GB362583A - Improvements in or relating to lifting jacks - Google Patents
Improvements in or relating to lifting jacksInfo
- Publication number
- GB362583A GB362583A GB2995530A GB2995530A GB362583A GB 362583 A GB362583 A GB 362583A GB 2995530 A GB2995530 A GB 2995530A GB 2995530 A GB2995530 A GB 2995530A GB 362583 A GB362583 A GB 362583A
- Authority
- GB
- United Kingdom
- Prior art keywords
- crutch
- lever
- handle
- pivot
- frame
- 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
- B66F5/00—Mobile jacks of the garage type mounted on wheels or rollers
- B66F5/02—Mobile jacks of the garage type mounted on wheels or rollers with mechanical lifting gear
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Rehabilitation Tools (AREA)
Abstract
362,583. Lifting jacks. LAKE, A. E., 113, Dunmow Road, Bishop's Stortford, Hertfordshire. Oct. 7, 1930, Nos. 29955 and 30066. [Class 78 (iii).] A lever lifting-jack of the single stroke type has the lever acting as a bent lever, the handle pivoted at a distance from the lever pivot and a setting device for the crutch comprising a pedal actuating a pivoted lever engaging a pin on the crutch. The crutch bracket E is connected by 'a parallel motion linkage G<1>, K<1> to the frame A<2>, the link G<1> of triangular shape acting as a bent lever and being mounted on the frame by a pivot H and connected by a bar R to the actuating handle N. A pawl Q on the handle and rack teeth A<3> on the frame hold the load in the raised position. The crutch D slides in the crutch bracket E and has a setting device comprising a pedal W connected by a link W<2> to an arm V, Fig. 3, mounted on the pivot H and engaging a pin D<3> on the crutch projecting through a slot E<1> in the crutch bracket. The bar R may be replaced by a chain &c. connected to the lever G<1> and operating handle above their pivots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2995530A GB362583A (en) | 1930-10-07 | 1930-10-07 | Improvements in or relating to lifting jacks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2995530A GB362583A (en) | 1930-10-07 | 1930-10-07 | Improvements in or relating to lifting jacks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB362583A true GB362583A (en) | 1931-12-10 |
Family
ID=10299907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2995530A Expired GB362583A (en) | 1930-10-07 | 1930-10-07 | Improvements in or relating to lifting jacks |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB362583A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0064673A2 (en) * | 1981-05-07 | 1982-11-17 | Safe-T-Jack, Inc. | Apparatus for jacking up and supporting a structure |
-
1930
- 1930-10-07 GB GB2995530A patent/GB362583A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0064673A2 (en) * | 1981-05-07 | 1982-11-17 | Safe-T-Jack, Inc. | Apparatus for jacking up and supporting a structure |
| EP0064673A3 (en) * | 1981-05-07 | 1984-01-04 | Harry H. Arzouman | Apparatus for jacking up and supporting a structure |
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