GB1290402A - - Google Patents
Info
- Publication number
- GB1290402A GB1290402A GB1290402DA GB1290402A GB 1290402 A GB1290402 A GB 1290402A GB 1290402D A GB1290402D A GB 1290402DA GB 1290402 A GB1290402 A GB 1290402A
- Authority
- GB
- United Kingdom
- Prior art keywords
- boom section
- platform
- bar
- pivotally connected
- chassis
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/044—Working platforms suspended from booms
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
1290402 Mobile elevating apparatus J ROTHEISLER 28 April 1970 20337/70 Heading B8H A mobile elevating platform in which the platform 25 is elevated in a substantially rectilinear vertical path comprises a chassis 11 on which a lower boom section 15 is mounted at one end at pivot 17 and is pivotally connected at its other end to an upper boom section 16 at a pivot 19 on a bell crank 22. The platform 25 is pivotally mounted at the outer end of boom section 16 and is pivotally connected to the bell crank 22 by a bar 20. A bar 34 is pivotally connected between the chassis 11 and boom section 16. When the boom section 15 is actuated by an hydraulic ram 29 through a piston rod 32 the bar 34 guides the movement of boom section 16 in such a manner that the platform 25 is raised (or lowered) in a substantially rectilinear vertical path as illustrated by line (38), Fig. 3 (not shown), in which the dotted lines represent the positions of the members when the platform 25 is elevated. In a further embodiment the rigid bar 34 is replaced by a chain (34a), Fig. 2 (not shown), which passes around a sprocket (44) on the upper boom section.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2033770 | 1970-04-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1290402A true GB1290402A (en) | 1972-09-27 |
Family
ID=10144288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1290402D Expired GB1290402A (en) | 1970-04-23 | 1970-04-23 |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1290402A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50160909A (en) * | 1974-06-20 | 1975-12-26 | ||
| JPS5127403U (en) * | 1974-08-21 | 1976-02-28 | ||
| GB2120998A (en) * | 1982-05-28 | 1983-12-14 | Simon Eng Dudley Ltd | An access platform |
| GB2169577A (en) * | 1985-01-11 | 1986-07-16 | Univ Kazakhsky | Boom of a load-lifting device |
| GB2203123B (en) * | 1987-04-04 | 1990-12-12 | Aerial Access Equip | Personnel access lift. |
-
1970
- 1970-04-23 GB GB1290402D patent/GB1290402A/en not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50160909A (en) * | 1974-06-20 | 1975-12-26 | ||
| JPS5127403U (en) * | 1974-08-21 | 1976-02-28 | ||
| JPS572398Y2 (en) * | 1974-08-21 | 1982-01-14 | ||
| GB2120998A (en) * | 1982-05-28 | 1983-12-14 | Simon Eng Dudley Ltd | An access platform |
| GB2169577A (en) * | 1985-01-11 | 1986-07-16 | Univ Kazakhsky | Boom of a load-lifting device |
| GB2203123B (en) * | 1987-04-04 | 1990-12-12 | Aerial Access Equip | Personnel access lift. |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |