Apparatus for lowering articles from a building

Details Apparatus for lowering articles from a building Apparatus for lowering articles from a building

A - Human Necessities

62

B

227/5

A62B 1/00 (2006.01)

Patent

CA 1193582

TITLE; APPARATUS FOR LOWERING ARTICLES FROM A BUILDING ABSTRACT OF THE DISCLOSURE An apparatus for lowering articles from a building including a tower having a boom extending therefrom. A transfer carriage is slideably mounted on the boom and has a latching mechanism for engagement with an end plate on the boom. The carriage also has a mechanism for engaging a cage as the cage is raised by a cable to the carriage and disengaging the cage when the cage reaches the outer end of the boom. A cable mechanism in cooper- ation with powered drum members lowers and raises the cage while alternately raising and lowering a second cage which is on a boom with a transfer carriage identical to the first mentioned boom and transfer carriage. The rate of movement of the cable and therefore the rate of travel of the cages is controlled by a hydraulic motor connected to a closed loop conduit, the conduit having an orifice preset to regulate the flow of oil to and from the motor which in turn regulates the speed of the cable drums.

441150

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