EP 0048302 B1 19841219 - SNAP-ACTION SWITCH AND PROCESS FOR ITS PRODUCTION
Title (en)
SNAP-ACTION SWITCH AND PROCESS FOR ITS PRODUCTION
Publication
Application
Priority
- EP 80105744 A 19800924
- DE 2937309 A 19790914
- US 21494980 A 19801210
Abstract (en)
[origin: EP0048302A1] 1. A snap switch (10) comprising - a snap spring (12) mounted to a spring support (24) and, at a distance to the latter, carrying at least one switch contact, - at least one contact (28, 30) stationary with respect to the spring support (24), against which contact the switch contact (32) rests in a switch position of the snap spring (12), - a guide (60) pivotally supported in the proximity of the spring support (24) and being connected with the snap spring (12), at a distance to the point of mounting of the latter, and to the switch contact (32), and having a point of attack (68) for an actuating force P, - at least one pre-tension spring acting on the guide (60) and tending to maintain said guide with pre-tension in an abutment position, and - an adjustment member (52) by which the pre-tension of the pre-tension spring may be adjusted characterized in that the pre-tension spring is a leaf spring (56) secured on the one hand to the guide (60) and on the other hand to a lever (50) mounted in the proximity of the spring support (24) in a stationary bearing (44) and adapted to be pivotally adjusted by means of the adjustment member (52).
IPC 1-7
IPC 8 full level
H01H 5/18 (2006.01); H01H 11/00 (2006.01)
CPC (source: EP US)
H01H 5/18 (2013.01 - EP US); H01H 11/00 (2013.01 - EP US)
Citation (examination)
- EP 0026449 A1 19810408 - ZANGENSTEIN ELEKTRO [DE]
- US 2374986 A 19450501 - FETTER NORMAN C
- DE 1939186 U 19660526 - PATINVEST PATENT UND INVEST A [CH]
Designated contracting state (EPC)
AT BE CH FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0048302 A1 19820331; EP 0048302 B1 19841219; AT E10885 T1 19850115; DE 2937309 A1 19810402; US 4365123 A 19821221
DOCDB simple family (application)
EP 80105744 A 19800924; AT 80105744 T 19800924; DE 2937309 A 19790914; US 21494980 A 19801210