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Patent Searching and Data


Title:
輸送機
Document Type and Number:
Japanese Patent JP4943913
Kind Code:
B2
Abstract:
The invention provides a transportation device having a shock absorbing device with a reduced non-collapse region. Shock absorbers 14 and 17 constituting a shock absorbing device 10Aprovidedon a transportationdevice is connectedrespectively to shock absorbers 17 and 20 disposed rearward therefrom via connecting members23and 26having ashtray-like cross-sectional shapes. The shock absorber 20 disposed at the rearmost position is connected via welding to a base 29. Collapse regions 15, 18 and 21 of the shock absorbers 14, 17 and 20 are collapsed by the load applied to the shock absorbers 14, 17 and 20, and their lengths are shortened. Non-collapse regions 16 and 19 of the shock absorbers 14 and 17 overlap respectively with the non-collapse regions 19 and 22 of the shock absorbers 17 and 20 disposed rearward therefrom. Therefore, the non-collapse regions 16, 19 and 22 fit within a recessed portion of the connecting members 23 and 26, and the overall longitudinal length of the non-collapse regions of the shock absorbing device can be shortened.

Inventors:
Hideyuki Nakamura
Ken Kawasaki
Toshihiko Yoda
Takachi Yamaguchi
Application Number:
JP2007085370A
Publication Date:
May 30, 2012
Filing Date:
March 28, 2007
Export Citation:
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Assignee:
株式会社日立製作所
International Classes:
B61G11/16; B60R19/34; B61D15/06; F16F7/12
Domestic Patent References:
JP2004090825A
JP2004168218A
Foreign References:
DE463955C2
Attorney, Agent or Firm:
Patent Business Corporation Daiichi International Patent Office