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Hangar
| Details |
Inventors: Frantl, Erich; Frantl, Werner;
Assignee:
Primary Examiner: Nguyen; Kien T.
Assistant Examiner:
Attorney, Agent or Firm: Young & Thompson
A gate girder (5)is provided over the gateway opening of a hangar. To diminish the roof load and working load stressing the gate girder (5), it is supported by at least one girder support (1), which can be combined with a sliding gate plate (1'). On the lower and upper edges of girder support (1), rollers (9, 10) are provided, which are at equal distances from one another. To assure a uniform stress both of the upper support of gate girder (5) and of lower footing (6), in each case pairs of upper rollers (9) are mounted by levers (7) on supports (16), which are guided vertically movable in sliding gate panel (1'). In addition, a freely rotatable roller (15)is mounted on each support (16). A steel cable (18) wound around rollers (15), is placed over each roller (15), which in addition is guided by deflecting rollers (14) mounted freely rotatable on girder support (1), and is fixed with its ends (19) to the girder support (1). Thus, only forces of equal size can be accommodated by upper rollers (9), which are passed on by lower rollers (10), which are mounted by levers (7') on push rods (20), which are fastened to girder support (1), uniformly and only of equal size to footing (6). |
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DETAILED DESCRIPTION What is claimed is: 1.
A hangar having a gateway opening, a gate girder (5) lying on its ends on end supports of the hangar and overlying the gateway opening, and a footing (6) on the lower edge of the gateway opening, the gate girder (5) being supported by at least one girder support (1) on said footing (6), said girder support (1) being guided movably on rollers (9, 10) on said gate girder (5) and on said footing (6), said girder support (1) being integrated in a gate plate (1') movable for opening and closing the gateway opening.
2.
A hangar according to claim 1, wherein said rollers (9, 10) are mounted on the upper edge of said girder support (1) and on the lower edge of the girder support (1) so that the forces exerted by the gate girder (5) on the girder support (1) are distributed among said rollers (9, 10).
3.
A hangar according to claim 2, wherein said rollers (9, 10) are so mounted that said forces are distributed uniformly on said rollers (9, 10).
4.
A hanger according to claim 1, wherein said rollers (9, 10) are mounted freely rotatably on levers (7), and wherein said levers (7) are mounted to swivel on said girder support (1).
5.
A hangar according to claim 4, wherein said levers (7) are equal-armed levers.
6.
A hangar according to claim 1, wherein on the upper edge of said girder support (1) and on the lower edge of said girder support (1), in each case an even number of rollers (9, 10) is provided.
7.
A hangar according to claim 1, wherein said rollers (9) on the upper edge of said girder support (1) are at distances of equal size from one another.
8.
A hangar according to claim 1, wherein said rollers (10) on the lower end of said girder support (1) are at distances of equal size from one another.
9.
A hangar having a gateway opening, a gate girder (5) lying on its ends on end supports of the hangar and overlying the gateway opening, and a footing (6) on the lower edge of the gateway opening, the gate girder (5) being supported by at least one girder support (1) on said footing (6), said girder support (1) being guided movably on rollers (9, 10) on said gate girder (5) and on said footing (6), said rollers (9) being arranged on the upper edge of said girder support (1) carrying said rollers (9) on push rods (16), which are guided vertically movably on said girder support (1), and wherein said push rods (16) are coupled with one another by a flexible tension member (18)
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