Disc brake with gear driven adjusting piston

Details Disc brake with gear driven adjusting piston Disc brake with gear driven adjusting piston

1996-11-12

1998-08-18

Oberleitner, Robert J.

Brakes

Wheel

Axially movable brake element or housing therefor

188196BA, 188 729, F16D 5516, F16D 6556

Patent

active

057947384

ABSTRACT:
A gear driven adjusting system adjusts the position of adjusting pistons and a load plate in a disc brake. A gear toothed section is mounted to selectably rotate with the eccentric of the disc brake system. Clearance between the eccentric and the gear toothed sector allows some rotation of the eccentric without corresponding rotation of the gear toothed section. Thus, clearance is provided between the friction material and the brake drum in a non-braking position. The gear tooth connection provides a positive drive to the adjustment system and also predictability in the amount of adjustment. An over-torque clutch is positioned in the transmission between the gear toothed section and an adjustment gear. The over-torque connection insures there will not be too much adjustment of the adjusting piston.

REFERENCES:
patent: 4167989 (1979-09-01), Meyer
patent: 4615417 (1986-10-01), Schneider et al.
patent: 4678065 (1987-07-01), Erben et al.
patent: 5123505 (1992-06-01), Antony
patent: 5379567 (1995-01-01), Macke et al.
patent: 5449052 (1995-09-01), Macke et al.
patent: 5582273 (1996-12-01), Baumgartner et al.

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