Work holders – Relatively movable jaws – With means to fasten holder to support
Patent
1989-01-05
1990-06-05
Hartman, Judy
Work holders
Relatively movable jaws
With means to fasten holder to support
269134, 269137, 269163, 269256, B25B 100
Patent
active
049307606
ABSTRACT:
A multiple chucking device is disclosed, which is suitable in particular for clamping in grooves of a machine table. The device includes a clamping block, at least one clamping piece, and an end block which are mounted on a pair of guide axles. The clamping block is rigidly supported on the pair of guide axles, and the clamping pieces and the end piece are adjustable in a longitudinally displaceable manner, and may be secured by locking screws that engage the axles. The clamping piece and the end block are equipped with a clamping jaw in the form of a wedge collet, and with a support housing a recess, in which an obliquely downwardly extending tightening screw is located. The screw is tightened by the wedge collet so as to engage and clamp a workpiece. The clamping block, the clamping pieces, and the end block have clamping surfaces extending on both sides in the axial direction, so that the chucking unit may also be secured by clamping shackles acting on the clamping surfaces, with the aid of clamping elements and the T blocks sliding in the grooves of the table.
REFERENCES:
patent: 2511843 (1950-06-01), Graether
patent: 2662433 (1953-12-01), Braun
patent: 4066250 (1978-01-01), Campbell
patent: 4241906 (1980-12-01), Cole
patent: 4341375 (1982-07-01), Romanin
patent: 4445678 (1984-05-01), George
patent: 4653740 (1987-03-01), Meissner
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