TH94884A - Straddle vehicles - Google Patents

Abstract

DC60 [Problem]. To reduce the warping in the wheelbase and improve the stability of the running. [Workaround] The motorcycle will include a 109 pivot stem, supported by a 10 frame and 20 engine units, which are cranked upward and downward with a rear wheel 3 with a pivot point located at the pivot rod. 109 Crankshaft 34 will go ahead of engine unit 20 Engine unit 20 will have sustained assembly 22 in front of crankshaft 34 and attached to pivot rod 109 The rear part of engine unit 20 will support the shaft. 4 of the rear wheels 3 [selected drawing] Figure 2 [problem]. To reduce the warping in the wheelbase and improve the running stability. [Workaround] The motorcycle will include a 109 pivot stem, supported by a 10 frame and 20 engine units, which are cranked upward and downward with a rear wheel 3 with a pivot point located at the pivot rod. 109 Crankshaft 34 will be in front of engine unit 20, Engine 20 will have sustained assembly 22 in front of crankshaft 34 and attached to pivot rod 109, rear part of engine unit 20 will support shaft 4. Of the rear wheels 3 [selected drawing] Figure 2

Claims (1)

May 18, 2017 1. A straddling vehicle consisting of a chassis (10), a pivot rod (109) supported by the chassis (10), and an engine unit (20) connected to the rear wheels (3) and capable of swinging up and down at the pivot rod (109), where the engine unit (20) consists of a crankshaft (34) located in the front part of it and a supporting assembly (22) built on the engine unit (20), which is positioned in front of the crankshaft (34) and attached to the pivot rod (109), where the engine unit (20) extends backward from the supporting assembly (22) and the axle (4) of the rear wheels (3) is supported by the rear part of the engine unit (20). ----------------------------------------------------------------------------------------------------------- [Clause 1]. A straddling vehicle consisting of a chassis, a pivot rod supported by the chassis (10), and an engine unit (20) connected to the rear wheels (3) and capable of swinging up and down at the pivot rod (109), where the engine unit (20) extends backward at the supporting assembly (22), and the axle (4) of the rear wheels (3) is supported by the rear part of the engine unit (20). A wheel mounted at the rear of the vehicle body, and an engine unit consisting of an engine with a crankshaft and a transmission mechanism for transmitting the rotational force of the crankshaft to the rear wheels, and capable of upward and downward swinging with the rear wheels at the pivot point of the pivot rod, where the crankshaft is located at the front of the engine unit. The engine unit has a bracing assembly located in front of the crankshaft and attached to the pivot rod and extended towards the rear from the bracing assembly, and the rear axle of the wheel is supported by the rear of the engine unit [Clause 2]. A straddling vehicle according to Clause 1 where the bracing assembly is located at the front end of the engine unit [Clause 3]. A straddling vehicle according to Clause 1 where the bracing assembly attached to the pivot rod is at a level sufficient for upward and downward swinging. From the horizontal surface comprising the axle when the vehicle is running [Clause 4]. A straddled vehicle according to Clause 1 where a shock absorption unit reducing engine vibration is provided and the shock absorption unit is positioned so that it expands and contracts in the direction along the circumference of a circle enclosed around the pivot rod.