Chassis for a cable or pipeline trolley

Details Chassis for a cable or pipeline trolley Chassis for a cable or pipeline trolley

2006-12-02

2011-12-27

Morano, IV, Joe (Department: 3617)

Railway rolling stock

Suspended

Inner wheels

C105S150000, C105S153000, C104S095000

Reexamination Certificate

active

08082854

ABSTRACT:
The invention relates to a chassis (1) for a cable or pipeline trolley (2), for traveling along a carrier rail, the chassis including at least one pair of carrier rollers (3) having a horizontal axis of rotation and at least one pair of guide rollers (4) having a vertical axis of rotation. The disadvantage of known chassis of this type is that they jolt at uneven sections of the carrier rail and a significant supply of replacement parts is required for repairs. The aim of the invention is to develop a chassis with improved driving characteristics, whilst at the same time reducing production and inventory costs. To achieve this, the carrier rollers (3) and guide rollers (4) are essentially arranged symmetrically to a vertical axis.

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English translation of International Preliminary Report on Patentability published Oct. 20, 2008 for PCT/EP2006/011578 filed Dec. 2, 2006.
International Preliminary Report on Patentability published Aug. 2, 2008 for PCT/EP2006/011578 filed Dec. 2, 2006.
International Search Report published Aug. 9, 2007 for PCT/EP2006/011578 filed Dec. 2, 2006.
Written Opinion of the International Search Authority, published Aug. 2, 2008 for PCT/EP2006/011578 filed Dec. 2, 2006.
Corrected International Preliminary Report on Patentability mailed Dec. 1, 2008 for PCT/EP2006/011578 filed Dec. 2, 2006.
International Preliminary Report on Patentability (corrected version), published Oct. 13, 2009 for PCT/EP2006/011578, filed Dec. 2, 2006.

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