Device for slipping washers and like onto shanks of screws and t

Details Device for slipping washers and like onto shanks of screws and t Device for slipping washers and like onto shanks of screws and t

1982-09-13

1984-09-11

Combs, E. Michael

Metal working

Means to assemble or disassemble

Means to interrelatedly feed plural work parts from plural...

10155A, 29785, 29786, B23P 1908

Patent

active

044701942

ABSTRACT:
A device for slipping washers and like objects onto the shanks or stalks of screws and like articles comprises a couple of discs which are rotated integrally together. The top disc has peripheral hollow spaces to which the screws are fed to be conveyed at a certain angle hung by their heads. The bottom disc has vertical dowels arranged on a circumference having a radius equal to that of the circumference containing the axes of the hung screws. To a point of the periphery of the bottom disc washers are fed to enter an upward sloping circular channel. The dowels are passed through a central longitudinal slit of said circular channel in such a way that each screw may push a washer to ascend such channel in order that the washer may be slipped onto the stalk of the respective screw. Preferably, the washers are forcibly driven by a feeding mechanism into said circular channel and a safety system is provided to prevent a screw from being introduced into a hollow space of the top disc if the circular channel has not yet received a washer intended to be slipped onto the screw concerned.

REFERENCES:
patent: 2711550 (1955-06-01), Nielsen
patent: 2914781 (1959-12-01), Prutton
patent: 3114159 (1963-12-01), Yoshikawa
patent: 3212114 (1965-10-01), Pipes
patent: 3226744 (1966-01-01), Marechal et al.
patent: 3523316 (1970-08-01), Alexander
patent: 3568229 (1971-03-01), Moore et al.
patent: 3622039 (1971-11-01), Lindstrom
patent: 3948616 (1976-04-01), Gardner
patent: 4224729 (1980-09-01), Tarzian
patent: 4237605 (1980-12-01), Jung et al.
patent: 4309787 (1982-01-01), Lapohn

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