Fail safe brake for drive shafts

Details Fail safe brake for drive shafts Fail safe brake for drive shafts

1982-08-02

1984-09-11

Stoner, Jr., Bruce H.

Brakes

Operators

Spring

188367, 188 723, 188 724, F16D 6524, F16D 6526

Patent

active

044704879

ABSTRACT:
A fail safe brake for a power operated drive shaft comprises a cylinder mounting spaced bearings. A flywheel sleeve is journaled through the bearings and is keyed to the drive shaft and includes a radial flywheel. A brake pad mount is axially supported within the cylinder and mounts a brake pad normally spaced from the flywheel and adapted for movement into operative frictional engagement with the flywheel under the action of a plurality of compressed springs. A brake pad actuator responsive to pressure fluid is mounted within the cylinder and engages the brake pad mount. Pressure fluid when applied to the cylinder acts on the brake pad actuator to retract the brake pad mount against the springs. The brake pad is adapted to operatively move against the flywheel on interruption of the pressure fluid.

REFERENCES:
patent: 2345952 (1944-04-01), Smith
patent: 2359516 (1944-10-01), Frank
patent: 2799374 (1957-07-01), Salome et al.
patent: 3559772 (1971-02-01), Gromka
patent: 4057297 (1977-11-01), Beck et al.

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