Back to results
US 5,687,816 AGranted
Underground storage space
AssigneeMannesmann Rexroth GmbH
InventorsPeter Wusthof, Erich Wirzberger
Life of this patent
Estimating the term…
Abstract
In an underground storage space, particularly for endangered goods, access is effected via a left the opening of which, leading into the storage space, can be closed by two covers which are arranged spaced apart from each other.
Claims13
An underground storage space comprising an entrance with a lift;
- wherein the lift has an opening comprising a first cover and a second cover below the first cover, the first cover comprising a swingable flap;
- the opening is closable by said first cover, and said second cover closes the entrance below said first cover;
- and
- rolling means supporting said first cover for translating said first cover toward said entrance with rotation of said first cover during a closure of said opening.
1 more element
An underground storage space comprising an entrance with a lift;
- wherein the lift has an opening comprising a first cover and a second cover below the first cover, the first cover comprising a swingable flap;
- the opening is closable by said first cover, and said second cover closes the entrance below said first cover;
- and
- said underground storage space further comprises a stationary rack and a toothed sector gear which rolls on the rack;
- wherein said flap is operable by a swinging movement which takes place via a rolling of said sector gear on said rack.
2 more elements
An underground storage space comprising an entrance with a lift;
- wherein the lift has an opening comprising a first cover and a second cover below the first cover, the first cover comprising a swingable flap;
- the opening is closable by said first cover, and said second cover closes the entrance below said first cover;
- and
- said underground storage space further comprises a hydraulic actuating cylinder for actuating said flap;
- and
- swing means for swinging said flap, and a chamber covered by a part of said flap upon a closure of said flap;
- wherein said actuating cylinder and said swing means are located in said chamber, said flap part extending above said swing means.
4 more elements
An underground storage space comprising an entrance with a lift;
- wherein the lift has an opening comprising a first cover and a second cover below the first cover, the first cover comprising a swingable flap;
- the opening is closable by said first cover, and said second cover closes the entrance below said first cover;
- said second cover is spaced apart from said first cover;
- said second cover is connected to said lift to form a unitary movable unit;
- said entrance has an enclosing wall having stops;
- and
- said second cover lies, in a lowered condition of said lift, on said stops and bears the weight of said lift.
4 more elements
An underground storage space comprising an entrance with a lift;
- wherein the lift has an opening comprising a first cover and a second cover below the first cover, the first cover comprising a swingable flap;
- the opening is closable by said first cover, and said second cover closes the entrance below said first cover;
- said underground storage space further comprises a plurality of operating cylinders for raising said lift;
- a masonry wall disposed laterally of said lift, said operating cylinders being arranged in recesses of the masonry wall;
- wherein said operating cylinders include cylinder bodies and piston rods;
- said cylinder bodies are movable with the lift and are fastened to the lift;
- and
- ends of said piston-rods are fastened, fixed in position, on said masonry wall.
5 more elements
Dependencies are inferred from the claim text.