Carburetor adjustment screw apparatus

Details Carburetor adjustment screw apparatus Carburetor adjustment screw apparatus

1995-10-13

1997-06-03

Miles, Tim R.

Gas and liquid contact apparatus

Fluid distribution

Valved

261DIG38, 261DIG84, 137382, F02M 308

Patent

active

056351135

ABSTRACT:
A fuel adjustment screw apparatus for a diaphragm-type carburetor comprises a screw member (4) having a shaft (4a) and a head (12) by which the shaft may be rotated, with a generally tubular open-ended housing (9) surrounding the head of the screw member. A cap member (10) is mounted in the housing and is movable axially of the screw member between a first position (as seen in FIG. 1) and a second position (FIG. 2). The cap member is held clear of the head of the screw member in the first position so that the screw member can rotate freely, and engages over the head of the screw member in the second position for rotation with the head. The housing has stop means (20) which is engaged by the cap member in the second position for limiting the angle of rotation of the head.

REFERENCES:
patent: 2618473 (1952-11-01), Whitford
patent: 3618906 (1971-11-01), Charron
patent: 4097561 (1978-06-01), Seki et al.
patent: 4246929 (1981-01-01), Wakeman
patent: 4271095 (1981-06-01), Maeda
patent: 4378321 (1983-03-01), Miller
patent: 5055238 (1991-10-01), Araki
patent: 5236634 (1993-08-01), Hammett et al.
patent: 5252261 (1993-10-01), Gerhardy
patent: 5322645 (1994-06-01), Hammett et al.

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