Drive mechanism for power ratchet wrench

Details Drive mechanism for power ratchet wrench Drive mechanism for power ratchet wrench

1978-01-11

1978-09-26

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Machine

B25B 1346

Patent

active

041160932

ABSTRACT:
The drive mechanism of a power ratchet wrench includes a rotary cam which engages a drive ball which in turn is engaged with a push rod for rotating the wrench socket. The push rod is formed with a spherical seat for engaging the drive ball and the cam includes an annular surface which is concavely curved to provide a seat for the drive ball. The drive ball reciprocates in an axial bore in the wrench housing.

REFERENCES:
patent: 2119968 (1938-06-01), Shaff
patent: 2264012 (1941-11-01), Wasson
patent: 3570331 (1971-03-01), Rogers

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