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Metal Working

One-man-brake-check-valve-and-coupler-assembly

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One-man brake check valve and coupler assembly

Details

Inventors: Holland, Marion D.;
Assignee: Robbins; Robert E. (Elizabethtown, KY)
Primary Examiner: Chambers; A. Michael
Assistant Examiner:
Attorney, Agent or Firm: Caslin; Richard L.

A combination one-way check valve and coupler assembly is shown for use in bleeding air from the wheel brake cylinders of automobiles and the like. This one-way check valve is adapted to be attached to a standard bleeder valve that is assembled to each wheel brake cylinder. One-way check valves have been used for this purpose before, but the present invention incorporates a coupler means between the one-way check valve and a standard bleeder valve that is positive and reliable in operation. This coupler means is in the form of a threaded nut that is threaded onto the inlet end of the valve body of the one-way check valve. The outermost end of this threaded nut is slotted from one side to create a spaced, three-sided flange that is capable of slipping over and behind the nipple of a standard bleeder valve so that when the nut is tigntened onto the check valve body, the nipple will be drawn into sealing engagement with a recessed valve seat of the inlet end of the check valve body.

DETAILED DESCRIPTION The present invention provides a combination one-way check valve and a coupler assembly for attachment to a standard bleeder valve of a wheel brake cylinder where there is an adjustable coupler means carried by the inlet end of the check valve body.
This coupler means is movable between a first, open position when it is adapted to receive the nipple of a standard bleeder valve, and a second, closed position which is adapted to clamp the said bleeder valve nipple into sealing engagement with a valve seat of the check valve body.

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