GB539084A - Improvements in and relating to balanced suspension devices, particularly for x-ray apparatus - Google Patents
Improvements in and relating to balanced suspension devices, particularly for x-ray apparatusInfo
- Publication number
- GB539084A GB539084A GB1007740A GB1007740A GB539084A GB 539084 A GB539084 A GB 539084A GB 1007740 A GB1007740 A GB 1007740A GB 1007740 A GB1007740 A GB 1007740A GB 539084 A GB539084 A GB 539084A
- Authority
- GB
- United Kingdom
- Prior art keywords
- arm
- lever
- acts
- carrying
- balanced suspension
- 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
- 239000000725 suspension Substances 0.000 title abstract 2
- 238000007689 inspection Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Radiology & Medical Imaging (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- High Energy & Nuclear Physics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Aerials With Secondary Devices (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Abstract
539,084. Stands. BRITISH THOMSONHOUSTON CO., Ltd. (Compagnie Francais pour L'Exploitation des Procedes Thomson-Houston). June 10, 1940, No. 10077. [A Specification was laid open to inspection under Sect. 91 of the Acts, Dec. 9, 1940.] [Class 52 (iii)] [Also in Group XX] A balanced suspension system for adjustably carrying X-ray tubes, lamps, short-wave radio transmitters, sound generators, and other apparatus, comprises a carriage 3 slidably mounted on a vertical support 2 and carrying a horizontal tube 5 to the end of which is pivoted a bell crank lever, one arm 8 of which supports the apparatus 9 whilst the other arm 10 is subjected to the balancing force of a spring 11 mounted inside the tube 5. In the form shown, the spring acts on the lever by way of a slide block 13 and connecting rod 12 ; in a modification, it is connected to the arm 10 by a chain passing between a pair of sheaves. The balance is sufficiently exact for the frictional resistances between the moving parts to hold the lever in any position in which it is adjusted.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1007740A GB539084A (en) | 1940-06-10 | 1940-06-10 | Improvements in and relating to balanced suspension devices, particularly for x-ray apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1007740A GB539084A (en) | 1940-06-10 | 1940-06-10 | Improvements in and relating to balanced suspension devices, particularly for x-ray apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
GB539084A true GB539084A (en) | 1941-08-27 |
Family
ID=9961021
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1007740A Expired GB539084A (en) | 1940-06-10 | 1940-06-10 | Improvements in and relating to balanced suspension devices, particularly for x-ray apparatus |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB539084A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2584921A (en) * | 1948-02-13 | 1952-02-05 | David W Rawnsley | Means for counterbalancing a pivoted arm or member |
US2609723A (en) * | 1947-02-24 | 1952-09-09 | Kenneth I Stubbs | High shear blind fastener |
US2832556A (en) * | 1954-06-01 | 1958-04-29 | Mitchell Camera Corp | Tripod head |
US10945689B2 (en) * | 2016-10-12 | 2021-03-16 | Fujifilm Corporation | Mobile radiation generator |
-
1940
- 1940-06-10 GB GB1007740A patent/GB539084A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2609723A (en) * | 1947-02-24 | 1952-09-09 | Kenneth I Stubbs | High shear blind fastener |
US2584921A (en) * | 1948-02-13 | 1952-02-05 | David W Rawnsley | Means for counterbalancing a pivoted arm or member |
US2832556A (en) * | 1954-06-01 | 1958-04-29 | Mitchell Camera Corp | Tripod head |
US10945689B2 (en) * | 2016-10-12 | 2021-03-16 | Fujifilm Corporation | Mobile radiation generator |
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