GB131229A - - Google Patents
Info
- Publication number
- GB131229A GB131229A GB131229DA GB131229A GB 131229 A GB131229 A GB 131229A GB 131229D A GB131229D A GB 131229DA GB 131229 A GB131229 A GB 131229A
- Authority
- GB
- United Kingdom
- Prior art keywords
- spring
- telephones
- parallelmotion
- lazytongs
- carter
- 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.)
- Active
Links
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/048—Allowing translations adapted to forward-backward translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/11—Supports for sets, e.g. incorporating armrests
- H04M1/12—Adjustable supports, e.g. extensible
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M2200/00—Details of stands or supports
- F16M2200/04—Balancing means
- F16M2200/044—Balancing means for balancing rotational movement of the undercarriage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M2200/00—Details of stands or supports
- F16M2200/06—Arms
- F16M2200/061—Scissors arms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M2200/00—Details of stands or supports
- F16M2200/06—Arms
- F16M2200/063—Parallelogram arms
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Abstract
131,229. Carter, F. H. Jan. 10. 1919. Telephones, supporting.- An extensible bracket or support for lamps, telephones, &c. comprises lazytongs G connected to parallelmotion arms A, B which are balanced by a spring in the arm B. The tension of the spring is varied by the rod S engaging notches L and connected bv a cord or wire I to the spring.
Publications (1)
Publication Number | Publication Date |
---|---|
GB131229A true GB131229A (en) |
Family
ID=1724821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB131229D Active GB131229A (en) |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB131229A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE748668C (en) * | 1937-01-16 | 1944-11-07 | Adjustable support arm for wall or column lamps that can be moved in several levels | |
DE754354C (en) * | 1934-02-10 | 1952-07-28 | George Carwardine | Adjusting device for masses to be kept in balance in every position |
BE1015666A3 (en) * | 2003-08-29 | 2005-07-05 | Brutsaert Trading Bv Met Beper | Movable arm for parasol, has cable extending between base of support section and spring fitting in arm part |
-
0
- GB GB131229D patent/GB131229A/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE754354C (en) * | 1934-02-10 | 1952-07-28 | George Carwardine | Adjusting device for masses to be kept in balance in every position |
DE748668C (en) * | 1937-01-16 | 1944-11-07 | Adjustable support arm for wall or column lamps that can be moved in several levels | |
BE1015666A3 (en) * | 2003-08-29 | 2005-07-05 | Brutsaert Trading Bv Met Beper | Movable arm for parasol, has cable extending between base of support section and spring fitting in arm part |
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