US Patent: 404,167 - Carriage Jack


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US Patent: 404,167

Carriage Jack

Patentee:

Edward F. Burtis (exact or similar names) - Sacramento, CA

USPTO Classifications:

254/32, 81/121.1

Tool Categories:

wrenches : axle nut wrenches : axle nut wrench combination tools

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Geo. H. Strong

S. H. Nourse

H. C. Lee

Patent Dates:
Applied:	Dec. 04, 1888
Granted:	May 28, 1889

Patent Pictures:

Edward F. Burtis patent May 28, 1889

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Description:

The socket wrench for the axle nut is mounted on a swivel. As it is retracted toward the handle, the tapered face of the arm that lifts the axle end tips the socket up to retain the nut.