Split-tip screwdriver with protective sleeve

Details Split-tip screwdriver with protective sleeve Split-tip screwdriver with protective sleeve

2005-12-13

2005-12-13

Meislin, Debra S (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

C081S447000

Reexamination Certificate

active

06973860

ABSTRACT:
The present invention relates to an improved split-tip screwdriver. The split-tip screwdriver of the present invention prevents the movable sleeve from detaching from the remainder of the screwdriver by incorporating a retention rim on both the sleeve and the handle. The split-tip screwdriver also provides an extended portion on the sleeve that covers the elongated members and insulates the elongated members when the sleeve is extended from the handle to minimize the possibility of a user inadvertently being shocked by electricity conducted through the elongated members.

REFERENCES:
patent: 1275810 (1918-08-01), White
patent: 1432054 (1922-10-01), Cuff
patent: 1758945 (1928-11-01), Grube
patent: 1797390 (1931-03-01), Wood
patent: 2058197 (1936-10-01), West
patent: 2445383 (1948-07-01), Barlow
patent: 2576454 (1951-11-01), Gearhart
patent: 3120251 (1964-02-01), York
patent: 3224479 (1965-12-01), Osborn et al.
patent: 3604487 (1971-09-01), Gilbert
patent: 3900057 (1975-08-01), Benitz
patent: 4078593 (1978-03-01), Benitz
patent: 4542667 (1985-09-01), Jang
Kedman Company advertisement for Quick Wedge, 1990.

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