JPS5750042A - Dust-proof device of key operation part of numerical control device - Google Patents
Dust-proof device of key operation part of numerical control deviceInfo
- Publication number
- JPS5750042A JPS5750042A JP55124720A JP12472080A JPS5750042A JP S5750042 A JPS5750042 A JP S5750042A JP 55124720 A JP55124720 A JP 55124720A JP 12472080 A JP12472080 A JP 12472080A JP S5750042 A JPS5750042 A JP S5750042A
- Authority
- JP
- Japan
- Prior art keywords
- dust
- control device
- front panel
- operation part
- numerical control
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2223/00—Casings
- H01H2223/002—Casings sealed
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2223/00—Casings
- H01H2223/044—Protecting cover
Landscapes
- Input From Keyboards Or The Like (AREA)
- Numerical Control (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55124720A JPS5750042A (en) | 1980-09-10 | 1980-09-10 | Dust-proof device of key operation part of numerical control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55124720A JPS5750042A (en) | 1980-09-10 | 1980-09-10 | Dust-proof device of key operation part of numerical control device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5750042A true JPS5750042A (en) | 1982-03-24 |
Family
ID=14892426
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55124720A Pending JPS5750042A (en) | 1980-09-10 | 1980-09-10 | Dust-proof device of key operation part of numerical control device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5750042A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60170209A (ja) * | 1984-01-24 | 1985-09-03 | ピエル・ナヴアラ・エツセ・アー | 可変抵抗器及び開閉器の結合体 |
EP0315910A2 (en) * | 1987-11-09 | 1989-05-17 | Tektronix Inc. | Sealed computer terminal keyboard |
US6747223B2 (en) | 2000-06-21 | 2004-06-08 | Nec Corporation | Waterproof switch device |
-
1980
- 1980-09-10 JP JP55124720A patent/JPS5750042A/ja active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60170209A (ja) * | 1984-01-24 | 1985-09-03 | ピエル・ナヴアラ・エツセ・アー | 可変抵抗器及び開閉器の結合体 |
JPH0421322B2 (ja) * | 1984-01-24 | 1992-04-09 | Pieru Nauara Sa | |
EP0315910A2 (en) * | 1987-11-09 | 1989-05-17 | Tektronix Inc. | Sealed computer terminal keyboard |
EP0315910A3 (en) * | 1987-11-09 | 1990-08-29 | Tektronix Inc. | Sealed computer terminal keyboard |
US6747223B2 (en) | 2000-06-21 | 2004-06-08 | Nec Corporation | Waterproof switch device |
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