Hydraulic prestressing device for shear lever bolts

Details Hydraulic prestressing device for shear lever bolts Hydraulic prestressing device for shear lever bolts

1978-10-20

1980-02-05

Shedd, Wayne L.

Joints and connections

With adjunctive protector, broken parts retainer, repair,...

Utilizing fluid pressure

254124, 415159, F16D 100, F16L 1700, F16L 2900

Patent

active

041870328

ABSTRACT:
A hydraulic cylinder and piston mechanism which acts on opposing levers with a fulcrum bar interposed to prestress a shear lever bolt of a gate restraining mechanism of a hydraulic turbine without reacting on any other component.

REFERENCES:
patent: 2885919 (1959-05-01), Carlson
patent: 2953343 (1960-09-01), Heusner
patent: 3121941 (1964-02-01), Bellarts
patent: 3494592 (1970-02-01), Meschonat et al.
patent: 3820220 (1974-06-01), West

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