Spray gun with dual mode trigger

Details Spray gun with dual mode trigger Spray gun with dual mode trigger

1993-04-14

1994-07-26

Merritt, Karen B.

Fluid sprinkling, spraying, and diffusing

Combining of separately supplied fluids

And valving means controlling flow for combining

239414, 239526, B05B 702

Patent

active

053321596

ABSTRACT:
A paint spray gun having a dual operating mode trigger. The trigger pivots on a gun body about an axis. The two operating modes are selected by radially positioning the trigger relative to the axis. In a first operating mode, fluid flow to a nozzle is gradually increased as the trigger is gradually squeezed to permit fluid flow control for feathering the applied coating. In this mode, the trigger is mechanically linked for actuating a valve needle. In a second operating mode, a small actuating movement of the trigger operates a valve which causes a piston to move the valve needle to its fully open position. The second operating mode provides only on-off fluid control with a very short trigger stoke and a low trigger force.

REFERENCES:
patent: 1643969 (1927-10-01), Tittemore et al.
patent: 1906975 (1933-05-01), Larson
patent: 3836082 (1974-09-01), Krohn

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