Crank case structure
AssigneeHonda Motor Co., Ltd.
InventorsToru Kisaichi, Hirokazu Tanaka
Life of this patent
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Abstract
A crank case structure that can reduce a front-rear dimension of the crank case to reduce the size of a power unit. A crank case structure adapted to a crank case (9) that houses a crankshaft (C) of a power unit (P), including a crank case cover (20) attached to a side surface of the crank case (9), a push rod (31) that is disposed parallel to the crankshaft (C) and reciprocates to disengage a clutch (CL), and a clutch drive unit (30) that reciprocates the push rod (31). A through hole (32), through which the push rod (31) passes, is formed within an area of a sealing surface (29), the sealing surface (29) is formed in the crank case (9) to attach to the crank case cover (20), and the clutch drive unit (30) is attached to the crank case cover (20).
Claims5
A crank case structure adapted to a crank case that houses a crankshaft of a power unit, comprising:
- a crank case cover attached to a side surface of the crank case;
- a push rod that is disposed parallel to the crankshaft and reciprocates to disengage a clutch, and
- a clutch drive unit that reciprocates the push rod, wherein
- a through hole, through which the push rod passes, is formed within an area of a sealing surface, the sealing surface is formed at a peripheral border and interface between the crank case and the crank case cover, and
- the clutch drive unit is attached to the crank case cover.
Dependencies are inferred from the claim text.