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US Patent: 1,910,838
Tool for Punching, Riveting, and Like Operations
Patentee:
John Jensen (exact or similar names) - Rockford, Winnebago County, IL

USPTO Classifications:
140/154, 30/191, 72/409.11, 72/409.12

Tool Categories:
metalworking tools : riveting tools
specialty tools : riveting tools
metalworking tools : metal punches

Assignees:
Whitney Metal Tool Co. - Rockford, Winnebago County, IL

Manufacturer:
Whitney Metal Tool Co. - Rockford, Winnebago County, IL

Witnesses:
Unknown

Patent Dates:
Applied: Jan. 12, 1931
Granted: May 23, 1933

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Roper Whitney, Inc.
Description:
This tool design had already been improved by the time it was issued; see patent 1,910,839.

Claim:

A tool of the character set forth, comprising in combination, a frame having a horizontally disposed arm, a tool slide mounted for up and down movement at the forward end of said arm, a lever operatively engaging said slide and disposed approximately at right angles to the path of movement thereof, said lever having a fulcrum adjacent the end engaging said slide, a, toggle linkage having one end connected to the remaining end of said lever and the other end adjustably supported in said frame, a substantially vertical lever fulcrumed on said frame and having a link connection with the intermediate pivot of said toggle linkage to actuate said first mentioned lever, and an adjustable stop positioned to be engaged by said first mentioned lever to limit the downward movement of said tool slide.

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