| 摘要 |
An opening system comprising an upper bearing section bar (1) fastened to the vertical rods, a gripper for the plate (4) made up of a first section bar (2) and of a second section bar (3) and at least one moving device (5) for the plate (4); each moving device (5) is made up of a support section bar (6), a right angle gearbox, an arm (7), a gas spring (8) and a clamp (9); the right angle gearbox is made up of a first conical cogwheel (10) and a second conical cogwheel (11) engaging each other; the arm of the first conical cogwheel (10) acts as lever, transforming the axial movement of the rod of the gas spring (8) into a radial movement of the second conical cogwheel (11) and of the elements linked thereto: clamp (9), gripper for the plate (4) and plate itself (4). |
| 主权项 |
1. An opening system with right angle gearbox for facilitating raising and lowering a plate that is pivotally raised and lowered relative to a counter or cabinet to protect items placed within the counter or cabinet, the system comprising an upper bearing section bar adapted to be mounted to an upper end of at least two vertical rods of a counter or cabinet, a gripper for engaging an edge of the plate, the gripper including a first section bar and a second section bar which are mounted to and at least one moving device for the plate, wherein the at least one moving device for the plate includes, a support section bar clamped to the upper bearing section bar, a right angle gearbox including a first conical cogwheel and a second conical cogwheel engaging each other, the first conical cogwheel being pivotally mounted to the support section bar, an end of an arm is fastened to the first conical cogwheel so as to move with the first conical cogwheel, an elastic element having a first end connected to the arm spaced from the first conical cogwheel, a second end of the elastic element is pivotally secured to the support section bar, a clamp mounted to the support section bar and the second conical cogwheel is rotatably mounted to the clamp by a peg, and the two section bars being mounted to the clamp so as to rotate with the peg and the second conical cogwheel. |
