Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1990-10-23
1992-07-07
Skaggs, H. Grant
Elevator, industrial lift truck, or stationary lift for vehicle
Stationary lift for roadway vehicle or required component...
Having specific drive means for support
187112, B66B 1712
Patent
active
051274930
ABSTRACT:
An elevator system driven by a linear motor and elevated up and down in a hoistway including a cage, a counter weight and a hoisting rope having both ends by and from which the cage and the counter weight are suspended so as to be alternatively elevated up and down in the hoistway. A reaction plate is supported by the side wall of the hoistway throughout an entire vertical length of the side wall. A stator is secured to the counter weight at a portion facing the reaction plate with a small gap therebetween and a guide is secured to the counter weight for guiding the elevation thereof. The guide is a guide roller structure comprising a support plate secured to the counter weight by a bolt, an adjusting rod engaged with the support plate on a side opposing to the reaction plate for adjusting a securing position of the support plate and a guide roller abutting against the reaction plate so as to be rollable therealong. The guide roller may be replaced with a guide shoe secured to the counter weight and mounted to the reaction plate to be slidable therealong. The guide may include a combination of a guide shoe and a guide roller.
REFERENCES:
patent: 3845842 (1974-11-01), Johnson
patent: 5005672 (1991-04-01), Nakai et al.
Nakagawa Toshiaki
Yasuda Kunio
Kabushiki Kaisha Toshiba
Noland Kenneth
Skaggs H. Grant
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