Fishing – trapping – and vermin destroying – Traps – Insect
Patent
1974-05-01
1976-06-29
Shay, F. Barry
Fishing, trapping, and vermin destroying
Traps
Insect
15341, 15344, 43139, 124 65, 228 20, A01M 300
Patent
active
039656080
ABSTRACT:
A manually operated, manually-powered, hand held suction device for capturing insects, solder, or other small objects by creating and then discharging a stored vacuum. A suction pulse is produced by initially creating a vacuum in an internal storage chamber of the suction device by using a manually operated piston pump, and subsequently creating an instantaneous suction into the muzzle or nozzle of the device and thence into the storage chamber by opening a trigger actuated shutter valve which lies in the barrel between the chamber and the atmosphere. The pump may include two check valves whereby repeated operation of the pump strengthens the stored vacuum. The object is sucked into the valve and toward the chamber where it is stopped by a screen. The object can then be ejected back through the muzzle by reversing the check valves or the direction of motion of the piston, pressurizing the chamber by means of the piston pump, and again pulling the trigger. The shutter valve is operated independently of the pump and can be manually triggered after the operation of the pump has been completed.
REFERENCES:
patent: 454720 (1891-06-01), Dexter
patent: 923368 (1909-06-01), Myser
patent: 1071620 (1913-08-01), Kingsland
patent: 1478424 (1923-12-01), Cross
patent: 1517131 (1924-11-01), Thompson
patent: 1797557 (1931-03-01), Stine et al.
patent: 2992770 (1961-07-01), Keiser
patent: 3024343 (1962-03-01), Siwakoski
patent: 3231997 (1966-02-01), Shugarman
patent: 3337897 (1967-08-01), Lerner et al.
patent: 3711987 (1973-01-01), Fisk
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