SE9101653L - STEP FOR TRACTOR OR EQUIVALENT - Google Patents

STEP FOR TRACTOR OR EQUIVALENT

Info

Publication number
SE9101653L
SE9101653L SE9101653A SE9101653A SE9101653L SE 9101653 L SE9101653 L SE 9101653L SE 9101653 A SE9101653 A SE 9101653A SE 9101653 A SE9101653 A SE 9101653A SE 9101653 L SE9101653 L SE 9101653L
Authority
SE
Sweden
Prior art keywords
suspension rod
tractor
hinge
travel
essentially
Prior art date
Application number
SE9101653A
Other languages
Swedish (sv)
Other versions
SE9101653D0 (en
SE507455C2 (en
Inventor
P Luoma
Original Assignee
Valmet Oy
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 Valmet Oy filed Critical Valmet Oy
Publication of SE9101653D0 publication Critical patent/SE9101653D0/en
Publication of SE9101653L publication Critical patent/SE9101653L/en
Publication of SE507455C2 publication Critical patent/SE507455C2/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R3/00—Arrangements of steps or ladders facilitating access to or on the vehicle, e.g. running-boards
    • B60R3/02—Retractable steps or ladders, e.g. movable under shock

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Working Implements (AREA)
  • Body Structure For Vehicles (AREA)
  • Handcart (AREA)
  • Coating By Spraying Or Casting (AREA)

Abstract

The invention relates to a stair device for a tractor or equivalent. The stair device comprises a step 1 essentially in the longitudinal direction or direction of travel of the tractor, the front end of which step in the direction of travel is fixed to the frame of the tractor or to the upper step 4 essentially by means of a vertical suspension rod 2. The upper end of the suspension rod is fixed to the frame of the tractor or to the upper step 4 by means of a transversely directed hinge joint 5 of the tractor and the fastening between the lower end of the suspension rod 2 and the front end of the step 1 having been realized by means of a hinge device 10. The rear end of the step 1 is suspended from the frame of the tractor or from the upper step 4 by means of a chain 3 or equivalent member. In the hinge device 10 between the suspension rod 2 and the step 1 there are members 11-17 which allow the step 1 and the suspension rod 2 to swivel relative to each other when the suspension rod 2 is swung forwards in the direction of travel about the hinge 5 of the upper end and prevents swivelling between the step 1 and the suspension rod 2 when the suspension rod is swung backwards about the said hinge 5 and which members 11-17 are arranged to stiffen the suspension rod 2 and the step 1 essentially at a 90 degree angle relative to each other when the step 1 is subjected to load. <IMAGE>
SE9101653A 1990-05-31 1991-05-30 Staircase for tractor or equivalent SE507455C2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI902714A FI83945C (en) 1990-05-31 1990-05-31 TRAPPANORDNING FOER TRAKTOR ELLER MOTSVARANDE.

Publications (3)

Publication Number Publication Date
SE9101653D0 SE9101653D0 (en) 1991-05-30
SE9101653L true SE9101653L (en) 1991-12-01
SE507455C2 SE507455C2 (en) 1998-06-08

Family

ID=8530546

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9101653A SE507455C2 (en) 1990-05-31 1991-05-30 Staircase for tractor or equivalent

Country Status (3)

Country Link
FI (1) FI83945C (en)
NO (1) NO180528C (en)
SE (1) SE507455C2 (en)

Also Published As

Publication number Publication date
NO911843L (en) 1991-12-02
SE9101653D0 (en) 1991-05-30
FI902714A (en) 1991-06-14
NO180528C (en) 1997-05-07
FI83945B (en) 1991-06-14
FI902714A0 (en) 1990-05-31
SE507455C2 (en) 1998-06-08
NO911843D0 (en) 1991-05-13
FI83945C (en) 1991-09-25
NO180528B (en) 1997-01-27

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Legal Events

Date Code Title Description
NUG Patent has lapsed