Extendable aluminum bar clamp

Details Extendable aluminum bar clamp Extendable aluminum bar clamp

2006-10-03

2006-10-03

Wilson, Lee D. (Department: 3723)

Work holders

Relatively movable jaws

With separate positioning means for each of jaw pair

C269S006000, C269S003000

Reexamination Certificate

active

07114715

ABSTRACT:
A bar clamp including a first bar member and a second bar member with the second bar member telescoping out from the first bar member. A securing mechanism, such as a pin in the first member, releasably secures the members together at a preferred telescoping position. The second bar member has a jaw member that can be advanced or retracted by means of a linear actuator and the first bar member has a jaw member that can be adjusted by positioning the cam-action locking mechanism in one of the notches disposed along the length of the first bar member. As a result of the telescoping relationship of the bar members, workpieces of varying sizes may be clamped between the jaw members without the need of multiple bar clamps of varying lengths.

REFERENCES:
patent: 1583611 (1926-05-01), Seely
patent: 3220691 (1965-11-01), Dudley
patent: 5064178 (1991-11-01), Nimtz
patent: 6089556 (2000-07-01), Whiteford
patent: 6530565 (2003-03-01), Simpson
patent: 6554264 (2003-04-01), Alford
patent: 6708966 (2004-03-01), Troudt

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