Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1991-06-25
1992-01-21
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15344, 228 20, A47L 504
Patent
active
050817396
ABSTRACT:
A solder-removing tool has a cylinder with a nozzle at one end thereof and a shaft with a piston assembly slidable in the cylinder. A latching assembly is disposed at the other end of the cylinder and latches the shaft in an extended position. A spring is fixed to a spring seat which is received on an annular flange of the cylinder near the latching assembly. A damping assembly employs a floating washer between the latching assembly and the spring seat, and employs a pair of exhaust ports and a compression port respectively formed through the latching assembly and the spring seat. The damping assembly absorbs the shock produced by the recoil of the spring from the extended position.
REFERENCES:
patent: 3263889 (1966-08-01), Fortune
patent: 3818539 (1974-06-01), Fortune
patent: 3862468 (1975-01-01), Fortune
patent: 4274176 (1981-06-01), Undin et al.
patent: 4292706 (1981-10-01), Fortune
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