Bicycle pedal crank dismantling device

Details Bicycle pedal crank dismantling device Bicycle pedal crank dismantling device

1993-11-05

1994-06-14

Meislin, D. S.

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

81437, 7138, B25B 2300

Patent

active

053200055

ABSTRACT:
A bicycle pedal crank dismantling device includes a locating member which comprises an inner thread through the length, an outer thread on one end for threading into the axle mounting hole of the crank to be dismantled, and a hexagon head on an opposite end; a driving rod which comprises a screw rod on one end threaded into the inner thread of the locating member for permitting the locating member to be turned upwards along the screw rod to carry the crank away from the bottom bracket axle, a hexagonal rod on an opposite end for turning socket head crank lock screws, and a hexagonal collar in the middle for turning with a spanner; and a socket retained to the hexagon rod of the driving rod by a clamp for turning hexagon head crank lock screws.

REFERENCES:
patent: 4960017 (1990-10-01), Hsiao
patent: 5099726 (1992-03-01), Hsiao

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