(19)
(11) EP 2 202 193 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
05.10.2011 Bulletin 2011/40

(43) Date of publication A2:
30.06.2010 Bulletin 2010/26

(21) Application number: 09179290.3

(22) Date of filing: 15.12.2009
(51) International Patent Classification (IPC): 
B66C 23/697(2006.01)
 B66C 23/70(2006.01)
(84) Designated Contracting States:
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 SE SI SK SM TR
Designated Extension States:
AL BA RS

(30) Priority: 26.12.2008 JP 2008334183
02.12.2009 JP 2009274559

(71) Applicants:
  • Kobelco Cranes Co., Ltd.
    Shinagawa-ku, Tokyo Tokyo 141-8626 (JP)
  • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    Kobe-shi, Hyogo 651-8585 (JP)

(72) Inventors:
  • Yokoyama, Shunsuke
    Akashi-shi Hyogo 674-0063 (JP)
  • Ogawa, Yuichi
    Akashi-shi Hyogo 674-0063 (JP)
  • Motoyama, Isao
    Akashi-shi Hyogo 674-0063 (JP)
  • Hanawa, Yoji
    Kobe-shi Hyogo 651-2271 (JP)
  • Nakayama, Hiroki
    Kobe-shi Hyogo 651-2271 (JP)

(74) Representative: TBK 
Bavariaring 4-6
80336 München
80336 München (DE)

   


(54) Sliding support member for boom, boom for construction machinery comprising the same, and method for assembling boom for construction machine


(57) Provided are a sliding support member for booms easily mountable on an outer boom member and allowing position adjustment of an inner boom member relative to the outer boom member; a boom for construction machine having the sliding support member for booms; and a method for assembling a boom for construction machine. The sliding support member slidably supports an inner boom member 12 while fixed to an outer boom member 11, having a plurality of sliding pads 20 and a holder 30 holding them. Each of the sliding pads 20 has a surface 20a for contacting the inner boom member 12. The holder 30 is fixed to the inner peripheral face of the outer boom member 11 to hold the sliding pads 20 allowing them to be inserted and removed through the front end of the outer boom member 11.







Search report