FR2190397A1 - - Google Patents
Info
- Publication number
- FR2190397A1 FR2190397A1 FR7322252A FR7322252A FR2190397A1 FR 2190397 A1 FR2190397 A1 FR 2190397A1 FR 7322252 A FR7322252 A FR 7322252A FR 7322252 A FR7322252 A FR 7322252A FR 2190397 A1 FR2190397 A1 FR 2190397A1
- Authority
- FR
- France
- 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.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
- A61C1/0007—Control devices or systems
- A61C1/0015—Electrical systems
- A61C1/0023—Foot control
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/18—Movable parts; Contacts mounted thereon
- H01H21/22—Operating parts, e.g. handle
- H01H21/24—Operating parts, e.g. handle biased to return to normal position upon removal of operating force
- H01H21/26—Operating parts, e.g. handle biased to return to normal position upon removal of operating force adapted for operation by a part of the human body other than the hand, e.g. by foot
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722231121 DE2231121A1 (en) | 1972-06-26 | 1972-06-26 | FOOT CONTROL DEVICE, IN PARTICULAR FOR DENTAL DEVICES |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2190397A1 true FR2190397A1 (en) | 1974-02-01 |
| FR2190397B3 FR2190397B3 (en) | 1976-06-18 |
Family
ID=5848774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7322252A Expired FR2190397B3 (en) | 1972-06-26 | 1973-06-19 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2231121A1 (en) |
| FR (1) | FR2190397B3 (en) |
| GB (1) | GB1445612A (en) |
| IT (1) | IT989374B (en) |
-
1972
- 1972-06-26 DE DE19722231121 patent/DE2231121A1/en not_active Withdrawn
-
1973
- 1973-06-19 FR FR7322252A patent/FR2190397B3/fr not_active Expired
- 1973-06-20 GB GB2939173A patent/GB1445612A/en not_active Expired
- 1973-06-22 IT IT2570573A patent/IT989374B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2190397B3 (en) | 1976-06-18 |
| GB1445612A (en) | 1976-08-11 |
| DE2231121A1 (en) | 1974-01-17 |
| IT989374B (en) | 1975-05-20 |