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US 5,701,800 AGranted
Pressure medium drive with a cylinder and a plunger
AssigneeKaup & Co. KG
InventorOtmar Kaup
Life of this patent
Estimating the term…
Abstract
A support with a through-hole (13) for a plunger (3) and a contact surface (15) for a sealing ring (8), is designed as a sliding body (12) with two .diametrically opposite sliding shoulders, which are inserted in complementary transverse grooves (9, 10) in the end of a cylinder (1). After the sliding body (12) has been inserted, it is held in place in the cylinder by the plunger (3). The sliding body (12) is provided with an annular channel inside the through-hole, in which channel a wiper ring (17) is set.
Claims6
Pressure medium drive comprising
- a housing with a cylindrical chamber having a central axis, said housing having an end at which said cylindrical chamber opens, a stepped bore concentric to said central axis, and a pair of grooves extending transversely of said axis on opposite sides of said cylindrical chamber at said end of said housing,
- a sealing ring received in said stepped bore,
- a support slideably received in said grooves to hold said sealing ring in said stepped bore, said support having a through-hole which aligns with said cylindrical chamber and said sealing ring, and
- a plunger slideably received in said through-hole, said sealing ring, and said cylindrical chamber, thereby holding said support in place against movement in said grooves transversely of said axis.
1 more element
Dependencies are inferred from the claim text.