Land vehicles: bodies and tops – Bodies – Structural detail
Patent
1989-06-02
1991-01-22
Cherry, Johnny D.
Land vehicles: bodies and tops
Bodies
Structural detail
296201, 49450, B62D 3306
Patent
active
049865935
ABSTRACT:
A work cabin having a front windowpane, which is to be introducible and fixable in the interior roof space of the cabin, and having roller bearings, which are laterally articulated in the vicinity of corner regions of the front windowpane and are guided in two U-shaped guide rails. Respective spring cable pulleys are disposed in extensions of upper portions of the guide rails remote from the closed position of the front windowpane. Cable ends of the pulleys are guided over guide rollers and are attached to lower poritons of the front windowpane. A shaft spans the upper corner regions of the front windowpane between the roller bearings at those locations, with a hand lever being provided on the shaft for rotating the same. The upper portion of the front windowpane, which is indirectly supported on the upper roller bearings and on the guide rails, is guided into or out of the roof space via rotation of eccentric wheels that are provided laterally on the shaft, with the front windowpane thereby being releasable from or fixable to the cabin frame for the front window over the entire path of the guide rails.
REFERENCES:
patent: 788188 (1905-04-01), Chamberlin
patent: 3866969 (1975-02-01), Sandrock et al.
patent: 4009901 (1977-03-01), Barbee
patent: 4116483 (1978-09-01), Kramer et al.
patent: 4443035 (1984-04-01), Saemann
patent: 4518195 (1985-05-01), Tindall et al.
patent: 4880269 (1989-11-01), Jensen et al.
Cherry Johnny D.
O & K Orenstein & Koppel Aktiengesellschaft
Pape Joseph A.
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