Ball ramp caliper brake

Details Ball ramp caliper brake Ball ramp caliper brake

2006-05-09

2006-05-09

Torres, Melanie (Department: 3683)

Brakes

Vehicle

Railway

C188S166000, C188S072200, C188S073450

Reexamination Certificate

active

07040462

ABSTRACT:
A brake (10) for a wheel of a vehicle is slidably mounted to a vehicle frame by mounting sleeves (22). The brake (10) includes a stationary actuator (20) which has a plurality of depressions (38) adapted to receive a plurality of balls (40). The stationary actuator (20) further has a pin hole (34) which receives a pin (36) which correspondingly defines a pivot axis (50). Adjacent to the stationary actuator (20) is a rotating actuator (66) which rotates about an axis (50) and includes a plurality of depressions (78) which are axially aligned with the depressions (38) while in an un actuated state. The brake (10) is actuated by rotation of the rotating actuator (66) which correspondingly moves the balls (40) to progressively more shallow portions of the depressions (38, 78) which acts upon a washer (82) and one or more shims (86) to force a first stator (16) and a second stator (18) together and into contact with a rotor (12). The stators (16, 18) are biased apart by the bridge springs (90) and are axially located by a pair of bridge sleeves (30) such that the axes of the bridge sleeves (30) are coplanar with the axis (50).

REFERENCES:
patent: 3266602 (1966-08-01), Fritz et al.
patent: 3743060 (1973-07-01), Hendrickson
patent: 5038895 (1991-08-01), Evans
patent: 5060765 (1991-10-01), Meyer
patent: 5101939 (1992-04-01), Sheridan
patent: 5219048 (1993-06-01), Shaw et al.
patent: 5647459 (1997-07-01), Buckley et al.
patent: 6250438 (2001-06-01), Chern
patent: 6374958 (2002-04-01), Usui et al.
Brochure—Model MI15WM for 10 Inch Wheels, Hayes Brake LLC, Mequon, Wisconsin, 1 page (undated).
Drawing No. 32800 of Ausco Products, Inc., Benton Harbor, Michigan, 1 sheet (undated).
Drawing No. 75190 of Ausco Products, Inc., Benton Harbor, Michigan, 1 sheet (undated).
Drawing No. 31777 of Ausco Products, Inc., Benton Harbor, Michigan, 1 sheet (undated).
Drawing No. 26807 of Ausco Products, Inc., Benton Harbor, Michigan, 1 sheet (undated).

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