Clutch master cylinder
This patent describes a clutch master cylinder for use in a clutch release mechanism, comprising: a master cylinder body provided thereon with a fluid reservoir tank and therein with an inlet port in communication with the reservoir tank and an outlet port for connection to a slave cylinder in the clutch release mechanism; a piston axially slidably disposed within the cylinder body and arranged to be moved inward by a push-rod; a valve seat arranged between the inlet and outlet ports within the cylinder body to permit fluid flow passing therethrough; a valve body associated with the piston to cooperate with the valve seat in response to inward movement of the piston so as to interrupt the communication between the inlet and outlet ports; and an adjusting plug disposed within the cylinder body to adjust an axial space between the valve seat and the valve body and being fastened in its adjusted position to maintain the axial space in an adjusted amount; wherein a fixed plug is mounted on the cylinder body to support an outer end portion of the adjusting plug, and wherein the outer end portion of the adjusting plug is adjustably threaded into the fixed plug and fastened in place by a lock nut threaded thereon, the adjusting plug being provided at an intermediate portion thereof with an annular flange engageable with the inner end of the fixed plug to restrict outward movement of the adjusting plug and engageable with an inner wall of the cylinder body to restrict inward movement of the adjusting plug.
- Assignee:
- Aisin Seiki Kabushiki Kaisha, Kariya and Toyota Jidosha Kabushiki Kaisha, Toyota
- Patent Number(s):
- US 4716733
- OSTI ID:
- 5421609
- Resource Relation:
- Patent File Date: Filed date 26 Jul 1985
- Country of Publication:
- United States
- Language:
- English
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