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US Patent: 2,997,903
Pliers With Self-Adjusting Toggle Means
Patentees:
Reiner Rommel (exact or similar names) - Allendorf, Kreis Marburg, Germany
Fritz Rommel (exact or similar names) - Allendorf, Kreis Marburg, Germany

USPTO Classifications:
81/368, 81/372, 81/379

Tool Categories:
wrenches : pliers type wrenches : locking pliers

Assignees:
None

Manufacturer:
Channellock - Meadville, PA

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 19, 1959
Granted: Aug. 29, 1961

Patent Pictures: [ 1 | 2 | 3 ]
Reiner and Fritz Rommel patent August 29, 1961
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Description:
A collar sliding on the "fixed" handle of the pliers forms the basis of the locking toggle. The "movable" handle has a lock-release lever. The tool is designed for one-handed operation. This patent is identified with the sliding collar on the GRIPLOCK No. 910 in a February 1966 ad. This patent together with 2,531,285 and 2,576,286 are cited on the Channellock 910 Grip-Lock locking pliers. Further aspects of the tool described in pat. nos. 3,545,315 and 3,545,316 closely match components of the production version.

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