GB1226631A - - Google Patents

Info

Publication number
GB1226631A
GB1226631A GB1226631DA GB1226631A GB 1226631 A GB1226631 A GB 1226631A GB 1226631D A GB1226631D A GB 1226631DA GB 1226631 A GB1226631 A GB 1226631A
Authority
GB
United Kingdom
Prior art keywords
tractor
grader
march
indicator
ram
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
Application number
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of GB1226631A publication Critical patent/GB1226631A/en
Expired legal-status Critical Current

Links

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
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/7636—Graders with the scraper blade mounted under the tractor chassis
    • E02F3/7654—Graders with the scraper blade mounted under the tractor chassis with the scraper blade being horizontally movable into a position near the chassis

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)

Abstract

1,226,631. Earth-grading apparatus. L. W. HUTT. 20 March, 1969 [21 March, 1968], No. 13636/68. Heading E1F. A tractor-towable grader comprises a frame 10 mounted at its rear on wheels 11, 12, supporting at its middle a mounting 25 for adjustable means 26, 27 carrying a grader blade 30, and having at its leading end a towing coupling 15 that permits of the use of the grader with either a hitch coupling or a tow bar on a tractor. Associated with each ram forming the means 26, 27 is an indicator for indicating to a tractor operator, when the grader is coupled to a tractor, the degree of extension of the ram and this indicator is claimed in Specification 1,226,632.
GB1226631D 1968-03-21 1968-03-21 Expired GB1226631A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1363668 1968-03-21

Publications (1)

Publication Number Publication Date
GB1226631A true GB1226631A (en) 1971-03-31

Family

ID=10026634

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1226631D Expired GB1226631A (en) 1968-03-21 1968-03-21

Country Status (1)

Country Link
GB (1) GB1226631A (en)

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees