Tools – Wrench – screwdriver – or driver therefor – Machine
Patent
1994-11-02
1995-12-12
Meislin, D. S.
Tools
Wrench, screwdriver, or driver therefor
Machine
81435, B25B 2304
Patent
active
054739659
ABSTRACT:
An automatic screw feeding mechanism includes a feed belt receiving unit including a hollow housing which is provided with a limiting unit that is connected releasably to a stop unit of a hollow casing. A feed belt extends into the housing. A retaining unit is adapted to engage the feed belt to align a first screw with a tool bit of an automatic screw driving device which is connected releasably to and which extends into the casing. A guide plate is connected to the housing and has a front end that is spaced apart from the housing and that is adapted to engage an operating surface. An elongated guide unit is received in the casing and is connected releasably to the housing. An actuating unit includes a seat member which is received in the casing and which is movable forward and rearward relative to the guide unit. The casing normally engages the seat member so as to enable the seat member to move synchronously therewith relative to the guide unit from an initial position to a second position, wherein the tool bit extends into the housing to drive rotatably the first screw into the operating surface when the casing is urged by the automatic screw driving device. The casing and the seat member are movable back to the initial position after the execution of the screw driving operation so that the retaining unit can align a second screw with the tool bit.
REFERENCES:
patent: 5138913 (1992-08-01), Chen
patent: 5284074 (1994-02-01), Chen
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