Elevator – industrial lift truck – or stationary lift for vehicle – Having specific load support drive-means or its control – Includes control for power source of drive-means
Patent
1998-12-22
2000-12-19
Olszewski, Robert P.
Elevator, industrial lift truck, or stationary lift for vehicle
Having specific load support drive-means or its control
Includes control for power source of drive-means
187373, 187288, 187376, 188188, B66B 504
Patent
active
061616532
ABSTRACT:
A ropeless governor system is provided for governing the speed of an elevator car (2) in the event of an overspeed condition. An actuator for a safety device (30) is positioned in close proximity to an elevator rail (14) and activated to come into contact and provide a dragging force against the rail in the event of an overspeed condition. The ropeless governor is coupled to an elevator safety braking system (26, 28) such that the dragging force activates the safety brakes. A safety controller (91) is used to determine if the speed of the elevator car has exceeded a predetermined threshold level and to produce a triggering signal (96) to operate the ropeless governor.
REFERENCES:
patent: 4538706 (1985-09-01), Koppensteiner
patent: 4662481 (1987-05-01), Morris et al.
patent: 4819765 (1989-04-01), Winkler et al.
patent: 5052523 (1991-10-01), Ericson
patent: 5065845 (1991-11-01), Pearson
patent: 5096020 (1992-03-01), Korhonen
patent: 5224570 (1993-07-01), Fromberg
patent: 5323877 (1994-06-01), Mori
patent: 5377786 (1995-01-01), Nakagawa
patent: 5487450 (1996-01-01), Gerber
patent: 5628385 (1997-05-01), Yumura et al.
patent: 5648644 (1997-07-01), Nagel
patent: 5648645 (1997-07-01), Arpagaus et al.
patent: 6003636 (1999-12-01), Yumura
Otis Invention Disclosure No. OT-4556 entitled Mechanical Resetting for Switch (Apolo Governor) dated Apr. 27, 1999.
Calcasola Richard
Skalski Clement Alexander
Wan Samuel C.
Olszewski Robert P.
Otis Elevator Company
Tran Thuy V.
LandOfFree
Ropeless governor mechanism for an elevator car does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Ropeless governor mechanism for an elevator car, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ropeless governor mechanism for an elevator car will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-264178