GB189728569A - Improvements in Lifting Jacks. - Google Patents
Improvements in Lifting Jacks.Info
- Publication number
- GB189728569A GB189728569A GB189728569DA GB189728569A GB 189728569 A GB189728569 A GB 189728569A GB 189728569D A GB189728569D A GB 189728569DA GB 189728569 A GB189728569 A GB 189728569A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lifting
- rack
- lifting jacks
- bar
- jacks
- 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
Landscapes
- Load-Engaging Elements For Cranes (AREA)
- Earth Drilling (AREA)
- Hydroponics (AREA)
Abstract
28,569. Slater, C. H. Dec. 3. Lifting-jacks.-A rock bar g is mounted in guidestandards b, c. Lifting is effected by means of a lever k, suspended by a link j, a pin m in the end of which engages with the rack g. A spring pawl n retains the bar in its raised position. A pillar s with an adjustable head u is secured by a set-screw t to a foot r<1> connected to the lower end of the rack.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB189728569T | 1897-12-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB189728569A true GB189728569A (en) | 1898-10-01 |
Family
ID=32138353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB189728569D Expired GB189728569A (en) | 1897-12-03 | 1897-12-03 | Improvements in Lifting Jacks. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB189728569A (en) |
-
1897
- 1897-12-03 GB GB189728569D patent/GB189728569A/en not_active Expired
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