B - Operations – Transporting – 62 – D
Patent
B - Operations, Transporting
62
D
305/50
B62D 55/14 (2006.01) B62D 55/096 (2006.01)
Patent
CA 1044282
APPARATUS FOR REDUCING NOISE OF A CARRIER ROLLER ABSTRACT A noise reduction apparatus for a carrier roller in a ¢rawler tractor, which includes first and second dimpled, annular guard members, each having a steel plate with a noise-absorbing member bonded thereto, and a third annular guard member having a noise-absorbing member and a layer of vibration damping material. The first and second guard members are removably secured to the opposite side faces of the~ carrier roller, while the third guard member is closely fitted, through the medium of the layer of the a~oresaid vibration damping material, into an annular groove defined about the periphery of the central portion of the carrier roller. The noise-absorbing members of the first and second guard members~ are positioned on;the respective inner surfaces o~ the steel plates.
261322
Amemiya Shinichi
Nakajima Hiroshi
Nozawa Yoshitomo
Oguri Kyoichi
Umezaki Hajime
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