Patents Assigned to Jack Roland
  • Patent number: 4210352
    Abstract: This invention relates to an apparatus for hoisting loads, such as pulp bales (2), particularly from a wharf into the hold of a ship and vice versa. The apparatus has a number of gripping devices (33) which, by means of a control mechanism, are automatically put into either an operative or an inoperative condition. According to the invention each gripping device has one or more gripping claws (37) which are arranged on one and the same level relative to a holder (4) for the device irrespective of whether the gripping claw is kept in the operative position or is remote from said position.
    Type: Grant
    Filed: September 21, 1978
    Date of Patent: July 1, 1980
    Assignee: Jack Roland
    Inventor: Goran Eriksson