DE4020974C2 - - Google Patents
Info
- Publication number
- DE4020974C2 DE4020974C2 DE4020974A DE4020974A DE4020974C2 DE 4020974 C2 DE4020974 C2 DE 4020974C2 DE 4020974 A DE4020974 A DE 4020974A DE 4020974 A DE4020974 A DE 4020974A DE 4020974 C2 DE4020974 C2 DE 4020974C2
- Authority
- DE
- Germany
- Prior art keywords
- hose
- plate
- circuit board
- safety circuit
- pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/14—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for operation by a part of the human body other than the hand, e.g. by foot
- H01H3/141—Cushion or mat switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/14—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for operation by a part of the human body other than the hand, e.g. by foot
- H01H3/141—Cushion or mat switches
- H01H2003/147—Special aspects regarding the peripheral edges of the mat switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/14—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for operation by a part of the human body other than the hand, e.g. by foot
- H01H3/141—Cushion or mat switches
- H01H2003/148—Cushion or mat switches the mat switch being composed by independently juxtaposed contact tiles, e.g. for obtaining a variable protected area
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/14—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for operation by a part of the human body other than the hand, e.g. by foot
- H01H3/141—Cushion or mat switches
- H01H3/142—Cushion or mat switches of the elongated strip type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/0271—Bases, casings, or covers structurally combining a switch and an electronic component
Landscapes
- Push-Button Switches (AREA)
- Measuring Fluid Pressure (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Description
Claims (5)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4020974A DE4020974A1 (de) | 1990-06-30 | 1990-06-30 | Sicherheits-schaltplatte |
DE4042429A DE4042429C3 (de) | 1990-06-30 | 1990-06-30 | Sicherheits-Schaltplatte |
EP90112534A EP0464231A1 (de) | 1990-06-30 | 1990-06-30 | Sicherheits-Schaltplatte |
DE9007245U DE9007245U1 (de) | 1990-06-30 | 1990-06-30 | Sicherheits-Schaltplatte |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4020974A DE4020974A1 (de) | 1990-06-30 | 1990-06-30 | Sicherheits-schaltplatte |
DE9007245U DE9007245U1 (de) | 1990-06-30 | 1990-06-30 | Sicherheits-Schaltplatte |
Publications (2)
Publication Number | Publication Date |
---|---|
DE4020974A1 DE4020974A1 (de) | 1992-01-09 |
DE4020974C2 true DE4020974C2 (de) | 1992-05-27 |
Family
ID=25894638
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4020974A Granted DE4020974A1 (de) | 1990-06-30 | 1990-06-30 | Sicherheits-schaltplatte |
DE9007245U Expired - Lifetime DE9007245U1 (de) | 1990-06-30 | 1990-06-30 | Sicherheits-Schaltplatte |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE9007245U Expired - Lifetime DE9007245U1 (de) | 1990-06-30 | 1990-06-30 | Sicherheits-Schaltplatte |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0464231A1 (de) |
DE (2) | DE4020974A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29716609U1 (de) * | 1997-09-16 | 1997-11-20 | FRABA Sicherheitssysteme GmbH, 51063 Köln | Schaltmatte |
DE10331284B4 (de) * | 2003-07-10 | 2005-06-16 | Gummi-Welz Gmbh & Co. Kg | Fußschutzleiste |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE540187C (de) * | 1929-11-27 | 1931-12-11 | Leopold Rado | Bei Belastung ansprechende Kontaktvorrichtung fuer elektrische Signalanlagen |
DE1971111U (de) * | 1967-04-26 | 1967-10-26 | Kurt Huebner | Kontaktmatte fuer tritte u. dgl. |
DE2538050A1 (de) * | 1975-08-27 | 1977-03-10 | Kabel Metallwerke Ghh | Elektrische kontaktmatte zur ausloesung einer warnanlage |
US4075616A (en) * | 1975-11-12 | 1978-02-21 | Rait Joseph M | Detector for alarm system |
CH634426A5 (de) * | 1978-06-06 | 1983-01-31 | Multisafe Ag | Gegen sabotage und andere stoerungen gesicherte rohrleitung in einer elektropneumatischen oder elektrohydraulischen sicherungsanlage und verwendung dieser leitung. |
GB2172748A (en) * | 1985-02-07 | 1986-09-24 | Cyril John Peachey | Pressure mat switch assemblies |
DE8706826U1 (de) * | 1987-05-08 | 1987-08-06 | Peisler, Thomas, 4300 Essen | Schaltungsanordnung |
DE8909161U1 (de) * | 1989-07-28 | 1989-10-26 | Zimmermann, Uwe, 74821 Mosbach | Trittplatte |
-
1990
- 1990-06-30 DE DE4020974A patent/DE4020974A1/de active Granted
- 1990-06-30 EP EP90112534A patent/EP0464231A1/de not_active Withdrawn
- 1990-06-30 DE DE9007245U patent/DE9007245U1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0464231A1 (de) | 1992-01-08 |
DE9007245U1 (de) | 1990-10-04 |
DE4020974A1 (de) | 1992-01-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
AH | Division in |
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|
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
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AH | Division in |
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8339 | Ceased/non-payment of the annual fee |