Primer bulb retainer

Details Primer bulb retainer Primer bulb retainer

F - Mech Eng,Light,Heat,Weapons

02

M

123/31

F02M 1/16 (2006.01) F02B 63/02 (2006.01)

Patent

CA 1091519

ABSTRACT OF THE DISCLOSURE A conventional carburetor has a manually compressible bulb associated therewith which displaces air into a priming fuel well thereby forcing a priming charge of fuel into the carburetor throat. The bulb, which is formed of rubber-like material, has a central dome portion joined to an annular flange. A surface of the carburetor body has a cavity formed therein defined by a side wall and a bottom wall, the bottom wall having an annular shoul- der defining an annular groove with the side wall. The bulb is positioned in the cavity with the annular flange seated in the an- nular grooves the dome portion thereby defining an annular slot with the side wall. An annular, spring metal sealing ring is po- sitioned in the annular slot engaging the annular flange of the bulb, the sealing member having spaced projections thereon which frictionally engage the side wall thereby retaining the annular flange in sealing engagement with the annular groove.

314439

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