| US 7,588,448 B2 | ||
| Airtight electrical socket | ||
| Timo Remes, Turku (Finland); and Johannes Väänänen, Oulu (Finland) | ||
| Assigned to Ball-IT Oy, Oulu (Finland) | ||
| Filed on Mar. 28, 2008, as Appl. No. 12/57,400. | ||
| Application 12/057400 is a continuation of application No. PCT/FI2008/000029, filed on Feb. 19, 2008. | ||
| Claims priority of application No. 20070259 (FI), filed on Mar. 30, 2007. | ||
| Prior Publication US 2008/0242136 A1, Oct. 02, 2008 | ||
| Int. Cl. H01R 13/44 (2006.01) | ||
| U.S. Cl. 439—137 [439/272] | 18 Claims |
| 1. An electrical socket realised in an electrical appliance for housing a plug with the socket further comprising a seal,
and
the seal is composed of at least two sealing elements arranged to seal the socket opening,
the plug is arranged to penetrate through the seal and then through the opening upon insertion of the plug into the socket,
wherein at least one of said sealing elements occupies an arc or portion of the socket opening perimeter less than the full
perimeter, said at least one sealing element is configured to have a shape of an arc that opens in a direction away from the
socket opening
upon pressure on the electrical appliance, at least one of said sealing elements is configured to compress radially against
a longitudinal axis of the plug thereby tightening the seal of the socket.
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