Non-pressure head with integrated piston stop and vent/drain

Details Non-pressure head with integrated piston stop and vent/drain Non-pressure head with integrated piston stop and vent/drain

2007-12-04

2007-12-04

King, Bradley (Department: 3683)

Brakes

Operators

Fluid pressure

C188S170000, C092S082000, C092S078000

Reexamination Certificate

active

10944793

ABSTRACT:
A non-pressure head for a fluid cylinder, which includes a drain channel formed in the flange by a raised portion of the flange extending from a plane of the flange in the same direction as the head portion. The channel is cold formed in the flange. For the piston stop, the flange has an opening of a diameter smaller than a diameter of a piston on the piston rod to form a stop for the piston. A plurality of spaced ribs are provided between the flange and the head. The ribs are raised portions of the flange and the head and are cold formed in the flange and the head.

REFERENCES:
patent: 1615370 (1927-01-01), Farmer
patent: 1939845 (1933-12-01), Farmer
patent: 2135251 (1938-11-01), Farmer
patent: 2277124 (1942-03-01), Maliphant et al.
patent: 3943831 (1976-03-01), Coupland
patent: 4482160 (1984-11-01), Yanagi et al.
patent: 4776443 (1988-10-01), Maruyamano et al.
patent: D352258 (1994-11-01), Rudd et al.
patent: D392648 (1998-03-01), Karlsson
patent: 6378414 (2002-04-01), Constantinides et al.
patent: D500768 (2005-01-01), Brinton

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