Draincock assembly

Details Draincock assembly Draincock assembly

1992-06-19

1993-09-21

Rivell, John

Valves and valve actuation

Mechanical movement actuator

Cam

251297, 251904, 165 71, F16K 31528

Patent

active

052462021

ABSTRACT:
A draincock assembly is designed so it may be molded with the radiator tank. The draincock assembly includes a drain for draining fluid from the heat exchanger. The drain includes a cam surface which receives a pin of a draincock therein. The draincock moves rotationally about and axially along a longitudinal axis defined by the drain between open and closed positions in a path defined by the pin moving along the cam surface. A detent is molded to the cam surface and prevents movement of the pin of the draincock therepast unless a rotational force is applied to the handle of the draincock. An O-ring at the end of the cylindrical body of the draincock provides a seal wherein no fluid may exit through the drain nipple until the O-ring moves past the drain nipple, creating a drainage path from the radiator tank.

REFERENCES:
patent: 1503132 (1924-07-01), Prator
patent: 4679618 (1987-07-01), Farkas
patent: 5096158 (1992-03-01), Burdick et al.

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