Work holders – With product discharge facilitator
Patent
1993-03-08
1994-09-27
Watson, Robert C.
Work holders
With product discharge facilitator
269 41, 269 43, 269 45, 269 82, 269909, 292813, B23P 1900
Patent
active
053501624
ABSTRACT:
A jig for assembling a rebar pier cage wherein certain of the individual jig elements are laterally and longitudinally adjustable to provide a jig capable of assembling rebar pier cages of various sizes and shapes. The jig elements comprise a plurality of rebar stirrup retaining elements removably secured within longitudinal openings in first and second, elongated channel bars which traverse a rectangular work surface in parallel relationship. Opposite ends of the first and second channel bars are slidingly secured within longitudinal openings of third and fourth channel bars which laterally span the opposite, shorter edges of the work surface. Means are provided to adjust the longitudinal spacing between each stirrup retaining element in the first and second channel bars, and also the lateral spacing between the first and second channel bars. The work surface is pivotally connected to a table frame whereby the work surface may be moved between horizontal and vertical positions with respect to the table frame and floor.
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patent: 4154436 (1979-05-01), Sellers
patent: 4922598 (1990-05-01), Pouyer
patent: 5234204 (1993-08-01), Hunt
McGuire Katherine
Watson Robert C.
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