Appeal No. 2001-0484 Page 5
Application No. 09/116,409
A method of preventing a handrail of an outdoor
escalator from freezing which comprises heating a
handrail guide associated with said handrail.
Saito discloses an escalator having a pair of handrails 2
driven in synchronism with an endless step structure 1. A
pair of balustrades 3 are provided for guiding the respective
handrails 2. Each of the balustrades 3 includes a balustrade
panel 4 formed of transparent reinforced glass. The
balustrade panel 4 is arranged vertically and has a lower
portion thereof supported by a fixed member. A plurality of
fixing instruments 5 are fixedly mounted to an upper end of
the balustrade panel 4. A main deck 8 and a guide frame 9 are
mounted to the fixing instruments 5. A guide 10 is fixedly
secured to the guide frame 9 and is in sliding contact with an
inner peripheral surface of the handrail 2.
As shown in Figures 2-5 of Saito, the main deck 8 has
incorporated therein a pair of sockets 13 for a rod-like
fluorescent lamp 18. Lead wires 15 extending from each of the
sockets 13 are guided into the guide frame 9 through a wiring
bore 16 which is formed through the main deck 8 and the guide
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