Work holders – Relatively movable jaws – With means to align coacting jaw faces
Patent
1998-06-15
2000-11-21
Smith, James G.
Work holders
Relatively movable jaws
With means to align coacting jaw faces
269900, 269901, 269212, B25B 102
Patent
active
061491454
ABSTRACT:
A workbench includes a base, a pair of beams disposed on top of the base and each having a number of holes, and two frames slidably engaged on the beams. A fixed platform is secured on the beams, and a slidable platform is secured on the frames for allowing the slidable platform to be moved along the beams. A positioning device is secured on the frame for engaging with the holes of the beams and for securing the frame and the slidable platform to the beams. The slidable platform may be easily and quickly moved along the beams when the positioning device is released.
REFERENCES:
patent: 4052046 (1977-10-01), Mortoly
patent: 4278243 (1981-07-01), Alessio
patent: 4909491 (1990-03-01), Cheng
patent: 5065989 (1991-11-01), Ho
patent: 5338016 (1994-08-01), Howard
patent: 5383977 (1995-01-01), Pearce
patent: 5924684 (1999-07-01), Cheng
Smith James G.
Wilson Lee
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