초록 ▼

A hand-held, pneumatically propelled, metering dispenser for powdered or granular products such as pesticides, the dispenser having a manually operated pneumatic pump, a product canister, a metering scoop insertable into the product canister in operative alignment with the pneumatic pump, and a disc

A hand-held, pneumatically propelled, metering dispenser for powdered or granular products such as pesticides, the dispenser having a manually operated pneumatic pump, a product canister, a metering scoop insertable into the product canister in operative alignment with the pneumatic pump, and a discharge line into and through which powder or granules supported in the scoop are blown by operation of the pneumatic pump.

대표청구항 ▼

1. A hand-held dispenser for powdered or granular particulate material, the dispenser comprising:a pneumatic pump assembly having a cylinder, a reciprocating plunger for selectively pressurizing air inside the cylinder, and a discharge port through which pressurized air is discharged from the cylind

1. A hand-held dispenser for powdered or granular particulate material, the dispenser comprising:a pneumatic pump assembly having a cylinder, a reciprocating plunger for selectively pressurizing air inside the cylinder, and a discharge port through which pressurized air is discharged from the cylinder; a canister assembly having a substantially cylindrical canister with an interior, a first port through which particulate material is introducible into the interior, a second port through which pressurized air is introducible into the interior from the pneumatic pump assembly, and a valve disposed adjacent to the second port; and a discharge assembly having a discharge tube attachable to the canister and a metering scoop insertable into the canister interior in fixed relation to the canister, the metering scoop having a known volume and further comprising an outlet orifice communicating with the discharge tube.