Lock for transmitter cylinder of hydraulic system

Details Lock for transmitter cylinder of hydraulic system Lock for transmitter cylinder of hydraulic system

1983-11-23

1985-07-30

Maslousky, Paul E.

Expansible chamber devices

With guide or seal on cylinder end portion for piston or...

Non-metallic seal means between piston or member and end...

92170, 403 20, 403326, F16J 1518, F16J 1002

Patent

active

045314527

ABSTRACT:
A transmitter cylinder is used in a hydraulic system and particularly the ake system of an automotive vehicle. To prevent undesired access into the transmitter cylinder, a lock part is installed at the pedal facing end of the cylinder. The lock part is an annulus. The pedal connected piston extends through the lock part and into the transmitter cylinder. The annular lock part is shaped so that its inner bore will guide and center the piston projecting into the cylinder. A locking element for holding the lock part in the cylinder bore is defined. It is either a radial projection from the lock part or it is a retaining ring held in a groove on the exterior of the lock part. In either case, the locking element projects into a groove defined in the interior of the cylinder bore, which retains the lock part in the cylinder bore against undesired extraction. The lock part may be a hollow annulus or a solid body. The lock part is appropriately configured to permit its extraction with appropriate tools.

REFERENCES:
patent: 2533531 (1950-12-01), Stephens
patent: 2799523 (1957-07-01), Parker
patent: 3490232 (1970-01-01), Baldwin
patent: 3730057 (1973-05-01), Friden
patent: 4242947 (1981-01-01), Renner et al.

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