NL68503C - - Google Patents
Info
- Publication number
- NL68503C NL68503C NL140108A NL140108A NL68503C NL 68503 C NL68503 C NL 68503C NL 140108 A NL140108 A NL 140108A NL 140108 A NL140108 A NL 140108A NL 68503 C NL68503 C NL 68503C
- Authority
- NL
- Netherlands
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G15/00—Operating chairs; Dental chairs; Accessories specially adapted therefor, e.g. work stands
- A61G15/02—Chairs with means to adjust position of patient; Controls therefor
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US757513A US2651351A (en) | 1947-06-27 | 1947-06-27 | Control mechanism for motor operated chairs and the like |
Publications (1)
Publication Number | Publication Date |
---|---|
NL68503C true NL68503C (en) | 1951-08-15 |
Family
ID=19791794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL140108A NL68503C (en) | 1947-06-27 | 1948-04-23 |
Country Status (5)
Country | Link |
---|---|
US (1) | US2651351A (en) |
DE (1) | DE838196C (en) |
FR (1) | FR966087A (en) |
GB (1) | GB641848A (en) |
NL (1) | NL68503C (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE965152C (en) * | 1954-06-04 | 1957-06-06 | Heinrich Friedrich Carl Samuel | Electric switch for dental drills |
DE1049050B (en) * | 1955-03-31 | 1959-01-22 | Alfred Gebauer | Device for operating dental drills |
DE1020768B (en) * | 1955-11-21 | 1957-12-12 | Wolfgang Goedicke | Foot switch arranged in a ring around the base of a medical treatment chair |
DE1123082B (en) * | 1956-07-13 | 1962-02-01 | Klaus Juergen Henneke | Foot operated electrical start and reversing switch |
DE2231234C3 (en) * | 1972-06-26 | 1981-06-19 | Siemens AG, 1000 Berlin und 8000 München | Foot control device, in particular for dental devices |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1178733A (en) * | 1914-12-26 | 1916-04-11 | Koken Barbers Supply Company | Barber-chair. |
US1228434A (en) * | 1915-03-02 | 1917-06-05 | Edward W Hedberg | Chair. |
US1242109A (en) * | 1915-03-12 | 1917-10-02 | Koken Barbers Supply Company | Barber's chair. |
US1534270A (en) * | 1923-03-03 | 1925-04-21 | Walter F Koken | Barber's chair |
US1534790A (en) * | 1923-12-24 | 1925-04-21 | Walter F Koken | Hydroelectric barber chair |
US2440644A (en) * | 1944-12-18 | 1948-04-27 | David M Powell | Rotary seat attachment for barber chairs |
US2449385A (en) * | 1945-09-17 | 1948-09-14 | Carroll W Johnson | Dental chair unit |
-
1947
- 1947-06-27 US US757513A patent/US2651351A/en not_active Expired - Lifetime
-
1948
- 1948-04-23 NL NL140108A patent/NL68503C/xx active
- 1948-04-29 GB GB11801/48A patent/GB641848A/en not_active Expired
-
1949
- 1949-07-19 DE DE1949838196D patent/DE838196C/en not_active Expired
- 1949-07-19 FR FR966087D patent/FR966087A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE838196C (en) | 1952-05-05 |
FR966087A (en) | 1952-05-05 |
US2651351A (en) | 1953-09-08 |
GB641848A (en) | 1950-08-23 |