Nailer

Details Nailer Nailer

1978-06-12

1980-04-15

McQuade, John

Elongated-member-driving apparatus

With interlock means

227120, 227130, B25C 104

Patent

active

041979745

ABSTRACT:
A nailer for repeatively driving nails one at a time into material. A safety yoke including an integral safety yoke lever cams against a safety yoke pin in the body of the nailer and actuates a secondary trigger pivotally mounted in a trigger. The secondary trigger actuates a valve plunger in a trigger valve assembly releasing the air over a poppet assembly, causing downward movement of a pneumatic piston assembly carrying a driver blade driving a nail held in a channel guide of a nose into the material. A plurality of tabs on the nose mechanically engage and frictionally lock a nail magazine to the nose. A scroll spring assembly affixes to the nose and biases a pusher in an adjacent track of the magazine towards the nose. A safety yoke detent biased away from the nose moves forwardly into a detent notch in the safety yoke by the pusher when the supply of nails remaining in the magazine reaches a predetermined number.

REFERENCES:
patent: 3099837 (1963-08-01), Heilman et al.
patent: 3194324 (1965-07-01), Langas
patent: 3353737 (1967-11-01), Howard et al.
patent: 3615049 (1971-10-01), Obergfell et al.
patent: 3858781 (1975-01-01), Obergfell et al.

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