The appellants' invention relates to an elevator door system including a drive
motor coupled to an elevator car and disposed below the ceiling of the elevator car
(specification, page 1).
Claim 16 is representative of the invention, and is reproduced as
follows:
16. An elevator door system comprising:
an elevator car having a front face defining a door opening,
at least one elevator door coupled to the front face of the
elevator car for movement between an open position exposing
the door opening and a closed position covering the door
opening;
a first sheave and second sheave disposed on the front face
of the elevator car;
a rope forming a closed loop about the first and second
sheaves wherein the door is attached to the rope; and
at least one flat drive motor integrated onto one of the sheaves
such that the drive motor is drivingly coupled to the rope for
moving the elevator door between the open and closed
positions.
The prior art references of record relied upon by the
examiner in rejecting the appealed claims are:
Aulanko et al. (Aulanko) 5,665,944 Sep. 9, 1997
Tracey 5,701,973 Dec. 30, 1997
Yoshikawa et al. (Yoshikawa) JP -281888 Mar. 22, 1990
Yoshinobu et al. (Yosinobu) JP -6329375 Nov. 29, 1994
Claims 16 and 21 stand rejected under 35 U.S.C. § 103(a) as
being unpatentable over Yoshikawa in view of Aulanko.
Claims 16, 17 and 21 stand rejected under 35 U.S.C. § 103(a)
as being unpatentable over Yoshinobu in view of Aulanko.
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