Wheel nut loosening and tightening hand tool

Tools – Wrench – screwdriver – or driver therefor – Machine

Patent

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Details

81 573, B25B 1700

Patent

active

051252970

ABSTRACT:
A hand tool for use in loosening and tightening the wheel nut comprises a main body, a first cover body, a first shaft bearing, a second cover body, a second shaft bearing, a first drive member, a second drive member, a transmission, and a positioning means. The first cover body and the second cover body serve to accommodate therein respectively a shaft bearing to support the first drive member and the second drive member so as to provide the hand tool with a speeding and torguing advantage. The positioning means consists of a set rod and a support rod, thereby providing the hand tool with to actuate the main body and the second drive member in order to overcome the situation in which a high speeding motion and a low torguing motion take place.

REFERENCES:
patent: 3992964 (1976-11-01), Osmond

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