Fixture block serving as a manufacturing accessory

Details Fixture block serving as a manufacturing accessory Fixture block serving as a manufacturing accessory

1975-02-20

1976-07-06

Smith, Al Lawrence

Work holders

Plural selectively used holders

269 86, 269 95, 269321A, B23Q 300

Patent

active

039678164

ABSTRACT:
The fixture block is adapted to be combined with further correspondingly designed accessories with the aid of which workpieces to be machined can be brought into proper position or orientation for the particular machining operation, such as planing, milling, drilling and the like, and maintained in such proper position or orientation during at least one working cycle. The fixture block has horizontal and vertical contact surfaces designed as aligned rows of coplanar projecting areas separated by machined rows of coplanar recessed areas. The block is an L-shape body having a vertical leg and a horizontal leg, with the length and width of each leg being equal to each other and to the length and width, respectively, of the other leg, and with the thickness of each leg being equal to one-half its length or width. All surfaces of the block are formed with a plurality of tapped bores, and with smooth untapped bores of different diameters which at least partly intersect each other within the block. The intersecting bores preferably are through bores, and at least one through bore extends, perpendicularly to the outer surface of each leg, from one of the projecting areas. The tapped holes serve for mounting of the correspondingly designed manufacturing accessories which complement the fixture block, and the through bores serve to receive auxiliary means for effecting mechanical, hydraulic, pneumatic, and/or electromagnetic clamping of workpieces to be machined.

REFERENCES:
patent: 2401054 (1946-05-01), Daley
patent: 2409936 (1946-10-01), Hunt
patent: 2471361 (1949-05-01), Trefz
patent: 2671366 (1954-03-01), Beusch
patent: 2816489 (1957-12-01), Robbins et al.
patent: 2887017 (1959-05-01), Lassy
patent: 3105330 (1963-10-01), Grage
patent: 3245678 (1966-04-01), Riehle

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