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US 4,723,621 AGranted
Motorcycle
AssigneeHonda Giken Kogyo Kabushiki Kaisha
InventorsAkio Kawano, Kenji Honma, Tsutomu Sakuma
Life of this patent
Estimating the term…
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AssigneeHonda Giken Kogyo Kabushiki Kaisha
InventorsAkio Kawano, Kenji Honma, Tsutomu Sakuma
Estimating the term…
A motorcycle [1; 101; 201] includes an engine unit [2] disposed centrally in the motorcycle [1; 101; 201], front swing arms [14, 18] having rear ends operatively connected to the engine unit [2] for vertical swinging movement, with a steering arm [26] which supports a front wheel [15] being attached to the front ends of the front swing arms [14, 18], and a rear swing arm [33] supporting a rear wheel [34] on a rear end thereof and having a front end operatively connected to the engine unit [2[ for vertical swinging movement. The motorcycle [1; 101; 201] further includes a front subframe [5; 205] detachably mounted on a front portion of the engine unit [2], the rear ends of the front swing arms [14, 18] being pivotally coupled to the front subframe for vertical swinging movement. The motorcycle [101] further includes a support frame [110] attached to the front subframe [5] and supporting a steering post [8], the support frame [110] having an air cleaner case [113]. The motorcycle [201] further includes a rear subframe [206] detachably mounted on a rear portion of the engine unit [2], the front end of the rear swing arm [33] being pivotally coupled to the rear subframe for vertical swinging movement, the rear subframe [206] having extensions [211, 212] supporting a rider's seat [242].
A motorcycle including an engine unit disposed centrally of the motorcycle, a front subframe detachably mounted on a front portion of said engine unit, front swing arms having rear ends operatively coupled to the front subframe for vertical swinging movement, a steering arm mounted on front ends of the front swing arm being operatively coupled to a steering handle, a front damper disposed between said front swing arms and operative coupled to damped motion of the front swing arms relative to said front subframe, a rear swing arm supporting a rear end operatively coupled to the engine unit for vertical swinging movement, and a rear damper operatively coupled to dampen motion between said rear swing arm and the engine unit.
Dependencies are inferred from the claim text.