Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1977-11-08
1979-11-13
Nase, Jeffrey V.
Elevator, industrial lift truck, or stationary lift for vehicle
Stationary lift for roadway vehicle or required component...
Having specific drive means for support
187 24, B66B 908
Patent
active
041740238
ABSTRACT:
A stair lift has a load bearing part with a guide rail for extending up one side of a stairway, a lead screw in the guide rail and a corresponding threaded part carried near and co-operating with the lead screw and a motor and/or turning means for rotating the lead screw wherefor no pit needs excavation an electric motor preferably locating at the head of the stairs and a chain and/or platform may span the stairs to another guide rail extending thereup.
REFERENCES:
patent: 2207544 (1940-07-01), Knudsen
patent: 2270735 (1942-01-01), Knudsen
patent: 2856027 (1958-10-01), Schryver
patent: 4050546 (1977-09-01), Wilson, Jr.
LandOfFree
Stairlift does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Stairlift, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Stairlift will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2268797