Crawler tractor

Details Crawler tractor Crawler tractor

2006-01-24

2006-01-24

Novosad, Christopher J. (Department: 3671)

Motor vehicles

Steering by driving

Independently operable drive motors

C180S006700, C180S307000, C180S367000, C180S378000, C180S400000, C060S490000, C074S730100, C074S473160, C477S068000, C477S111000, C475S083000, C172S047000, C172S292000

Reexamination Certificate

active

06988571

ABSTRACT:
The purpose of the invention is to enable a crawler tractor to brake and stop certainly without applying a load to an engine and a driving mechanism, and without complicated operation. An operation link links a conic linkage (53) which links a steering wheel (7) with a main speed change lever (55) of the crawler tractor, and with an operation mechanism of a brake pedal (54). A neutral return mechanism for the operation link is provided. The operation link neutral return mechanism comprises a hook-like cam lever (61). When the brake pedal is depressed, the main speed change lever is moved to its neutral position before braking force occurs, and then, the brake is actuated. Accordingly, engine brake is used effectively, and the brake can be miniaturized.

REFERENCES:
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International Search Report issued Jul. 9, 2002 for Appln. No. PCT/JP02/03361, 3 pages.

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