Tension device for tightening and loosening bolts or pins

Details Tension device for tightening and loosening bolts or pins Tension device for tightening and loosening bolts or pins

1986-11-04

1989-02-07

Wilson, Neill

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Externally threaded fastener element, e.g., bolt, screw, etc.

Multipart

411434, 411535, F16B 3502, F16B 3708

Patent

active

048028061

ABSTRACT:
Tension device for tightening and loosening bolts or pins, formed by a body having at least one jack (40) equipped with a piston (25). Each jack (40) is associated with at least two bolts or pins (3) placed next to one another for simultaneous tightening or loosening.

REFERENCES:
patent: 2934968 (1960-05-01), Neumann et al.

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