Material or article handling – Vertically swinging load support – Door remover
Patent
1979-10-10
1981-10-27
Oresky, Lawrence J.
Material or article handling
Vertically swinging load support
Door remover
414630, 212166, B66C 2306
Patent
active
042970725
ABSTRACT:
A manway handling apparatus for handling heavy sealing manways in large shells without damaging sealing surface means therefor is provided which includes a support arm pivotally mountable on equipment having elliptical manway access openings. The support arm when mounted is swingable toward and away from an access opening and carries a bearing block supporting bracket which is longitudinal adjustably positionable on the arm. A bearing block is vertically adjustably positionable in the bracket and slidably supports a shaft which is attachable to an elliptical cover. Structure is provided for longitudinally actuating and rotating the shaft to position and rotate the cover to facilitate installation and removal of the cover through the elliptical opening. The shaft carries structure means which when actuated by turning of a crank handle is effective for tilting the cover also to facilitate its installation and removal. Releasable locking structure enables an operator to secure the shaft and rotating structure relative to the supporting structure.
REFERENCES:
patent: 14838 (1856-05-01), Green et al.
patent: 1190036 (1916-07-01), Stauft
patent: 2667276 (1954-01-01), Peterson
patent: 3212649 (1965-10-01), Johnson et al.
patent: 3503293 (1970-03-01), Sander
patent: 4206848 (1980-06-01), Weisse et al.
Fagan Robert D.
Shah Siddharth A.
Woodcock Sidney J.
Ahern John F.
Austin Ormand R.
General Electric Company
Oresky Lawrence J.
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