Power plants – Pressure fluid source and motor – Pulsator
Patent
1991-06-27
1992-08-11
Look, Edward K.
Power plants
Pressure fluid source and motor
Pulsator
60592, F15B 710
Patent
active
051368471
ABSTRACT:
A cap for a reservoir of a master cylinder having a disc member with a plurality of perpendicular guides located on a fixed radius from the center of the disc member for aligning a cylindrical body secured thereto. The cylindrical body has an annular flange with a tapered peripheral surface thereon extending from an edge of a shoulder formed adjacent the annular flange. A diaphragm has an annular base connected to an apex section by a first conical leg and a center section connected to the apex section by a second conical leg. The diaphragm has a plurality of ribs that engage the disc member when an annular lip is located on a shoulder of the cylindrical body. When inwardly projecting tabs on the annular edge of the disc engage corresponding arcuate projections extending from the cylindrical neck to fix the cap to the reservoir, the tapered peripheral surface on the flange of the cylindrical member engage the first conical leg to provide a radial force which urges the first conical leg into engagement with the cylindrical neck of the reservoir to form the primary sealing for the reservoir while the plurality of ribs are compressed between the disc and and top of the cylindrical neck to from the secondary sealing for the reservoir.
REFERENCES:
patent: Re31080 (1982-11-01), Gaiser
patent: 4142756 (1979-03-01), Henning et al.
patent: 4353479 (1982-10-01), Nakamura et al.
patent: 4445330 (1984-05-01), Melinat
patent: 4987740 (1991-01-01), Coleman
patent: 5031790 (1991-07-01), Keller
Crumb Donald A.
Zander Richard A.
Allied-Signal Inc.
Decker Ken C.
Look Edward K.
Lopez F. Daniel
McCormick Jr. Leo H.
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