Implements or apparatus for applying pushing or pulling force – Hoisting truck – Platform type
Patent
1979-03-30
1984-09-11
Watson, Robert C.
Implements or apparatus for applying pushing or pulling force
Hoisting truck
Platform type
254 93HP, 180125, 180128, 180124, 414498, B60P 100
Patent
active
044705786
ABSTRACT:
The invention concerns a load transfer device with a platform which is insertable below and movable with a load and equipped with a number of at least in one row below the platform arranged lifting means for elevating and lowering of the platform. For enabling the transfer device together with its load to be moved from a base, e.g. a floor, to another base, e.g. a loading platform, situated at a lower or higher level the lifting means are capable in each row individually or in groups alternatively of varying the distance between the base in question and the platform of the transfer device, whereas the latter is provided with feeling means which are capable of connecting the lifting means to a source of energy when the lifting means in question reaches a base situated on a lower level and of disconnecting this lifting means from the source of energy when said lifting means reaches a base on a higher level.
REFERENCES:
patent: 3010698 (1961-11-01), Allen et al.
patent: 3267882 (1966-08-01), Rapson et al.
patent: 3796279 (1974-03-01), Burdick et al.
Arvidsson Lars I.
J/o/ negren Stig T.
Idux Industriell Exploatering Aktiebolag
Watson Robert C.
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