Appeal No. 2004-0202
Application No. 09/719,014
APPENDIX
11. A wheel for an escalator step or a lift door, said
wheel comprising a first portion comprising a ball or roller
bearing having an inner portion and an outer portion which
can rotate relative to one another, an outer surface of the
outer portion of the first portion having at least one
recess, and a second portion formed from a metallic material
and providing a rim, said second portion surrounding the
outer surface of the first portion and a surface of the
second portion being deformed such that the resulting
deformations protrude into said at least one recess provided
on the outer surface of the first portion such that the
second portion is secured to the first potion [sic,
portion].
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