US 4,828,069 A · Motorcycle

Abstract

A motorcycle [1; 50] having a front wheel [23] and a rear wheel [5] includes a motorcycle body [4, 2] including an engine [2], the engine [2] having an engine body [6] and a cylinder [6] disposed on a rear portion of the engine body [6] to define a space [S] forwardly of the cylinder [7] and forwardly and upwardly of the engine body [6]. Upper and lower front swing arms [19, 20] extend horizontally and forwardly from the motorcycle body [4, 2] substantially parallel to each other, the front wheel [23] being operatively supported on front portions of the upper and lower front swing arms [19, 20]. The upper and lower front swing arms [19, 20] have rear portions [19a, 19b, 20a, 20b] pivotally mounted on the motorcycle body [4, 2] for vertical swinging movement with respect thereto. The rear portions [19a, 19b] of the upper front swing arm [19] are pivotally mounted on the motorcycle body [4, 2] within the space [S]. The rear portions [20a, 20b] of at least one of the upper and lower front swing arms [19, 20] are angularly movably mounted on a support shaft [22] extending transversely of the motorcycle, each of the opposite ends of the support shaft [22] being sandwiched between a portion [21] of the motorcycle body [4, 2] having an upper surface [41, 42] and a holder [43] attached to the upper surface [41, 42] of the portion [21].

Claims13

Dependent claims

A motorcycle having a front wheel and a rear wheel, comprising:

a motorcycle body, said motorcycle body including a engine;
said engine havig an engine body and at least one cylinder disposed on a rear portion of said engine body to define a space forwardly of said cylinder, upwardly of said engine body rearwardly of a front end of said body and below an upper surface of said cylinder;
upper and lower front swing arms extending horizontally and forwardly from said motorcycle body substantially parallel to each other, said front wheel being operatively supported on front portions of said upper and lower front swing arms, each of said upper and lower front swing arms having at least one rear portion pivotally mounted on said motorcycle body for vertical swinging movement with respect thereto;
and
said at least one rear portion of said upper front swing arm being pivotally mounted on said motorcycle body within said space.

2 more elements

Dependencies are inferred from the claim text.

Motorcycle

Life of this patent

Motorcycle

Life of this patent

Abstract

Claims13