Automatic screw feeding mechanism for an automatic screw driving

Details Automatic screw feeding mechanism for an automatic screw driving Automatic screw feeding mechanism for an automatic screw driving

1991-09-24

1992-08-18

Kisliuk, Bruce M.

Tools

Wrench, screwdriver, or driver therefor

Machine

81 5737, B25B 2304

Patent

active

051389134

ABSTRACT:
An automatic screw feeding mechanism includes a connector plate mounted on a rear open end of a hollow casing. The connector plate has a central opening to receive one end of an automtic screw driving device. A guide member has a front end extending out of a front open end of the casing, to be placed against an operating surface. The casing is slidably mounted on the guide member. An axial seat is provided in the guide member and defines an axial opening that is aligned with the central opening of the connector plate. The axial seat has a ratchet wheel rotatably provided on one side thereof. A feed belt extends into the guide member in front of the axial seat. The ratchet wheel engages the feed belt so as to align a first screw of the feed belt with the axial opening. A spring connects the axial seat and the connector plate. The spring is compressed when the casing is urged by the screw driving device to move from an initial position to a second position, wherein the tool bit extends into the axial opening to rotatably drive the first screw into the operating surface. The ratchet wheel is rotated by a predetermined angular rotation when the casing moves back to the initial position after a screw driving operation so that the ratchet wheel can align a second screw with the axial opening.

REFERENCES:
patent: 4428261 (1984-01-01), Takatsu et al.
patent: 4581964 (1986-04-01), Takatsuru
patent: 5083483 (1992-01-01), Takagi

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