EP 0366409 A3 19901128 - SIGHT CORRECTIVE LENS MOUNTING SYSTEM FOR RESPIRATORS
Title (en)
SIGHT CORRECTIVE LENS MOUNTING SYSTEM FOR RESPIRATORS
Publication
Application
Priority
GB 8824986 A 19881025
Abstract (en)
[origin: EP0366409A2] A means for attachment of a sight corrective lens (19) adjacent the eyepiece (4) of a respirator includes a lens mount (10) and a lens surround (2), the surround (2) having blind recesses (6b,7b) therein into which engage tabs (9,18) on the mount (10), the tabs (9,18) and recesses (6b,7b) being of different dimensions at different positions around the frames so as to assure a unique orientation of the lens mount (10) in relation to the surround (2) when they are engaged. At least one tab (9,18) may have spaced-apart protrusions (15) for interfitting with a lug (7a) projecting radially from its associated blind recess (7b).
IPC 1-7
IPC 8 full level
A62B 18/08 (2006.01)
CPC (source: EP)
A62B 18/082 (2013.01)
Citation (search report)
- [A] FR 49815 E 19390808
- [A] DE 2646042 A1 19780413 - AUERGESELLSCHAFT GMBH
- [A] GB 2200475 A 19880803 - AVON IND POLYMERS
Designated contracting state (EPC)
BE FR GB NL SE
DOCDB simple family (publication)
EP 0366409 A2 19900502; EP 0366409 A3 19901128; DK 526389 A 19900426; DK 526389 D0 19891024; GB 8824986 D0 19881130; NO 894217 D0 19891024; NO 894217 L 19900426
DOCDB simple family (application)
EP 89310942 A 19891024; DK 526389 A 19891024; GB 8824986 A 19881025; NO 894217 A 19891024