GB691146A - Sectional mast - Google Patents
Sectional mastInfo
- Publication number
- GB691146A GB691146A GB5205/51A GB520551A GB691146A GB 691146 A GB691146 A GB 691146A GB 5205/51 A GB5205/51 A GB 5205/51A GB 520551 A GB520551 A GB 520551A GB 691146 A GB691146 A GB 691146A
- Authority
- GB
- United Kingdom
- Prior art keywords
- girders
- unit
- girt
- masts
- girts
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/1242—Rigid masts specially adapted for supporting an aerial
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
691,146. Lattice-work masts: preformed substructures for masts. BEATTY BROS., Ltd. March 5, 1951 [Sept. 28, 1950], No. 5205/51. Classes 20(i) and 20(ii) In a mast comprising a number of superposed units A ... D, each unit consists of three girders 16 having horizontal girts 17 with ledges 18, the lower ends of the girders 16 of one unit fitting within the upper ends-of the girders of the next lower unit and resting on the ledge 18 of the topmost girt 17 where are are secured by bolts 19. Plates 20, for the attachment of guys 29, and centering plates 25 'are attachable to any girt 17 and have central holes 24, 26 respectively to accommodate the shank of a television antenna. The lower unit A is bolted at 27 to brackets 12 fixed to a post 10 pivoted at 15 to a base plate 13. The girders 16 are of angle iron and the girts 19 are welded to them.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA691146X | 1950-09-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB691146A true GB691146A (en) | 1953-05-06 |
Family
ID=4172183
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5205/51A Expired GB691146A (en) | 1950-09-28 | 1951-03-05 | Sectional mast |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB691146A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2383836A1 (en) * | 2009-10-09 | 2011-11-02 | Fasmetrics Limited | Antenna mast system and mounting apparatus |
-
1951
- 1951-03-05 GB GB5205/51A patent/GB691146A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2383836A1 (en) * | 2009-10-09 | 2011-11-02 | Fasmetrics Limited | Antenna mast system and mounting apparatus |
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