Multi-functional tool head

Details Multi-functional tool head Multi-functional tool head

2007-04-10

2007-04-10

Meislin, D. S. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

C081S177850, C279S079000

Reexamination Certificate

active

11220193

ABSTRACT:
A multi-functional tool head comprises a supporting unit having a polygonal shape; an end of the supporting unit being installed with a receiving seat recess for receiving an opener head; a penetrating hole being formed in the annular trench; the penetrating hole being communicated to the receiving seat recess; a buckle capable of being inserted into the penetrating hole; one end of the buckle being bent inwards so as to form with a resisting portion for inserting into the penetrating hole. If a screw opener head is used, the opener head can be inserted into the supporting unit; the buckle will resist against the opener head so as to combine the opener head to the supporting unit. If the present invention is to be used with a socket, the socket sleeves around the polygonal supporting unit; and the part of the buckle exposed from the annular trench will buckle the socket.

REFERENCES:
patent: 386263 (1888-07-01), Pedersen
patent: 985135 (1911-02-01), Bigelow
patent: 1433163 (1922-10-01), Walters
patent: 1814274 (1931-07-01), Williamson
patent: 2805594 (1957-09-01), Fogel
patent: 4266453 (1981-05-01), Farley
patent: 6363819 (2002-04-01), Li
patent: 6840143 (2005-01-01), Lin
patent: 6860178 (2005-03-01), Wang
patent: 2004/0255732 (2004-12-01), Lin
patent: 2006/0191384 (2006-08-01), Dougherty

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