Torque multiplier wrench

Details Torque multiplier wrench Torque multiplier wrench

1987-10-19

1988-07-12

Schmidt, Frederick R.

Tools

Wrench, screwdriver, or driver therefor

Machine

81 5724, 81 573, 811244, 29240, B25B 1700

Patent

active

047562153

ABSTRACT:
Improved torque multiplier wrench for installing or removing retaining bolts, nuts and the like from rotatable objects such as the flywheel on the shaft of an automobile engine. The tool is fitted near one end with a portion adapted for torqueing engagement with the head of the bolt, nut or other removable object, and is further fitted near the other end with a toothed rotatable member adapted for engagement with a surface at or near the rim of the flywheel or the like. By turning the toothed rotatable member while it is in engagement with the flywheel or similar member, motion of the adjacent end wrench is made to occur, thus imparting torque to the opposite end that is in engagement with the bolt, nut or similar object.

REFERENCES:
patent: 1824300 (1931-09-01), Rowland
patent: 2979943 (1961-04-01), Gualtieri
patent: 4063475 (1977-12-01), Perkins
patent: 4212196 (1980-07-01), Krieger et al.
patent: 4274310 (1981-06-01), Michaud
patent: 4446762 (1984-05-01), Junkers
patent: 4549438 (1985-10-01), Grabovac
patent: 4665756 (1987-05-01), Snyder

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