A tracked vehicle has a frame, a straddle seat connected to the frame, an engine, a pair of slide rails, at least two idler wheels, at least one drive sprocket, and a drive track The drive track has an endless belt, a plurality of external and internal lug, at least a number of the plurality of inte
A tracked vehicle has a frame, a straddle seat connected to the frame, an engine, a pair of slide rails, at least two idler wheels, at least one drive sprocket, and a drive track The drive track has an endless belt, a plurality of external and internal lug, at least a number of the plurality of internal lugs forming two outer longitudinal rows, the belt having at least two contact surfaces, each contact surface being a surface where a corresponding one of the at least two idler wheels is in contact with the belt, a plurality of apertures and a plurality of alignment cleats disposed between the two outer longitudinal rows, and a plurality of lateral rods embedded within the belt and extending in the lateral direction. Both ends of at least a number of the plurality of lateral rods being disposed inwardly of the contact surfaces.
대표청구항▼
1. A tracked vehicle comprising: a frame;a straddle seat connected to the frame;an engine mounted on an engine cradle portion of the frame;a pair of slide rails connected to a bottom of the frame;at least two idler wheels;at least one drive sprocket operatively connected to the engine;a drive track
1. A tracked vehicle comprising: a frame;a straddle seat connected to the frame;an engine mounted on an engine cradle portion of the frame;a pair of slide rails connected to a bottom of the frame;at least two idler wheels;at least one drive sprocket operatively connected to the engine;a drive track operatively connected to the at least one drive sprocket for propelling the tracked vehicle, the drive track comprising: an endless belt having an inner side and an outer side, the belt having a longitudinal direction and a lateral direction, the belt having two lateral sides;a plurality of external lugs distributed on the outer side of the belt, the plurality of external lugs being adapted to be in contact with a ground;a plurality of internal lugs distributed on the inner side of the belt, the plurality of internal lugs being at least partially in contact with the at least one drive sprocket, at least a number of the plurality of internal lugs forming two outer longitudinal rows, the two outer longitudinal rows being disposed near to a corresponding one of the two lateral sides of the belt, the belt having at least two contact surfaces, each contact surface being a surface where a corresponding one of the at least two idler wheels is in contact with the belt;a plurality of apertures disposed between the two outer longitudinal rows;a plurality of alignment cleats disposed between the two outer longitudinal rows, the plurality of alignment cleats forming two cleat longitudinal rows, the slide rails contacting the plurality of alignment cleats; anda plurality of lateral rods embedded within the belt, each of the plurality of lateral rods extending in the lateral direction, both ends of at least a number of the plurality of lateral rods being disposed inwardly of the contact surfaces. 2. The tracked vehicle of claim 1, wherein regions of the belt outwardly of the contact surfaces are deprived of the plurality of internal lugs. 3. The tracked vehicle of claim 1, wherein the plurality of lateral rods is embedded in the belt between the inner side and the outer side of the belt. 4. The tracked vehicle of claim 1, wherein each end of each of the plurality of lateral rods is laterally aligned with a corresponding one of the outer longitudinal rows. 5. The tracked vehicle of claim 1, wherein the outer longitudinal rows of internal lugs each have an outer edge, and each end of at least the number of the plurality of lateral rods is laterally aligned with a corresponding one of the outer edges. 6. The tracked vehicle of claim 1, wherein each of the at least two idler wheels is connected to a rear of a corresponding one of the slide rails. 7. The tracked vehicle of claim 1, wherein: the plurality of apertures form two aperture longitudinal rows;each one of the two cleat longitudinal rows being laterally aligned with a corresponding one of the two aperture longitudinal rows;for each one of the two aperture longitudinal rows, belt portions of the belt extend longitudinally between pairs of apertures of the aperture longitudinal row; andfor each one of the two cleat longitudinal rows, alignment cleats of the cleat longitudinal row extend across every second belt portion extending longitudinally between each pair of apertures of the corresponding one of the two aperture longitudinal rows. 8. The tracked vehicle of claim 1, wherein the vehicle is a snowmobile, the snowmobile having at least one ski connected to the frame, the at least one ski being disposed forward of the drive track.
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이 특허에 인용된 특허 (10)
Dehnert Douglas K. (St. Hilaire MN), Drive belt assembly for snowmobiles.
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