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US 7,305,909 B2Granted
Adjustable wrenches
OwnerRobert Arthur Bollingerinventor
Life of this patent
Estimating the term…
Abstract
The present application is directed to adjustable wrenches. In one embodiment, the open-ended wrench includes a head with a opening sized to receive workpieces. One or more shims are attached in an adjustable manner within the opening to alter the width of the wrench.
Claims11
An adjustable wrench comprising:
- an elongated handle;
- a head connected to the handle and including a opening formed between a first and a second opposing sidewall and a third sidewall;
- a first shim pivotally mounted to the head and positioned within the opening, the first shim movable between a first position against the first sidewall and a second position at the third sidewall;
- a second shim pivotally mounted to the head and positioned within the opening, the second shim movable between a first position against the second sidewall and a second position at the third sidewall;
- and
- the first shim and the second shim oriented in an overlapping arrangement at the third sidewall in a third position.
3 more elements
An adjustable wrench comprising:
- a head;
- a opening positioned within the head and including a first and second opposing sidewalls and a lower sidewall, the opening having an open end opposite from the lower sidewall;
- a first shim pivotally connected within the opening and movable from the first sidewall to the lower sidewall;
- a second shim pivotally connected within the opening and movable from the second sidewall to the lower sidewall, the second shim including a different thickness than the first shim;
- the opening being adjustable between a first width with both the first shim and the second shims positioned at the lower sidewall, a second width with the first shim positioned at the first sidewall and the second shim positioned at the lower sidewall, a third width with the second shim positioned at the second sidewall and the first shim positioned at the lower sidewall and a fourth width with the first shim positioned at the first sidewall and the second shim positioned at the second sidewall;
- wherein each of the first, second, third, and fourth widths are different;
- and
- wherein the first and second shims are in an overlapping arrangement when both are positioned at the lower sidewall.
5 more elements
Dependencies are inferred from the claim text.