Screwdriver having a retractable and flexible shank

Details Screwdriver having a retractable and flexible shank Screwdriver having a retractable and flexible shank

1998-11-19

2000-04-04

Scherbel, David A.

Tools

Wrench, screwdriver, or driver therefor

Handle or shank

811772, B25B 2316

Patent

active

060447338

ABSTRACT:
A screwdriver includes a handle and a shank retractably received in the handle, the shank having a flexible section and a bit removably attached to the distal end thereof. A tube securely extends from the handle and a second spring is mounted to the tube with a ball movably received in a passage radially defined through the tube. The shank has two annular grooves respectively defined on the outside thereof. A sleeve is movably mounted on the tube and has a recess defined in the inside thereof. The shank can be extended from the handle by pulling the sleeve toward the handle to release the ball from one of the two annular grooves and drop in the recess of the sleeve.

REFERENCES:
patent: 2796101 (1957-06-01), Hasemann et al.
patent: 2963930 (1960-12-01), Clothier et al.
patent: 4102375 (1978-07-01), Rossini
patent: 5732606 (1998-03-01), Chiang

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