Work holders – Relatively movable jaws – Means for direct manual adjustment of jaw
Reexamination Certificate
2006-11-07
2006-11-07
Wilson, Lee D. (Department: 3723)
Work holders
Relatively movable jaws
Means for direct manual adjustment of jaw
C269S166000
Reexamination Certificate
active
07131643
ABSTRACT:
A clamping system including a fixed end and an adjustable end. Both ends having a support and a lock ring pivotally attached to the support. The lock ring has a bottom, top and two sides which together form a receiving area to receive lumber. The fixed end including a fixed face with a clamping surface extending from the support. The adjustable end has an adjustable face with a clamping surface slidably mounted to the support. The adjustable face being moveable along the support towards the fixed end to allow clamping between the clamping surface of the fixed end and the clamping surface of the adjustable end. The lock ring and support including teeth to engage the lumber.
REFERENCES:
patent: 319517 (1885-06-01), Sheldon
patent: 359942 (1887-03-01), Shaw
patent: 404368 (1889-05-01), Sterns
patent: 775659 (1904-11-01), Jorgensen
patent: 881530 (1908-03-01), Barker
patent: 1452164 (1923-04-01), Margelis
patent: 6554264 (2003-04-01), Alford
Elnitski, Jr. John J.
Wilson Lee D.
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