Apparatus for pneumatically delivering parts

Details Apparatus for pneumatically delivering parts Apparatus for pneumatically delivering parts

1975-06-06

1977-01-11

Reeves, Robert B.

Article dispensing

With discharge assistant

Article adhering or gripping type

221225, 221278, 302 2R, 214 1BB, 214 1BE, B65G 5102

Patent

active

040022650

ABSTRACT:
A screw is blown through a flexible tube and into the jaws of a transfer hanism which is associated with a hand-held screw driving gun. Thereafter, the jaws are advanced to deliver the screw into telescoping relation with a retractible tubular finder which surrounds the driving bit of the gun, the jaws holding the screw during initial driving of the screw and then returning to receive another screw from the tube. The machine includes a unique transfer system for (a) placing the screw into and blowing the screw through the tube, (b) advancing and returning the jaws along different paths to enable the jaws to place the screw in the finder while holding and maintaining control over the screw during initial driving, (c) momentarily retracting the finder during advance of the jaws to enable the screw to be telescoped with the finder, (d) automatically controlling the advance and return of the jaws in response to extension and retraction of the finder, and (e) controlling opening and closing of the jaws to enable the jaws to tightly grip the screw during its delivery while still holding the screw during initial driving.

REFERENCES:
patent: 2059546 (1936-11-01), Brandenburg
patent: 2544165 (1951-03-01), Krasnow
patent: 2785400 (1957-03-01), McIlvin et al.
patent: 3757995 (1973-09-01), Armstrong

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