Crane

Traversing hoists – Boom or mast – Extensible by sliding sections

Reexamination Certificate

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Details

C384S010000

Reexamination Certificate

active

10929540

ABSTRACT:
A crane has at least one telescopic crane arm with at least two sliding arms that are moveable against each other. At least one gliding element, which is housed in a frame in a detached and unfastened manner, is arranged between the sliding arms. The gliding element has a separate spring element projecting from the gliding surface of the gliding element.

REFERENCES:
patent: 1952379 (1934-03-01), Lee
patent: 3719403 (1973-03-01), Sung
patent: 4168008 (1979-09-01), Granryd
patent: 4304449 (1981-12-01), Litchfield et al.
patent: 4385704 (1983-05-01), Spain et al.
patent: 4423914 (1984-01-01), Vander Ley
patent: 4555148 (1985-11-01), de Willigen et al.
patent: 4652146 (1987-03-01), Ellermann et al.
patent: 4793765 (1988-12-01), Paul et al.
patent: 4986674 (1991-01-01), Decker et al.
patent: 5143454 (1992-09-01), Morita
patent: 5624047 (1997-04-01), Challberg et al.
patent: 5639177 (1997-06-01), Thomas
patent: 6499612 (2002-12-01), Harrgington et al.
patent: 2442285 (1976-03-01), None
patent: 2002-8328 (2002-01-01), None
patent: 95/16145 (1995-06-01), None

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