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US 7,451,587 B2Granted
Mower tractor
AssigneeYanmar Co., Ltd.
InventorsToshitaka Komiya, Toshihiko Ibe, Takatoshi Meno
Life of this patent
Estimating the term…
Abstract
A mower tractor (1) comprises: a mid-mount mower (5) under a middle bottom portion thereof between front wheels (2;2) and rear wheels (3;3); a body frame (8); a transmission casing (24) having an input shaft (58) disposed laterally eccentrically in the body frame (8); an engine (23) having an output shaft (55); a propeller shaft (14) and universal joints (27) interposed between the output shaft (55) of the engine (23) and the input shaft (58) of the transmission casing (24); and a device (60) for restricting height of the mower (5) disposed between the propeller shaft and the body frame.
Claims19
A mower tractor, comprising:
- a mid-mount mower under a middle bottom portion thereof between front wheels and rear wheels;
- a body frame;
- a transmission casing having an input shaft disposed laterally eccentrically in the body frame;
- an engine having an output shaft;
- a propeller shaft interposed between the output shaft of the engine and the input shaft of the transmission casing;
- a height restricting device for restricting height of the mower disposed between the propeller shaft and the body frame and in front of said transmission casing;
- a lifting device disposed at a rear portion of the body frame behind the transmission casing;
- and
- a connection member disposed on one of left and right sides of the transmission casing so as to connect the lifting device to the height restricting device, wherein the height restricting device is disposed laterally opposite to the connection member with respect to the propeller shaft.
6 more elements
A mower tractor comprising:
- a mid-mount mower under a middle bottom portion thereof between front wheels and rear wheels;
- a body frame;
- a transmission casing having an input shaft disposed laterally eccentrically in the body frame;
- an engine having an output shaft;
- a propeller shaft interposed between the output shaft of the engine and the input shaft of the transmission casing;
- a height restricting device for restricting height of the mower disposed between the propeller shaft and the body frame and in front of said transmission casing;
- a lifting device disposed at a rear portion of the body frame behind the transmission casing;
- and
- a connection member disposed on one of left and right sides of the transmission casing so as to connect the lifting device to the height restricting device, wherein a speed controlling link member connected to the transmission casing is disposed laterally opposite to the connection member with respect to the propeller shaft.
6 more elements
A mower tractor, comprising:
- a mid-mount mower under a middle bottom portion thereof between front wheels and rear wheels;
- a body frame;
- a transmission casing having an input shaft disposed laterally eccentrically in the body frame;
- an engine having an output shaft;
- a propeller shaft interposed between the output shaft of the engine and the input shaft of the transmission casing;
- a height restricting device for restricting height of the mower disposed between the engine and the transmission casing and in front of said transmission casing;
- a lifting device disposed at a rear portion of the body frame behind the transmission casing;
- and
- a connection member disposed on one of left and right sides of the transmission casing so as to connect the lifting device to the height restricting device, wherein the height restricting device is disposed laterally opposite to the connection member with respect to the propeller shaft.
6 more elements
A mower tractor comprising:
- a mid-mount mower under a middle bottom portion thereof between front wheels and rear wheels;
- a body frame;
- a transmission casing having an input shaft disposed laterally eccentrically in the body frame;
- an engine having an output shaft;
- a propeller shaft interposed between the output shaft of the engine and the input shaft of the transmission casing;
- a height restricting device for restricting height of the mower disposed between the engine and the transmission casing and in front of said transmission casing;
- a lifting device disposed at a rear portion of the body frame behind the transmission casing;
- and
- a connection member disposed on one of left and right sides of the transmission casing so as to connect the lifting device to the height restricting device wherein a speed controlling link member connected to the transmission casing is disposed laterally opposite to the connection member with respect to the propeller shaft.
6 more elements
Dependencies are inferred from the claim text.