Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1979-11-15
1981-08-25
Whitehead, Harold D.
Metal working
Method of mechanical manufacture
Assembling or joining
99295, 271 181, 294 1R, B23P 1102
Patent
active
042851149
ABSTRACT:
The applicator includes a plastic disc having a central hole therein. Integral with the disc and extending from the upper side thereof is a tubular handle, the bore of the handle being in alignment or registry with the hole in the plastic disc. By means of the handle the disc can be rotatively oscillated against the uppermost paper filter of a stack of such filters so as to induce electrostatic charges thereon with the consequence that the filter clings to the lower side of the disc. The disc is slightly smaller in diameter than the diameter of the paper filters to be transferred, and the peripheral diameter of the paper filters is slightly greater than the diameter of the coffee maker basket. In this way, when the plastic disc and the filter being electrostatically carried thereby is inserted into the coffee maker basket, the peripheral edge of the filter is deflected upwardly, the frictional engagement causing the filter to remain in the basket when the plastic disc is retracted.
REFERENCES:
patent: 1510564 (1924-10-01), Stockfleth
patent: 3104018 (1963-09-01), Booth
patent: 3726520 (1973-04-01), Doi
patent: 3737973 (1973-06-01), Stawski
patent: 4073530 (1978-02-01), Seidler
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