Brake shoe pin and preassembled spring and cup assembly

Details Brake shoe pin and preassembled spring and cup assembly Brake shoe pin and preassembled spring and cup assembly

1996-01-22

1998-11-17

Poon, Peter M.

Brakes

Wheel

Transversely movable

188 78, F16D 5100

Patent

active

058364293

ABSTRACT:
A preassembled spring and cup assembly is used in a brake assembly. The spring and cup assembly includes a cup which is engaged against a spring. The cup has a slot therethrough through which a pin is passed to retain the pin with the cup and to retain the preassembled spring and cup assembly with the brake assembly. The cup further includes at least one indent in which the pin is releasably retained. The assembly further includes structure for retaining the spring in a compressed condition. The retaining structure is capable of being selectively released to allow the spring to expand. In a first embodiment, the retaining structure is an arm portion which is integrally formed with the spring and extends upwardly to the cup to engage the cup through an opening in the cup. The pin is used to release the retaining structure. In a second embodiment, a base stamping is provided which is attached to the second end of the spring. Arm portions extend upwardly from the base stamping to the cup and engage the cup. The cup is pressed on to compress the spring so as to allow the arm portions to move away from their engagement with the cup.

REFERENCES:
patent: 3795292 (1974-03-01), Keller, Jr.
patent: 5368139 (1994-11-01), Pirrallo et al.
Service Manual Labled 208.CHBK.
Photographs of Bendix Drum Hardware and CTA.RTM. Brake Spring Compressor.

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