Metal working – Means to assemble or disassemble – Means to interrelatedly feed plural work parts from plural...
Patent
1979-03-02
1980-12-09
Combs, Ervin M.
Metal working
Means to assemble or disassemble
Means to interrelatedly feed plural work parts from plural...
10155A, 29785, 29786, B23P 1908
Patent
active
042376050
ABSTRACT:
A machine for assembling washers on headed screw blanks, comprises a turntable having peripheral recesses into which the washers are inserted. Elevators in the form of vertically swinging arms are mounted on the turntable about the periphery thereof, extending generally radially of the turntable, and are cam controlled to swing vertically relative to the turntable. In their upwardly swung position, recesses in the outer ends of the arms receive screw blanks beneath the heads thereof, the arms then swinging downwardly to insert the screw blanks in the washers that are in alignment below the screw blanks on the turntable. At the discharge side of the turntable, a slideway is provided for complete assemblies; but incomplete assemblies are detected and are disassembled with the parts returned to storage. Incomplete assemblies are diverted along a pair of spaced horizontal rails that extend tangentially of the turntable and have opposed grooves that receive the washers, the heads of the screws riding on the upper surfaces of these rails. The slideway for the complete assemblies is horizontally swingable, under control of a detector of incomplete assemblies, into vertical registry over the pair of rails, whereupon the incomplete assembly is dropped from the slideway onto the rails, the rail grooves terminating sooner than the upper surfaces of the rails, so that the washers drop off the incomplete assemblies before the screw blanks drop from the rails, thereby to separate the washers from the screw blanks of the incomplete assemblies.
REFERENCES:
patent: 2914781 (1959-12-01), Prutton
patent: 3100307 (1963-08-01), Hatherell et al.
patent: 3225370 (1965-12-01), Pipes
patent: 3226744 (1966-01-01), Marechal et al.
patent: 3523316 (1970-08-01), Alexander
patent: 3750206 (1973-08-01), Pomernacki
patent: 4058866 (1977-11-01), Foster
Jung Clemens
Wiesel Ernst
Combs Ervin M.
E. W. Menn KG Maschinenfabrik
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