GB337972A - Improvements in or relating to couplings for tractors and trailers - Google Patents

Improvements in or relating to couplings for tractors and trailers

Info

Publication number
GB337972A
GB337972A GB33943/29A GB3394329A GB337972A GB 337972 A GB337972 A GB 337972A GB 33943/29 A GB33943/29 A GB 33943/29A GB 3394329 A GB3394329 A GB 3394329A GB 337972 A GB337972 A GB 337972A
Authority
GB
United Kingdom
Prior art keywords
box
tractors
trailers
couplings
relating
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
GB33943/29A
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.)
J A MAFFEI AG
Original Assignee
J A MAFFEI AG
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 J A MAFFEI AG filed Critical J A MAFFEI AG
Publication of GB337972A publication Critical patent/GB337972A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D53/00—Tractor-trailer combinations; Road trains
    • B62D53/04—Tractor-trailer combinations; Road trains comprising a vehicle carrying an essential part of the other vehicle's load by having supporting means for the front or rear part of the other vehicle
    • B62D53/06—Semi-trailers
    • B62D53/068—Semi-trailers having devices to equalise or modify the load between the fifth wheel and the rear wheels

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)

Abstract

337,972. Maffei Akt.-Ges., J. A. Nov. 7, 1928, [Convention date]. Driving auxiliary parts. - A device for transferring part of the weight of the trailer to the rear of the tractor comprises a fork 3 on the draft bar 1, a nut 4 on a screw spindle 2, and gearing in a box 9 for conveying power from the engine to rotate the spindle. A winding drum 18 may be fitted and driven from the box 9 by means of a clutch handle 17 and shaft 19 traversing a hollow shaft 10.
GB33943/29A 1928-11-07 1929-11-07 Improvements in or relating to couplings for tractors and trailers Expired GB337972A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE337972X 1928-11-07

Publications (1)

Publication Number Publication Date
GB337972A true GB337972A (en) 1930-11-13

Family

ID=6222047

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33943/29A Expired GB337972A (en) 1928-11-07 1929-11-07 Improvements in or relating to couplings for tractors and trailers

Country Status (1)

Country Link
GB (1) GB337972A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2161691A (en) * 1984-06-28 1986-01-22 Anthony George Milroy Improvements in or relating to trailers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2161691A (en) * 1984-06-28 1986-01-22 Anthony George Milroy Improvements in or relating to trailers

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