(under subclass 97) Miscellaneous linear cable load-suspension hoists which hoist the load, automatically secure it to a carriage, traverse the carriage, and detach the load from the carriage at a second point, thereby allowing it to be lowered by slacking the hoist-rope.
SEE OR SEARCH THIS CLASS, SUBCLASS:
110+, for similar devices in which the hoisting rope is secured to the carriage by a rope-gripping device.
115, for similar devices comprising a traveling drum or
sheave, around which the hoisting rope passes, and a pawl and ratchet cooperating therewith.
