Hydraulic braking system particularly useful in human powered ve

Details Hydraulic braking system particularly useful in human powered ve Hydraulic braking system particularly useful in human powered ve

1987-02-20

1988-08-02

Reger, Duane A.

Brakes

Internal-resistance motion retarder

Using a rotary-type fluid damper

188 16, F16D 5706

Patent

active

047609010

ABSTRACT:
A hydraulic braking system for braking a driven device, particularly a human powered vehicle, comprises a hydraulic pump, a clutch coupling the hydraulic pump to the driven device when the clutch is actuated, a hydraulic circuit for a liquid including a flow restrictor restricting the flow of the liquid therethrough, and a hydraulic connection from the pump to the hydraulic circuit. This arrangement is such that, when the clutch is actuated to couple the pump to the driven device, the flow restrictor imposes a hydraulic load on the driven device thereby braking it. The clutch is a jaw clutch including friction surfaces normally spaced apart but brought together, upon the actuation of the clutch actuator, before the jaws are brought into engagement with each other, to start the driven jaw to rotate before it moves into engagement with the driving jaw.

REFERENCES:
patent: 575936 (1897-01-01), Roso
patent: 2083951 (1937-06-01), Guthoff et al.
patent: 2087638 (1937-07-01), Clark
patent: 2179540 (1939-11-01), Burdick
patent: 2271273 (1942-01-01), Mueller
patent: 2681713 (1954-06-01), Chambers
patent: 3155197 (1964-11-01), Lee et al.
patent: 3505908 (1970-04-01), Herrmann
patent: 4456310 (1984-06-01), Hayashi et al.
patent: 4653613 (1987-03-01), Blancas

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