A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 1/12 (2006.01) A61B 1/313 (2006.01)
Patent
CA 2279181
The invention relates to a device having an orifice covered by an optical device (3), which is to be prevented from being dirtied. For that reason the device comprises a housing (1), in which a ring-shaped socket (2) supporting the optical device is rotatably journalled by means of a bearing arranged around the periphery of the socket (2). Moreover, the socket (2) is provided with a rim of turbine blades (8) against which one or more jets of pressure air from nozzles (10, 11) in the housing (1) are directed.
L'invention concerne un dispositif doté d'un orifice recouvert d'un dispositif optique (3) et devant être protégé de la salissure. Pour cette raison, le dispositif comprend un boîtier (1) dans lequel un support (2) annulaire portant le dispositif optique est monté en rotation au moyen d'un appui placé sur la périphérie du support (2). En outre, le support (2) est doté d'une couronne d'ailettes (8) de turbine vers lesquelles est dirigé au moins un jet d'air comprimé délivré par des buses (10, 11) placées dans le boîtier (1).
Medifront Ab
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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