(19)
(11) EP 3 020 866 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
31.08.2016 Bulletin 2016/35

(43) Date of publication A2:
18.05.2016 Bulletin 2016/20

(21) Application number: 15194173.9

(22) Date of filing: 11.11.2015
(51) International Patent Classification (IPC): 
E01H 5/06(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(30) Priority: 13.11.2014 EE 201400039

(71) Applicant: Meiren Engineering OÜ
11216 Tallinn (EE)

(72) Inventor:
  • RENSER, Raoul
    11216 Tallinn (EE)

(74) Representative: Nelsas, Tónu 
AAA Patendibüroo OÜ Tartu mnt, 16
10117 Tallinn
10117 Tallinn (EE)

   


(54) PLOUGH BLADE HOLDER OF A ROAD MAINTENANCE VEHICLE


(57) The invention is related to design of plough blade holder of a road maintenance vehicle. The blade holder of the invention comprises a part made of elastically deforming material, which has a air filled space. Blade holder from elastically deforming material has locking teeth in the hollow space side, which are adopted to hook with each other on moving over an obstacle on the road. Thanks to this hooking is guaranteed greater returning force into initial position and avoided situation, where the blade holder may stay into opearting position without return. Optionally the blade holder has a tightening means in order to pre-adjust the position of the blade so, that the angle between the blade and the road surface normal is according to a specific need.







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