Unfolding bolt tightening spanner

Details Unfolding bolt tightening spanner Unfolding bolt tightening spanner

1992-11-30

1994-02-08

Meislin, D. S.

Tools

Wrench, screwdriver, or driver therefor

Machine

81 5731, B25B 2100

Patent

active

052840719

ABSTRACT:
A spanner for tightening or loosening bolts which includes a handle a fixed section and an articulated section which makes it possible to be opened out in inaccessible locations. Two shafts extend in the handle, one making it possible to open out the articulated section and the other to turn a collet or socket. A transmission mechanism is used which include two gear trains extending into the fixed and articulated sections. The spanner is applicable for tightening and loosening bolts located in normally inaccessible locations.

REFERENCES:
patent: 2830479 (1958-04-01), Finn
patent: 3477318 (1969-11-01), Butten
patent: 3987691 (1976-10-01), Savage
patent: 4287795 (1981-09-01), Curtiss
patent: 4926699 (1990-05-01), Salce, Sr.

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