Implements or apparatus for applying pushing or pulling force – Single throw lever and bar – Adjustable
Patent
1994-04-18
1996-02-06
Watson, Robert C.
Implements or apparatus for applying pushing or pulling force
Single throw lever and bar
Adjustable
B66F 300
Patent
active
054890837
ABSTRACT:
Provided is a multi-functional tool that includes two elongated bars. When the tool is in a push configuration, the bars are pivotally connected by a collar mechanism to define an obtuse angle between the bars, with each bar having a foot end extending from the obtuse angle. A force properly applied to the pivot point, for example, increases the magnitude of the obtuse angle thereby forcing the foot ends away from each other, whereby mechanical objects engaged by the foot ends are moved away from each other. When the tool is in a pull configuration, the two elongated bars are connected by the collar mechanism such that they are generally parallel and such that the foot ends thereof extend from the collar in the same general direction, with one foot end extending further from the collar than the other foot end. Each foot end is engaged to a mechanical object and the foot extending further from the collar is pivoted relative to the mechanical object it is engaging such that the bar from which the other foot end extends is tensioned, whereby the mechanical objects engaged by the foot ends are moved away from each other. Not only does the collar mechanism facilitate pivotal connection between the two elongated bars, but it also selectively facilitates translational adjustment between the two elongated bars.
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One-Hand Clamp-Phil McCafferty-Aug. 1989-p. 79.
Isaf Louis T.
Watson Robert C.
Witherspoon James A.
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