Handling: hand and hoist-line implements – Article carrier gripped and carried by hand – Convertible to – or useable as – different device or different...
Patent
1975-06-06
1976-10-12
Werner, Frank E.
Handling: hand and hoist-line implements
Article carrier gripped and carried by hand
Convertible to, or useable as, different device or different...
294106, B25B 2310
Patent
active
039852407
ABSTRACT:
A screw is blown through a flexible tube and into the jaws of a transfer mechanism 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 unique means 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: 3279045 (1966-10-01), Dixon
patent: 3583451 (1971-06-01), Dixon et al.
patent: 3771669 (1973-11-01), Maggioni
patent: 3783491 (1974-01-01), Meitz
Dixon, trustee Babette
Werner Frank E.
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