Ratchet screwdriver

Details Ratchet screwdriver Ratchet screwdriver

1998-04-10

1999-04-20

Eley, Timothy V.

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

81 64, B25B 1346

Patent

active

058947663

ABSTRACT:
A ratchet screwdriver has a handle portion, a connection rod connected to the handle portion, a joint sleeve disposed on the connection rod, a circular hole in the joint sleeve, a first volute spring disposed in the circular hole, a chuck sleeve having a hexagonal blind hole and a round hole, and a bit inserted in the hexagonal blind hole. A rotating device has a first end inserted in the circular hole and a second end inserted in the round hole. A compression spring encloses the rotating device. A first C-shaped clamp retainer encloses the joint sleeve. A second C-shaped clamp retainer encloses a first distal portion of the chuck sleeve. A third C-shaped clamp retainer encloses a second distal portion of the chuck sleeve. A second volute spring is disposed in the round hole.

REFERENCES:
patent: 1624530 (1927-04-01), Caruso
patent: 2406952 (1946-09-01), Jesepho

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