B - Operations – Transporting – 66 – B
Patent
B - Operations, Transporting
66
B
B66B 9/187 (2006.01) B66F 3/02 (2006.01) E04G 3/28 (2006.01)
Patent
CA 2602739
A power lift system is disclosed for use in association with scaffolding type systems. The system is designed to be erected in close proximity to a building wall or other support structure and is used to lift substantial loads to a desired elevation. The lift system has particular application for use in association with construction and/or the repair of a structure where a crane or elevator is not suitable or available. The power lift system comprises at least one vertical lift combination that comprises an upright member and an associated carrier, the upright member has a rack portion on an exterior surface thereof that extends in the length of the upright member, the carrier is mounted on and moveable in the length of the upright member with the carrier sleeving the upright member, an open slot is provided in the carrier opposite the rack portion and this slot extends the length of the carrier, the vertical lift combination includes a self breaking motor drive and gear train mounted on the carrier and including a drive port in the carrier on a surface of the carrier opposite the open slot with a gear of a gear train extending through the port and engaging the rack portion, the carrier above and below the motor drive includes the means for releasably receiving load arms and these load arms are designed to support a work surface outwardly of the carrier. The power lift system preferably includes at least two vertical lift combinations spaced apart from one another and maintained in a parallel manner. A common work deck can be supported between the two vertical lift combinations.
Dennison Associates
Taberah Joseph
LandOfFree
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