Socket driver spanner

Details Socket driver spanner Socket driver spanner

1987-02-03

1988-03-08

Schmidt, Frederick R.

Tools

Wrench, screwdriver, or driver therefor

Machine

811775, 81 581, B25B 1300

Patent

active

047292709

ABSTRACT:
A socket drive spanner having an outer tube and a conventional half inch square driver protruding therefrom. A spindle and an inner tube are located within the outer tube and the spindle is rotated by axially moving a rod which is perpendicular to the outer tube. The rod has a cable pulley system which wraps around the spindle, thereby rotating it, the inner tube the spindle and the half inch square driver are engaged together and rotate in unison. When the half inch square driver is disengaged from the inner tube, and locked into place the half-inch square driver is then stationary with respect to the outer tube and hence the spanner can then be used in a conventional manner.

REFERENCES:
patent: 3572188 (1971-03-01), Christian

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