Tools – Wrench – screwdriver – or driver therefor – Machine
Patent
1991-10-01
1993-08-31
Meislin, D. S.
Tools
Wrench, screwdriver, or driver therefor
Machine
81433, 227 48, B25B 2306
Patent
active
052399001
ABSTRACT:
An apparatus for feeding a plurality of associated screws to an associated power screwdriver having a chuck. The apparatus includes a main body that includes a shaft dimensioned and configured to engage the chuck of the associated power screwdriver. The main body also includes a bit and apparatus for holding the bit and transmitting rotational energy from the shaft to the bit. The apparatus also includes a magazine dimensioned and configured to receive a plurality of associated screws disposed with the respective axes thereof in substantially coplanar relationship. The apparatus also includes apparatus for detachably connecting the magazine to the main body and a pickup assembly including a spring apparatus for gripping associated screws on opposed sides of the associated screws and apparatus for pivoting the spring apparatus between a first position proximate to the magazine and a second position proximate to the bit. In some forms of the invention the apparatus for pivoting includes at least one generally arcuate member. The generally arcuate member may be dimensioned and configured to cause pivotal motion of the pickup assembly responsive to a force urging one of the associated screws into an associated workpiece. In some embodiments the magazine includes an elongated channel and a first and in some cases a second channel member having a plurality of teeth. In some cases the teeth on the channel members extend into the elongated channel.
REFERENCES:
patent: 2689589 (1954-09-01), Allen et al.
patent: 3438411 (1969-04-01), Rech
patent: 4278194 (1981-07-01), Ergoy
patent: 4428261 (1984-01-01), Takatsu et al.
patent: 4495841 (1985-01-01), Mori et al.
patent: 4602537 (1986-07-01), Dixon
Meislin D. S.
Smith Robert S.
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