Bolt tightening tool

Details Bolt tightening tool Bolt tightening tool

1987-07-22

1989-06-06

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Machine

403330, B25B 1700

Patent

active

048360635

ABSTRACT:
A bolt tightening tool for tightening a nut onto a bolt which comprises an outer sleeve having a nut receiving bore and an engaging groove; an inner sleeve axially movably mounted within the outer sleeve and having a tip receiving bore; and a stopper tiltably disposed in the inner sleeve. The stopper has one end projectable into the tip receiving bore of the inner sleeve and the other end projectable into the engaging groove of the outer sleeve. When a tip is fitted into the tip receiving bore, the tip pushes the stopper to tiltingly move the latter away from the engaging groove, permitting the inner sleeve to retract axially and rendering a nut fittable in the nut receiving bore of the outer sleeve.

REFERENCES:
patent: 4367971 (1983-01-01), Coren
patent: 4403529 (1983-09-01), Ikeda
patent: 4422794 (1983-12-01), Deken
patent: 4503736 (1985-03-01), Fushiya
patent: 4565112 (1986-01-01), Fujita

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