Elevator – industrial lift truck – or stationary lift for vehicle – Industrial lift truck or required component thereof – Having specific load support structure
Patent
1993-04-21
1994-12-27
Noland, Kenneth W.
Elevator, industrial lift truck, or stationary lift for vehicle
Industrial lift truck or required component thereof
Having specific load support structure
254122, B66B 1104
Patent
active
053756819
ABSTRACT:
The present invention overcomes existing problems by the provision of a lifting device below the lowest shanks and endwards of the platform. The lift stroke of the highest scissor obtains thereby a many times longer stroke relative to the very short stroke of the lifting device. In another preferred arrangement of the invention, two columns of scissors are mounted parallel laterally of each other for synchronized operation. The highest scissor-shanks then connect to top arms which bear holder shafts on which holders are kept to extend downwards from the holder shafts. The holders then carry on their lower ends the platform, whereby the platform can become sank down for meeting the level of the ground for an easy loading of the platform. The holders with the platform can become replaced by a cabin. The lifting device of the invention requires thereby only small space for instalment in a house or a hall. Since the device of the invention is "self-holding", a structure to hold or guide the lift is not necessary and the lift of the invention can therefore be applied also in wooden houses or halls.
REFERENCES:
patent: 12675 (1855-04-01), Eames
patent: 3476016 (1969-11-01), Dixon et al.
patent: 3486583 (1969-12-01), Wiklund
patent: 5215287 (1993-06-01), Leski
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