US Patent: 78,775 - Improvement in Clevis-Iron


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US Patent: 78,775

Plow Clevis
Improvement in Clevis-Iron

Patentee:

Thomas P. Warren (exact or similar names) - Norfolk, VA

USPTO Classifications:

278/96.2, 83/404.1, 83/720

Tool Categories:

agricultural : clevises

wrenches : auxiliary wrenches

Assignees:

D. W. Warren - Norfolk, VA

Manufacturer:

Not known to have been produced

Witnesses:

Wm. A. Swank

Wm. H. Wales

Patent Dates:
Granted:	Jun. 09, 1868

Patent Pictures:

Patent 78,775 -- edited image

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Description:

The clevis is comprised of a bent rod, flat plate with holes, a clamping bolt which may include a wrench shaped head, and other secondary pieces. The intent is provide a clevis that can be adjusted for "land," plow depth, etc. and tha would work on plows, cultivators and similar tillage equipment.