Fluid-pressure and analogous brake systems – Multiple systems – Fluid pressure and electric
Reexamination Certificate
2008-05-27
2008-05-27
Torres, Melanie (Department: 3683)
Fluid-pressure and analogous brake systems
Multiple systems
Fluid pressure and electric
C303S015000
Reexamination Certificate
active
10510205
ABSTRACT:
A brake system for a mobile work tool, such as for a logging machine or a combined dredger-loader, is disclosed. The mobile work tool is provided with two non-muscular brake valves for brake actuation which may be operated by the driver in accordance with the orientation in the driver's cab—for instance during road travel and when the driver's direction of view is to the rear. In accordance with the invention, a tank port of a non-muscular brake valve is connected with the brake port of the second non-muscular brake valve, so that the first non-muscular brake valve is connected via the tank port of the second non-muscular brake valve with the pressure medium tank, and upon actuation of the second non-muscular brake valve the generated braking pressure is supplied via the tank port of the first non-muscular brake valve into the latter, so that the brake ports thereof are correspondingly subjected to braking pressure.
REFERENCES:
patent: 5281007 (1994-01-01), Brainard
patent: 38 23 108 (1989-03-01), None
patent: 43 22 634 (1995-01-01), None
patent: 1 201 523 (2002-05-01), None
patent: A 9-142271 (1997-06-01), None
patent: WO 01/30625 (2001-05-01), None
RD 66 144/03.95; 1-Kreis-Fremdkraftbremsventil Typ LT 05, Serie 2X, Mannesmann Rexroth, pp. 5-7. Was published at least prior to the date of Apr. 19, 2002.
RD 66 146/03.95; 2-Kreis-Fremdkraftbremsventil Typ LT 07; Serie 2X, Mannesmann Rexroth, pp. 8-10. Was published at least prior to the date of Apr. 19, 2002.
Bosch Rexroth AG
Torres Melanie
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