Woodworking – Work guide – Work held by corner or diagonal work
Patent
1990-04-13
1991-01-22
Bray, W. Donald
Woodworking
Work guide
Work held by corner or diagonal work
33613, 33813, 33831, 33838, 834671, 269315, B27B 3100
Patent
active
049863231
ABSTRACT:
Apparatus, having a principal body portion which is in the form of a box-like configuration, and a screw member threadably engaged into a port in the face of the body portion. The screw member includes a four flat sided body portion on its end, with a portion of the body portion threaded to threadably engage into the body of the apparatus. There is further included a spring loaded second screw member on a second face of the body meeting said perpendicular to the setting of the first screw, so that the end portion of the spring loaded second screw makes contact with the four flat sided body of the principal screw member. The four flat sided body is so calibrated so that as one complete turn of the principal screw is made, the screw either moves inward or outward 1/16 of an inch. Furthermore, each time one of the four flat faces of the body is moved to make contact with the second screw member, the screw has moved in or out a distance of 1/64 of an inch.
REFERENCES:
patent: 2560850 (1951-07-01), Day
patent: 2986737 (1961-06-01), Chafin
patent: 4030718 (1977-06-01), Philipoff
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