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US Patent: 3,257,878
Adjusting Ratcheting Wrench Having Rack Means For Immobilizing The Jaws
Patentee:
Alfred F. Andersen (exact or similar names) - Glen Mills, PA

USPTO Classifications:
81/141, 81/143, 81/147, 81/318, 81/391, D8/22

Tool Categories:
wrenches : wrench adjustment types : quick adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Jun. 03, 1964
Granted: Jun. 28, 1966

Patent Pictures: [ 1 | 2 ]
Alfred F. Andersen patent June 28, 1966 - image 1
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Description:
The quick adjustment and rack immobilizing design is shown applied to box and open end type adjustable wrenches. A pliers-handle type grip is incorporated into these designs.

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