Automatic application hand brake winding mechanism

Brakes – Vehicle – Railway

Reexamination Certificate

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Details

C188S107000, C303S013000

Reexamination Certificate

active

06902042

ABSTRACT:
An automatic application hand brake mechanism is provided for automatically applying at least one brake member secured to a railway vehicle with the hand brake assembly. The mechanism comprises an operating member having at least one ratchet engageable with at least one gear of the hand brake assembly for operating the gear assembly in a direction which will cause an application of the at least one brake member. The apparatus also includes an application cylinder and a drive arm extending from an end thereof having a first portion which is connected to the operating member. The drive arm is capable of reciprocating with respect to the application cylinder upon the application of a force thereto to supply a predetermined pressure to the operating member to cause an automatic application of the at least one brake member.

REFERENCES:
patent: 2940554 (1960-06-01), Cameron
patent: 4978178 (1990-12-01), Engle
patent: 5794739 (1998-08-01), Ring et al.
patent: 6039158 (2000-03-01), Fox et al.
patent: 1 127 770 (2001-08-01), None
patent: 1 177 964 (2002-02-01), None
patent: 872 098 (1961-07-01), None

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