Title: Steering brake system for use in track-type vehicles

Abstract: Braking system for use in track-type vehicles. The system includes a steering brake, a brake cylinder in which an emergency brake piston and a spring for biassing the emergency brake piston to its braking position are provided. The emergency brake piston is operatively connected to the steering brake through a link mechanism and defines with the braking cylinder a hydraulic pressure receiving chamber connected to a hydraulic fluid supply source to maintain the emergency brake piston in its non-braking position against a biassing action of the spring in case of the normal condition of the vehicle. The link mechanism comes into contact with an auxiliary lever serving to move the emergency brake piston to its non-braking position.

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Inventors: Mita, Masazo (Hirakata, JA)
Nagatomo, Masatsugu (Katano, JA)

Application Number: 575227
Filing Date: 1975-05-07
Publication_date: 1976-08-17
Assignee: Kabushiki Kaisha Komatsu Seisakusho (Tokyo, JA)
Primary Class(es): 477/1 188/170, 303/2, 303/9, 303/13, 303/50, 303/71, 477/188
Other Classes:
US Patent Ref:

3031051	Apr, 1962	Huff	192/3.
3516525	Jun, 1970	Skaggs	188/170.
3837449	Sep, 1974	Drone	188/170.
3838624	Oct, 1974	Mita et al.	188/170.

Other Refs:
Primary Examiner: Blix, Trygve M.
Assistant Examiner: Butler, Douglas C.
Attorney: Armstrong, Nikaido & Wegner