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US Patent: 1,488,759
Pliers and Wrench
Patentee:
Edward M. Loftus (exact or similar names) - St. Paul, MN

USPTO Classifications:
81/331, 81/339

Tool Categories:
pliers

Assignees:
None

Manufacturer:
Unknown

Witnesses:
none listed

Patent Dates:
Applied: Oct. 27, 1922
Granted: Apr. 01, 1924

Patent Pictures: [ 1 | 2 | 3 ]
Edward M. Loftus patent April 1, 1924
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Description:
The underlying concept is a latch to hold size adjustment against back pressure to prevent the grip from slipping.

Improvement to the design in patent nos. 1,398,904 and 1,418,312 which modifies the shape of the swinging cam, and provides for alternate faces for the cam to better hold when the "wrench" function is selected.

Corresponds with a pliers marked PEERLESS - ST. PAUL- PAT'D.

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