Appeal 2007-1460
Application 10/481,336
STATEMENT OF THE CASE
Appellants seek our review under 35 U.S.C. § 134 of the Examiner’s final
rejection of claims 1 and 21. We have jurisdiction under 35 U.S.C. § 6(b) (2002).
SUMMARY OF DECISION
We AFFIRM-IN-PART.
THE INVENTION
Appellants’ claimed invention is to a detachable crawler for an endless track
travel device on a machine, such as a construction machine. Claim 1, reproduced
below, is representative of the subject matter on appeal.
1. A detachable crawler comprising:
a rubber belt part (4), said rubber belt part comprising a
rubber elastic body (4a), a tensile reinforcing layer (2) and core
bars (3),
said tensile reinforcing layer (2) comprising a plurality of
tensile reinforcing members arranged and embedded in the
rubber elastic body (4a) in parallel rows, the rows extending in
a crawler width direction, and the tensile reinforcing members
extending in a crawler circumferential direction, and said core
bars being embedded in the rubber elastic body at fixed
intervals in the crawler circumference direction; and
detachable pads, each of said detachable pads being one
of a) a rubber pad (5) comprising a rubber elastic body and a
metal core (6) having protrusions (7) of a height HI on an inner
peripheral side thereof and (b) an iron pad comprising a steel
1 Claims 3 and 4 are object to as being dependent upon a rejected base claim, and
claims 5 and 6 have been withdrawn from consideration.
2
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