KEY MODULE FOR CONTACT FOIL KEYBOARDS
PCT No. PCT/EP86/00453 Sec. 371 Date Mar. 9, 1987 Sec. 102(e) Date Mar. 9, 1987 PCT Filed Jul. 31, 1986 PCT Pub. No. WO87/01236 PCT Pub. Date Feb. 26, 1987.A key module for a membrane switch keyboard has a flat spring running diagonally to the key housing on the bottom side which, with the aid of a...
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| Main Authors | , |
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| Format | Patent |
| Language | English German |
| Published |
07.06.1989
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| Subjects | |
| Online Access | Get full text |
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| Abstract | PCT No. PCT/EP86/00453 Sec. 371 Date Mar. 9, 1987 Sec. 102(e) Date Mar. 9, 1987 PCT Filed Jul. 31, 1986 PCT Pub. No. WO87/01236 PCT Pub. Date Feb. 26, 1987.A key module for a membrane switch keyboard has a flat spring running diagonally to the key housing on the bottom side which, with the aid of a plunger, is bent for the operation of membrane contacts. The flat spring with one free end is inserted into a slot which is open toward the top and permits an adjustment of the flat spring by pressure loading on the free end or on the bottom side against the lower section of the flat spring, which is adjacent to the bent free end. The free end of the flat spring is rigidly retained in a slot at the key housing. For the adjustment of the operating force a compression spring is arranged inside the plunger and is supported against a cross-piece running over the flat spring. |
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| AbstractList | PCT No. PCT/EP86/00453 Sec. 371 Date Mar. 9, 1987 Sec. 102(e) Date Mar. 9, 1987 PCT Filed Jul. 31, 1986 PCT Pub. No. WO87/01236 PCT Pub. Date Feb. 26, 1987.A key module for a membrane switch keyboard has a flat spring running diagonally to the key housing on the bottom side which, with the aid of a plunger, is bent for the operation of membrane contacts. The flat spring with one free end is inserted into a slot which is open toward the top and permits an adjustment of the flat spring by pressure loading on the free end or on the bottom side against the lower section of the flat spring, which is adjacent to the bent free end. The free end of the flat spring is rigidly retained in a slot at the key housing. For the adjustment of the operating force a compression spring is arranged inside the plunger and is supported against a cross-piece running over the flat spring. |
| Author | MERTEL, WALTER, HANS MURMANN, GUNTER |
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| RelatedCompanies | CHERRY-MIKROSCHALTER GMBH |
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| Snippet | PCT No. PCT/EP86/00453 Sec. 371 Date Mar. 9, 1987 Sec. 102(e) Date Mar. 9, 1987 PCT Filed Jul. 31, 1986 PCT Pub. No. WO87/01236 PCT Pub. Date Feb. 26, 1987.A... |
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| SubjectTerms | BASIC ELECTRIC ELEMENTS ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES RELAYS SELECTORS |
| Title | KEY MODULE FOR CONTACT FOIL KEYBOARDS |
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