Implements or apparatus for applying pushing or pulling force – Apparatus for hauling or hoisting load – including driven... – Device includes rotatably driven – cable contacting drum
Reexamination Certificate
2005-07-26
2005-07-26
Marcelo, Emmanuel (Department: 3654)
Implements or apparatus for applying pushing or pulling force
Apparatus for hauling or hoisting load, including driven...
Device includes rotatably driven, cable contacting drum
C254S278000
Reexamination Certificate
active
06921061
ABSTRACT:
A hoisting apparatus with a horizontal stabilizing means for a load holder is provided. This apparatus comprises a base secured to a ceiling, a load holder, to which a load is detachably attached, a pair of cables extending between the base and the load holder, and a drive means mounted on the base, which is operative to take in or let out the cables from the base. The horizontal stabilizing means includes a shaft horizontally supported in the load holder to be freely rotatable, around which the cables are wound in opposite winding directions to each other. The horizontal stabilizing means is operative to correct an inclination of the load holder in a horizontal position by unwinding a required length of one of the cables from the shaft and at the same time winding the same length of the other one around the shaft.
REFERENCES:
patent: 1092670 (1914-04-01), Smith
patent: 4927537 (1990-05-01), Meurer
patent: 4986915 (1991-01-01), Meurer
patent: 6102372 (2000-08-01), Gersemsky et al.
patent: 6105938 (2000-08-01), Koida
patent: 1 193 442 (2002-04-01), None
Hayashi Ken'ichiro
Shimizu Toshiyuki
Marcelo Emmanuel
Matsushita Electric & Works Ltd.
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