Portable vacuum pump for desoldering purposes

Details Portable vacuum pump for desoldering purposes Portable vacuum pump for desoldering purposes

1984-07-02

1988-08-23

Hershkovitz, Abraham

Expansible chamber devices

With assembly or disassembly facilitating means

92130C, 92133, 173121, 228 20, F01B 2900

Patent

active

047652292

ABSTRACT:
A portable vacuum pump for desoldering applications has a hollow cylindrical barrel forming a vacuum cylinder containing a plunger. The pump has a trigger housing containing a single compression spring. The spring is mounted outside the barrel. No separate return spring is required to hold the trigger in the latched position. The single trigger keeps the spring end out of the barrel and thus out of contact with the soldering debris. This allows more space for the plunger, producing a longer stroke and a higher vacuum.

REFERENCES:
patent: 3263889 (1966-08-01), Fortune
patent: 3818539 (1974-06-01), Fortune

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