Screwdriver including a handle with an O-ring therein for retain

Details Screwdriver including a handle with an O-ring therein for retain Screwdriver including a handle with an O-ring therein for retain

1993-06-18

1994-08-09

Rosenbaum, Mark

Metal working

Method of mechanical manufacture

Assembling or joining

29521, 29525, 81438, B23P 1102, B25B 2300

Patent

active

053354095

ABSTRACT:
A screwdriver is provided with a handle including an insert and an O-ring wherein the O-ring is positioned between the insert and a shoulder in the opening into the handle. A bit is held in the handle by the O-ring. A method of assembly is provided wherein an O-ring and an insert member are positioned around a shaft of a bit and then the bit is inserted into a handle, followed by the O-ring and the insert. The bit is removed from the handle leaving the O-ring positioned between the insert and a shoulder of the handle, for subsequent receipt of the same end of the bit, another end of the bit, or a different bit.

REFERENCES:
patent: 772593 (1904-10-01), Wagner
patent: 2158728 (1939-05-01), Peters
patent: 3455355 (1969-07-01), McLogan et al
patent: 4096896 (1978-06-01), Engel
patent: 4404874 (1983-09-01), Lieser
patent: 4535658 (1985-08-01), Molinari
Enderes Tool Company catalog, 16 pages, dated Jul. 1, 1986.
Enderes Tool Company catalog, front cover, pp. 1-4, and back cover, dated Jun. 1, 1993.
Enderes Tool Company sell sheet, 2 pages, dated Nov., 1985.
Handyway Tools catalog, cover page, pp. 2-3, and back cover, dated 1986.
Vermont American catalog, 2 cover pages, pp. 90-109, and back cover, dated Apr., 1992.
Vermont American sell sheet, 2 pages, dated 1992.
Two photographs of a Channel Lock 4' n 1.TM. combination screwdriver, designation "MX-41".

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