Workpiece holder

Metal working – Plural diverse manufacturing apparatus including means for... – Separate tool stations for selective or successive operation...

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Details

291484S, 1984761, 279 1E, 279 1SG, 279102, 269 13, 19880314, B23Q 306, B23B 3110

Patent

active

045744610

ABSTRACT:
A workpiece holder module for handling annular seals comprising a retainer module, a motor positioned beneath the module and having a hollow drive shaft extending upwardly and drivingly into the bottom of the module, and an air supply structure including a hollow column fixedly and centrally positioned beneath the motor with its upper end rotatably and sealingly receiving the lower end of the hollow motor drive shaft. The retainer module includes an upwardly opening cup-shaped casing centrally receiving the upper end of the hollow motor drive shaft, a resilient retainer ring positioned on the upper annular edge of the casing sidewall, and a central plug member secured to the upper end of a central post portion upstanding from the base portion of the casing. The annular seal includes an outer metallic ring adapted to be frictionally retained within the resilient retainer ring and an inner elastomeric ring adapted to seat on the central plug member. The motor may be actuated to spin the retainer module and thereby the retained seal to facilitate a work operation on the seal, and pressurized air may be routed upwardly through the hollow column and through the hollow motor drive shaft where it acts against the bottom of an annular piston positioned around the central post of the casing to raise the piston and thereby upwardly eject the seal from the retainer module.

REFERENCES:
patent: 1802655 (1931-04-01), Kavle
patent: 2182799 (1939-12-01), Farr
patent: 2449161 (1948-09-01), Craig et al.
patent: 2719721 (1955-10-01), Grobey
patent: 2962153 (1960-11-01), Brodbeck
patent: 3096709 (1963-07-01), Eldred et al.
patent: 3147018 (1964-09-01), Reichert
patent: 3764127 (1973-10-01), Keller
patent: 3812949 (1974-05-01), Lush
patent: 4238875 (1980-12-01), Van Sickle

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