초록 ▼

A cover plate for fluid pumps incorporating an O-ring seal 5 secured in a channel 4. The cover includes slots 7 extending to the edge of the cover plate and securing holes to allow easy positioning of the cover onto bolts which remain located in the body of the pump. These and other securing bolts 8

A cover plate for fluid pumps incorporating an O-ring seal 5 secured in a channel 4. The cover includes slots 7 extending to the edge of the cover plate and securing holes to allow easy positioning of the cover onto bolts which remain located in the body of the pump. These and other securing bolts 8 may have large and knurled heads for rapid finger-tightening so as to avoid the need for tools.

대표청구항 ▼

[ I claim:] [1.] A pump cover assembly comprising:a plate having an inner surface, an outer surface, and a peripheral edge extending between said inner surface and said outer surface;an annular channel formed in said inner surface of said plate for receiving and holding an O-ring seal;a through hole

[ I claim:] [1.] A pump cover assembly comprising:a plate having an inner surface, an outer surface, and a peripheral edge extending between said inner surface and said outer surface;an annular channel formed in said inner surface of said plate for receiving and holding an O-ring seal;a through hole provided in said plate and extending between said inner surface and said outer surface of said plate; andat least two slots provided in said plate, each slot having a first end and a second end which is open at said peripheral edge of said plate so that upon lateral movement of said plate, relative to a longitudinal axis of a bolt which is partially engaged in a mounting surface of a pump casing, each slot can receive a bolt shaft between a bolt head and a mounting surface of the pump casing.