Elongated-member-driving apparatus – With interlock means
Patent
1991-11-29
1993-01-19
Watts, Douglas D.
Elongated-member-driving apparatus
With interlock means
227120, 227130, B25C 104
Patent
active
051800918
ABSTRACT:
A nailing machine includes a driver guide mounted on a body. A driver is provided and is reciprocally movable within a nail guide channel formed within the driver guide. A nail magazine is mounted on the driver guide and includes therein a nail storing channel in communication with the nail guide channel. A pusher is disposed within the nail storing channel for pressing nails stored therein toward the nail guide channel. The pusher is movable within the nail storing channel according to the amount of nails stored within the nail storing channel. A trigger is mounted on the body and is operably by an operator to move between a starting position for actuating the drive device of the driver and a stopping position for stopping the same. A stopper is connected with the trigger and is movable between a first position corresponding to the starting position of the trigger and a second position corresponding to the stopping position. An engaging member is disposed within the nail magazine and is movable with the pusher. The engaging member is engageable with the stopper positioned at the second position so as to prevent movement of the trigger from the second position to the first position when the amount of the nails stored within nail storing channel is less than a predetermined amount.
REFERENCES:
patent: 3464614 (1969-09-01), Volkmann
patent: 3498517 (1970-03-01), Novak
patent: 3563438 (1971-02-01), Doyle et al.
patent: 3606128 (1971-09-01), Cast et al.
patent: 3615049 (1971-10-01), Obergfell et al.
patent: 4197974 (1980-04-01), Morton et al.
patent: 4463888 (1984-08-01), Geist et al.
Makita Corporation
Smith Scott A.
Watts Douglas D.
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