GB235849A - Improvements in heads for tripods and like stands - Google Patents
Improvements in heads for tripods and like standsInfo
- Publication number
- GB235849A GB235849A GB12203/25A GB1220325A GB235849A GB 235849 A GB235849 A GB 235849A GB 12203/25 A GB12203/25 A GB 12203/25A GB 1220325 A GB1220325 A GB 1220325A GB 235849 A GB235849 A GB 235849A
- Authority
- GB
- United Kingdom
- Prior art keywords
- screwed
- tripod
- differentially
- instrument
- flange
- 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
- 244000273618 Sphenoclea zeylanica Species 0.000 abstract 1
- 238000007689 inspection Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
Classifications
-
- 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
- F16M11/242—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 by spreading of the legs
-
- 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
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
- F16M11/08—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a vertical axis, e.g. panoramic heads
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Accessories Of Cameras (AREA)
- Clamps And Clips (AREA)
Abstract
235,849. Esdaile, E. W. June 20, 1924, [Convention date]. Theodolites.-A rotatable head for a tripod &c. stand comprises a screwed cap 15, to which a surveying &c. instrument is secured, provided with a flange 17 and a central depending hollow stem 20 having an enlarged lower end 21 carrying a rotatable horizontal plate, 22, a clamping device comprising two vertically separable collars 3, 4, differentially screwed for operation by a nut 13, being interposed between the flange 17 and plate 22. The lower collar 4 is formed with lugs 7 to which the tripod Ac. legs 5 are hinged and is provided with pins 10 engaging apertures 11 in the upper collar 3 to prevent rotation thereof. A plumb line may be passed through the stem 20. In a modification the collars 3, 4 may be internally differentially screwed for engagement by an externally threaded block. The Specification as open to inspection under Sect. 91 (3) (a) states that the cap 15, clamping device 3, 4 &c. may be permanently fixed to the instrument. This subject-matter does not appear in the Specification as accepted.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU235849X | 1924-06-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB235849A true GB235849A (en) | 1926-06-24 |
Family
ID=3712660
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB12203/25A Expired GB235849A (en) | 1924-06-20 | 1925-05-11 | Improvements in heads for tripods and like stands |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB235849A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2614780A (en) * | 1951-01-30 | 1952-10-21 | William J Buff | Surveying instrument tripod head |
-
1925
- 1925-05-11 GB GB12203/25A patent/GB235849A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2614780A (en) * | 1951-01-30 | 1952-10-21 | William J Buff | Surveying instrument tripod head |
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