Actuator unit for controlling hydraulic pump

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10641389
APP PUB NO 20170307075A1
SERIAL NO

15650358

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An HST control mechanism includes a rotary member, a servo unit, a telescopic member, and a biasing device. The rotary member for controlling a displacement of a hydrostatic transmission (HST) is pivoted outside of a casing incorporating the HST. The servo unit includes a telescopically movable actuator and a valve controlling the telescopic movement of the actuator. The actuator is interlockingly connected to the rotary member. The servo unit is pivotally supported on the casing via a first pivot. The servo unit rotates centered on the first pivot as the rotary member rotates according to the telescopic movement of the actuator hydraulically controlled by the valve. The telescopic member is pivotally supported on the casing via a second pivot. The telescopic member is provided with the biasing device that biases the telescopic member and the rotary member toward a position corresponding to a neutral state of the HST.

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Patent Owner(s)

Patent OwnerAddress
KANZAKI KOKYUKOKI MFG CO LTDHYOGO 661-0981

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Iwaki, Koji Amagasaki, JP 69 453
Kamada, Minoru Amagasaki, JP 16 104
Kanenobu, Hideki Amagasaki, JP 23 250
Matsuura, Jun Amagasaki, JP 25 449
Sasahara, Kengo Amagasaki, JP 33 653
Tsuji, Tomoyuki Amagasaki, JP 20 85

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