GB515650A - Improvements in and relating to brackets - Google Patents
Improvements in and relating to bracketsInfo
- Publication number
- GB515650A GB515650A GB18671/38A GB1867138A GB515650A GB 515650 A GB515650 A GB 515650A GB 18671/38 A GB18671/38 A GB 18671/38A GB 1867138 A GB1867138 A GB 1867138A GB 515650 A GB515650 A GB 515650A
- Authority
- GB
- United Kingdom
- Prior art keywords
- arm
- spring
- pivoted
- struts
- pivot
- 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
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
- A61B6/447—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit or the detector unit being mounted to counterpoise or springs
-
- 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
- A61G15/14—Dental work stands; Accessories therefor
-
- 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
- F16M11/046—Allowing translations adapted to upward-downward translation movement
-
- 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
-
- 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
- F16M11/2007—Undercarriages with or without wheels comprising means allowing pivoting adjustment
- F16M11/2014—Undercarriages with or without wheels comprising means allowing pivoting adjustment around a vertical axis
-
- 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
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- High Energy & Nuclear Physics (AREA)
- Physics & Mathematics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Instructional Devices (AREA)
Abstract
515,650. Counterbalances. DENTAL MANUFACTURING CO., Ltd., and LEE, W. G. June 23, 1938, No. 18671. [Class 78 (ii)] [Also in Group XIV] In a bracket angularly adjustable in a vertical plane about a pivot on a fixed support and having a spring member pivoted to the fixed support and to the arm of the bracket to counterbalance a constant load, means are provided for horizontally adjusting the pivot of the spring member with respect to the pivot of the arm to suit the constants of the particular spring in use. Duplicate struts or arms 2 are pivoted at 6 to a swivel head 7 mounted on the stand 1. The member 3 containing the spring 13 is pivoted at 4 with the struts 2 to a lug 5 carrying the load and at 11 to arm 9 of a bell-crank lever pivoted at 6. The other arm 10 of the lever abuts against an adjusting screw 12. The relative position of the pivots of the struts 2 and the tie member 3 is adjusted by this screw. A nut 18 on the tie rod 17 enables an adjustment to be made for the load on the spring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB18671/38A GB515650A (en) | 1938-06-23 | 1938-06-23 | Improvements in and relating to brackets |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB18671/38A GB515650A (en) | 1938-06-23 | 1938-06-23 | Improvements in and relating to brackets |
Publications (1)
Publication Number | Publication Date |
---|---|
GB515650A true GB515650A (en) | 1939-12-11 |
Family
ID=10116439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB18671/38A Expired GB515650A (en) | 1938-06-23 | 1938-06-23 | Improvements in and relating to brackets |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB515650A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1877636A2 (en) * | 2005-04-15 | 2008-01-16 | BROWN, Garrett W. | Equipoising support apparatus |
WO2012100756A1 (en) * | 2011-01-28 | 2012-08-02 | Mz Liberec, A.S. | Spatially adjustable arm |
-
1938
- 1938-06-23 GB GB18671/38A patent/GB515650A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1877636A2 (en) * | 2005-04-15 | 2008-01-16 | BROWN, Garrett W. | Equipoising support apparatus |
EP1877636A4 (en) * | 2005-04-15 | 2010-11-24 | Garrett W Brown | Equipoising support apparatus |
US8066251B2 (en) | 2005-04-15 | 2011-11-29 | Brown Garrett W | Equipoising support apparatus |
WO2012100756A1 (en) * | 2011-01-28 | 2012-08-02 | Mz Liberec, A.S. | Spatially adjustable arm |
EA025067B1 (en) * | 2011-01-28 | 2016-11-30 | Мз Либерец, А.С. | Spatially adjustable arm |
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