GB158542A - Improvements in and relating to hand-rests for electric polishing lathes - Google Patents
Improvements in and relating to hand-rests for electric polishing lathesInfo
- Publication number
- GB158542A GB158542A GB34703/20A GB3470320A GB158542A GB 158542 A GB158542 A GB 158542A GB 34703/20 A GB34703/20 A GB 34703/20A GB 3470320 A GB3470320 A GB 3470320A GB 158542 A GB158542 A GB 158542A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lathe
- rests
- hand
- socket
- rest
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C3/00—Dental tools or instruments
- A61C3/06—Tooth grinding or polishing discs; Holders therefor
Landscapes
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
158,542. Platschick, B. Jan. 30, 1920. [Convention date]. Guides and rests.-A hand-rest for an electric Polishing-lathe, for example, a lathe for dental work, comprises a disc-shaped head 1 carrying a threaded rod 2 screwing into a socket 3. The socket is carried by an arm 4 pivoted at 5 to a slide-block 6 slidable in a guide in the frame 7; the head is thus movable into any desired position and may be set at any desired height. In order to prevent the transmission of jarring to the hand, the socket 3 has at its lower end a rubber or other elastic washer 8, which rests on the table carrying the lathe. When not in use, the rest may be moved round the pivot to lie against the framework, and two rests may be provided, one on each side of the lathe. The Specification, as open to inspection under Sect. 91 (3) (a) comprises also the use of a. plate which is secured to the framework and to which the arm 4 is pivoted; or the securing of the rest to the lathe by mortise, bayonet, or friction joints, or by single or double slides, or by tenon slides. This subject-matter does not appear in the Specification as accepted.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR158542X | 1920-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB158542A true GB158542A (en) | 1921-12-15 |
Family
ID=8876398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB34703/20A Expired GB158542A (en) | 1920-01-30 | 1920-12-08 | Improvements in and relating to hand-rests for electric polishing lathes |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB158542A (en) |
-
1920
- 1920-12-08 GB GB34703/20A patent/GB158542A/en not_active Expired
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