B - Operations – Transporting – 66 – C
Patent
B - Operations, Transporting
66
C
212/1
B66C 13/00 (2006.01)
Patent
CA 2039091
ABSTRACT OF THE DISCLOSURE A removable hoist system for a doorway of a van which comprises, when in position, a post vertically mounted in the doorway and an arm having one end secured to the post. The arm during operation extends horizontally from the post and a lift means is secured to the other end of the arm, for lifting or lower objects with respect to the van. A lower plate is secured to the floor of the van where the post is mounted and an aperture centrally positioned in the plate, and an upper plate is secured to a frame portion of the van in the upper part of the doorway, vertically above the lower plate with an aperture centrally positioned in this upper plate. Pins removably received in the aperture of the plates to hold the post in vertical osition during operation outwardly extend from the ends of the post. The post is of a length so that when it is in position with its pins in the apertures there is sufficient clearance at the top to permit lifting of the post so that the lower pin is clear of the aperture for removal of the post. The plates have sufficient load bearing strength when secured in position in the van to withstand a predetermined weight of object when lifted or lowered by the lift means.
Boissonneault Gaston
Kent & Edgar
LandOfFree
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