Tools – Wrench – screwdriver – or driver therefor – Machine
Patent
1997-07-25
1999-05-18
Scherbel, David A.
Tools
Wrench, screwdriver, or driver therefor
Machine
81 5737, B25B23/06
Patent
active
059040793
ABSTRACT:
A screw feeding device in a continuous screw driving tool includes a casing mounted on a tool body of the continuous screw driving tool. A feeder box is reciprocally movable within the casing and a ratchet arm is reciprocally pivotable as the feeder box is reciprocally moved. An intermediate gear is connected to the ratchet arm by mechanism of a one-way clutch and is rotatable by a predetermined angle as the ratchet arm is pivoted in one direction. A ratchet wheel has feeding claws engageable with a screw carrying belt and has a gear part engaged with the intermediate gear, so that the ratchet wheel is rotated in a feeding direction as the intermediate gear is rotated and that the screw carrying belt is fed by a distance of one pitch of screws carried by the screw carrying belt for each reciprocal movement of the feeder box.
REFERENCES:
patent: 4059034 (1977-11-01), Hornung
patent: 4428261 (1984-01-01), Takatsu et al.
patent: 5083483 (1992-01-01), Takagi
patent: 5341706 (1994-08-01), Takagi
patent: 5687624 (1997-11-01), Tsuge et al.
Tsuge Kazunori
Ukai Tomohiro
Makita Corporation
Scherbel David A.
Wilson Lee
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