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US Patent: 436,647
Wrench
Improved Ratchet-Hub Wrench
Patentee:
David V. Cash (exact or similar names) - Johnson City, TN

USPTO Classifications:
192/43.1, 81/63

Tool Categories:
wrenches : ratchet wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Fred G. Dieterich
Jos. A. Ryan
T. E. Hurst
Bn. Penland, Jr.

Patent Dates:
Applied: Jul. 21, 1890
Granted: Sep. 16, 1890

Patent Pictures:
David V. Cash patent September 16, 1890
USPTO (New site tip)
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Description:
This is a large-scale ratchet for bridge and railroad construction work. The ratchet teeth on the socket are in pairs facing both directions. The pawl has teeth facing both directions as well, and is shifted from one side to the other. Springs on either side of the frame can be positioned to hold the pawl in engagement with the ratchet teeth.

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