Elevator – industrial lift truck – or stationary lift for vehicle – With barrier for regulating access to load support
Patent
1998-10-29
2000-11-14
Olszewski, Robert P.
Elevator, industrial lift truck, or stationary lift for vehicle
With barrier for regulating access to load support
187325, 49380, 49409, B66B 1306
Patent
active
061456306
ABSTRACT:
This invention relates to an improved sliding entrance door assembly for an elevator and to the method of installing the assembly. In one embodiment, the elevator sliding entrance door assembly comprises, viewed from the hallway, a sill, a left vertical post having a top portion, a right vertical post having a top portion and positioned parallel to the left post, a header formed with an open notch connected to the left and right posts, a door frame consisting of a strike jamb, head jamb and return jamb attached to the header, one post and sill. An elevator door track is attached to the header. The assembly also includes a sliding elevator door having rolling means to rollingly suspend the door from the track, the door being adjustable after being suspended through the opening formed in the header. In addition, the slide sill having a groove therein which defines a lower track for the door extends between the left post and the right post.
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patent: 4735293 (1988-04-01), Everhart et al.
patent: 4742645 (1988-05-01), Johnston
patent: 5445244 (1995-08-01), Ketonen
Tyler Company, "Elevator Cars, Elevator Entrances," (Cleveland 1927), pp. 10, 11, 18, 19.
National Elevator Cab & Door Corp., "`Secure Slide` The Accessible Elevator Entrance," (Mar. 25, 1996).
Carosella Steven
Friedman Harold S.
Michalik Richard
Olszewski Robert P.
Tran Thuy V.
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