Jack system for lifting roof mounted air conditioners

Details Jack system for lifting roof mounted air conditioners Jack system for lifting roof mounted air conditioners

1988-02-08

1988-12-27

Schmidt, Frederick R.

Implements or apparatus for applying pushing or pulling force

Multiple lifters

B66F 712

Patent

active

047935936

ABSTRACT:
A load lifting device for temporarily lifting and supporting roof mounted equipment such as air conditioning units so that roof repairs may be made includes spaced beam sections insertable under the roof mounted equipment and jacks for raising such equipment off the roof. Each beam section includes an outer end which is raised relative to the portion inserted under the equipment, the jacks being received under the raised ends. The beam sections include stops which are positioned adjacent the equipment to keep the jacks spaced laterally of the equipment. After the repairs, the roof mounted equipment is lowered into place.

REFERENCES:
patent: 282436 (1883-07-01), Bowser
patent: 515620 (1894-02-01), Schmidt et al.
patent: 4491452 (1985-01-01), Matovich

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