 616,019

Wrench

Patentee:

Charles M. Ryder (exact or similar names) - South Chester, PA

USPTO Classifications:

81/125.1, 81/178

Tool Categories:

wrenches : wrench components : wrench jaw components

Assignees:

Charles M. Ryder - South Chester, PA

Charles Louis Ryder - South Chester, PA

Walter Earle Ryder - South Chester, PA

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Feb. 19, 1898
Granted:	Dec. 13, 1898

Patent Pictures:

Charles M. Ryder patent December 13, 1898

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Description:

The end sockets and movable piece are shaped and sized so that six pre-determined open end wrench sizes are accomplished depending on the placement of the movable piece. The movable piece is held in place by a spring-loaded catch.

The specifications say the parts can be made by drop forging.