GB813694A - Improvements in or relating to trenching machines - Google Patents
Improvements in or relating to trenching machinesInfo
- Publication number
- GB813694A GB813694A GB216456A GB216456A GB813694A GB 813694 A GB813694 A GB 813694A GB 216456 A GB216456 A GB 216456A GB 216456 A GB216456 A GB 216456A GB 813694 A GB813694 A GB 813694A
- Authority
- GB
- United Kingdom
- Prior art keywords
- boom
- secured
- tractor
- relating
- telescopic
- 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
- 240000000800 Allium ursinum Species 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/283—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a single arm pivoted directly on the chassis
- E02F3/286—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a single arm pivoted directly on the chassis telescopic or slidable
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
- E02F3/32—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom working downwardly and towards the machine, e.g. with backhoes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/025—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with scraper-buckets, dippers or shovels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
813,694. Shovelling machines. HOWLETT, C. W. April 18, 1957 [Jan. 23, 1956], No. 2164/56. Class 68(1) Secured to and transversely of lift links of a power operated lift linkage of a tractor or of a tractor-drawn trailer is a telescopic boom 12, 49. To one end of the boom is rigidly secured a bracket 13 that supports through a universal joint 14, 20 a second telescopic boom 21, 22 on the end of which is pivotally mounted a scoop 26. Hydraulically-actuated rams 30, 15, 23, 32 control extension and contraction of the booms, slewing of the second boom about vertical and horizontal axes, and pivoting of the bucket relative to the boom. A counter-balancing mass 48 is secured to the other end of the first boom. Specification 747,554 is referred to.
Publications (1)
Publication Number | Publication Date |
---|---|
GB813694A true GB813694A (en) | 1959-05-21 |
Family
ID=1627164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB216456A Expired GB813694A (en) | 1956-01-23 | Improvements in or relating to trenching machines |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB813694A (en) |
-
1956
- 1956-01-23 GB GB216456A patent/GB813694A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB989580A (en) | Improvements in or relating to hydraulically actuated shovel excavators | |
ES357084A1 (en) | Digging and lifting device | |
GB1448843A (en) | Excavator incorporating a pivotably mounted implement | |
GB936260A (en) | Improvements in devices which include pivotal jib members | |
GB1222702A (en) | Improvements in or relating to excavators | |
GB1025305A (en) | Improvements in mechanical excavators | |
GB1039703A (en) | Improvements in or relating to shovel loaders | |
GB813694A (en) | Improvements in or relating to trenching machines | |
GB866759A (en) | Improvements relating to scoop loaders and to attachments therefor | |
GB964850A (en) | Improvements relating to shovel excavator assemblies | |
GB910576A (en) | Improvements in or relating to multiple-purpose power shovels | |
GB849559A (en) | Improvements in or relating to earth working machines | |
GB928772A (en) | Boom and scoop assembly for attachment to a tractor or the like | |
GB866619A (en) | Improvements in or relating to shovel excavators | |
GB941902A (en) | Improvements relating to shovel loaders | |
GB1046631A (en) | Improvements in or relating to earthmoving and hoisting machines such as power shovels, cranes or the like | |
GB1002958A (en) | Improved excavating attachments for tractors and similar vehicles | |
GB859437A (en) | Improvements relating to mechanical shovels | |
GB758490A (en) | Improvements in or relating to loading shovels | |
GB686946A (en) | Improvements in or relating to excavating machines | |
GB966719A (en) | Improvements relating to bucket excavators | |
GB980137A (en) | Improvements relating to mechanical excavators | |
GB859920A (en) | Improvements relating to mechanical handling apparatus | |
GB676365A (en) | Improvements in or relating to mechanical shovels or excavators | |
GB887805A (en) | Improvements in or relating to shovelling machines |