GB639736A - Improvements relating to collapsible trestles and the like - Google Patents

Improvements relating to collapsible trestles and the like

Info

Publication number
GB639736A
GB639736A GB25832/47A GB2583247A GB639736A GB 639736 A GB639736 A GB 639736A GB 25832/47 A GB25832/47 A GB 25832/47A GB 2583247 A GB2583247 A GB 2583247A GB 639736 A GB639736 A GB 639736A
Authority
GB
United Kingdom
Prior art keywords
trestles
collapsible
leg
improvements relating
holes
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
GB25832/47A
Inventor
James Douglas Norman Sharrock
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stewarts and Lloyds Ltd
Original Assignee
Stewarts and Lloyds Ltd
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 by Stewarts and Lloyds Ltd filed Critical Stewarts and Lloyds Ltd
Priority to GB25832/47A priority Critical patent/GB639736A/en
Publication of GB639736A publication Critical patent/GB639736A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/22—Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/34—Scaffold constructions able to be folded in prismatic or flat parts or able to be turned down
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/38—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by folding, e.g. pivoting or scissors tong mechanisms

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Signs Or Road Markings (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)

Abstract

639,736. Tripod stands. STEWARTS & LLOYDS, Ltd. Sept. 23, 1947, No. 25832. [Class 52 (iii)] A trestle of the type used in road repair work comprises three or more tubular legs 6, 7, 8 having holes .9 drilled therein, embraced by a ring 10 having inwardly projecting radial pivot pins 11 which fit into the holes 9. Leg 8 has a slot 12 to take a lamp and a locking ring is pivotally mounted on a lug 13 welded to leg 6.
GB25832/47A 1947-09-23 1947-09-23 Improvements relating to collapsible trestles and the like Expired GB639736A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB25832/47A GB639736A (en) 1947-09-23 1947-09-23 Improvements relating to collapsible trestles and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB25832/47A GB639736A (en) 1947-09-23 1947-09-23 Improvements relating to collapsible trestles and the like

Publications (1)

Publication Number Publication Date
GB639736A true GB639736A (en) 1950-07-05

Family

ID=10234066

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25832/47A Expired GB639736A (en) 1947-09-23 1947-09-23 Improvements relating to collapsible trestles and the like

Country Status (1)

Country Link
GB (1) GB639736A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2222516A (en) * 1988-08-22 1990-03-14 Hwang Sheng Chang Supporting structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2222516A (en) * 1988-08-22 1990-03-14 Hwang Sheng Chang Supporting structure

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