Fuel mixture limitation device

Gas and liquid contact apparatus – Fluid distribution – Valved

Patent

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Details

261DIG38, 261DIG84, 137382, F02M 308

Patent

active

056038690

ABSTRACT:
A limitation device which limits post-adjustment rotation of an adjustment screw (10) on single adjustment screw carburetors (20). In one embodiment, the limitation device uses a limiter cap (100, 200) removably attached to the adjustment screw (10) which works in conjunction with a limiter stop (300, 400) attached to the carburetor. In a second embodiment, the limitation device uses a limiter cap (700) removably attached to the adjustment screw (10) which works in conjunction with a plate (600) attached to the carburetor. In either embodiment, the limiter cap (100, 200, 700) presents a first and second rotational stop (110, 210) which cooperates with at least one rotational stop (304, 306, 404, 406, 606) on the limiter stop (300, 400) or plate (600). A special tool and method is also disclosed for installing and removing the device from the carburetor.

REFERENCES:
patent: 3618906 (1971-11-01), Charron
patent: 3967811 (1976-07-01), Keller, III
patent: 4097561 (1978-06-01), Seki et al.
patent: 4234523 (1980-11-01), Onuki et al.
patent: 4271095 (1981-06-01), Maeda
patent: 4681134 (1987-07-01), Paris, Sr.
patent: 5048792 (1991-09-01), Fischer
patent: 5055238 (1991-10-01), Araki
patent: 5094265 (1992-03-01), Jackson et al.
patent: 5236634 (1993-08-01), Hammett et al.
patent: 5252261 (1993-10-01), Gerhardy

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