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Patent Searching and Data


Title:
ELASTIC WHEEL
Document Type and Number:
Japanese Patent JP2009067202
Kind Code:
A
Abstract:

To provide an elastic wheel capable of enhancing the transmissibility of the driving force and the braking force by suppressing a slip between a damper member and a rim or a disk.

The elastic wheel includes a rim 3, a disk 4 fixed to an axle, and a connection means 5 for elastically connecting the rim 3 to the disk 4. The connection means 5 includes a pair of first ring pieces 6 projected inwardly in the radial direction from an inner circumferential surface 3i of the rim 3 and having a first engagement groove 9 extending in the circumferential direction and formed in an inner surface, a second ring piece 7 arranged between the pair of first ring pieces 6 and having a second engagement groove 10 opposing the first engagement groove 9 to form a pair on both sides and extending in the circumferential direction, and a damper member 8 consisting of a ring-like rubber elastic body held in a compressed state between the first engagement groove 9 and the second engagement groove 10. An uneven part 11 for preventing any slip from the damper member 8 is provided on an inner circumferential surface of the first engagement groove 9 and/or the second engagement groove 10.


Inventors:
Shiraishi, Masaki
Kimura, Yoshimasa
Morita, Toshiki
Application Number:
JP2007000236973
Publication Date:
April 02, 2009
Filing Date:
September 12, 2007
Export Citation:
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Assignee:
SUMITOMO RUBBER IND LTD
TOPY IND LTD
International Classes:
B60B9/12; B60B3/04; B60B21/02; B60B9/00; B60B3/00; B60B21/00