Work holders – Plural holders to hold workpieces relative to each other – Workpieces parallel to each other
Reexamination Certificate
1999-05-11
2001-03-27
Smith, James G. (Department: 3723)
Work holders
Plural holders to hold workpieces relative to each other
Workpieces parallel to each other
C269S271000, C269S215000, C269S244000, C269S136000
Reexamination Certificate
active
06206354
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates generally to a vise, and more particularly to a vise having an automatic locating mechanism.
BACKGROUND OF THE INVENTION
The U.S. Pat. No. 5,374,040 discloses a vise which is composed of a rectangular base, two movable jaws, two transmission blocks, a control rod, a fixed jaw, a fitting tube, two end members, at least one elastic element, and a fastening block. Such a prior art vise as described above is limited in design in that the fastening block must be loosened each time when a work piece is to be worked on, and that the control rod is jutted out of the base, thereby causing a great deal of inconvenience to an operator.
SUMMARY OF THE INVENTION
The primary objective of the present invention is therefore to provide an improved vise free from the drawbacks of the prior art vise described above.
The objective, features and functions of the present invention will be readily understood upon a thoughtful deliberation of the following detailed description of the present invention with reference to the accompanying drawings.
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patent: 5458321 (1995-10-01), Durfee, Jr.
patent: 5893551 (1999-04-01), Cousins et al.
patent: 5984290 (1999-11-01), Durfee, Jr.
Browdy & Neimark
Smith James G.
Wilson Lee
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