GB928940A - Improvements in or relating to hydraulic jacks - Google Patents
Improvements in or relating to hydraulic jacksInfo
- Publication number
- GB928940A GB928940A GB1256059A GB1256059A GB928940A GB 928940 A GB928940 A GB 928940A GB 1256059 A GB1256059 A GB 1256059A GB 1256059 A GB1256059 A GB 1256059A GB 928940 A GB928940 A GB 928940A
- Authority
- GB
- United Kingdom
- Prior art keywords
- handle
- abutment
- april
- lever
- pin
- 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
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
- B66F3/42—Constructional features with self-contained pumps, e.g. actuated by hand
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/04—Lifting or levelling of tracks
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Reciprocating Pumps (AREA)
Abstract
928,940. Hydraulic jacks. SKYHI Ltd. April 13, 1960 [April 14, 1959], No. 12560/59. Class 78 (3). To facilitate movement of an hydraulic jack to a position beneath a load to be lifted, the handle 1 is locked in the position shown by the engagement of an abutment 25 with extensions 17 of the jack body and 18 of a pumping member 2, the abutment being secured to a lever 15 carrying a pin 13 which retains the handle in a socket in the member 2, and which frees the handle when the lever is pivoted to the chain line position where a notch 16 is aligned with the socket wall of the member 2. During operation of the pump piston 11, the handle oscillates the member 2 about a square section member 4 which engages a square section recess 3 in member 2. Fluid is released from the jack cylinder (not shown) by rotating member 4 by means of the handle 1 thereby allowing valve 7 to open. In a modification (not shown) the pin 13 may be slidable into and out of a locking position for the handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1256059A GB928940A (en) | 1959-04-14 | 1959-04-14 | Improvements in or relating to hydraulic jacks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1256059A GB928940A (en) | 1959-04-14 | 1959-04-14 | Improvements in or relating to hydraulic jacks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB928940A true GB928940A (en) | 1963-06-19 |
Family
ID=10006906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1256059A Expired GB928940A (en) | 1959-04-14 | 1959-04-14 | Improvements in or relating to hydraulic jacks |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB928940A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2351908A1 (en) * | 2010-06-18 | 2011-02-14 | Melchoe Gabilondo S.A. | Cat with lever with self-locking. (Machine-translation by Google Translate, not legally binding) |
-
1959
- 1959-04-14 GB GB1256059A patent/GB928940A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2351908A1 (en) * | 2010-06-18 | 2011-02-14 | Melchoe Gabilondo S.A. | Cat with lever with self-locking. (Machine-translation by Google Translate, not legally binding) |
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