Impact wrench structure

Details Impact wrench structure Impact wrench structure

2000-02-23

2000-09-19

Smith, Scott A.

Tool driving or impacting

Impacting devices

With anvil arranged to transmit torsional impact to tool

173 935, 173176, B23Q 500, B25B 1500

Patent

active

061197947

ABSTRACT:
Disclosed herein is an improved impact wrench structure comprising a reversible motor, a motor bracket, a hammer, driven wheel, a sealing adaptor, a transmission shaft, a clutch plate, two coil springs, and a set pin. The impact wrench according to the present invention has an improved largely simplified structure for facilitating manufacturing process and low cost, also is usable for replacing a flat tire on the way of driving by utilizing automobile power supply in stead of dragging the automobile to a repair shop for replacing the flat tire.

REFERENCES:
patent: 5379851 (1995-01-01), Huang
patent: 5435398 (1995-07-01), Juan
patent: 5740892 (1998-04-01), Huang
patent: 5887666 (1999-03-01), Chen et al.
patent: 5915484 (1999-06-01), Hsieh
patent: 5941319 (1999-08-01), Juan

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