CS220575B1 - Leverage for parallel displacement and turning of horizontal plates - Google Patents

Description

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Claims (5)

. - SUBJECT OBJECT A lever linkage for parallel displacement and pivoting of a horizontally-mounted plate in the x, y-coordinate direction and consisting of a pantograph with handles on the guide arms, to which an elongate lever applied in the frame is preferably associated with a decreasing movable portion between the corner point and the secured point. a point that at the same division pitch (a: b * a ': b'® a ": b") has two joint centers, characterized in that the bendable arms (3 *; 4'} of the sliding parallelogram are articulated at two centers) of the joint (H $ J) preferably on the edge plates (8 *) of preferably rectangular shape and their extended lines of action intersect at one point (M *), parallel to the arm (3 *) between the first central joint (D) of the extended lever (5) and with the third center of the hinge (G *) located on the plate (8 *) a rocker (6 ') of a length equal to the length of the arm (3 *) is provided, the handles (A; B) being interchangeable measuring screws (A *; A ”; B ') 2. A lever transmission according to claim 1, characterized in that the measuring screw (B ') with the plate shifting spindle (8 *) is hingedly connected instead of the rocker arm (7) as a handle with the center of the joint (E) of the lever (5). in the direction of Lf A lever transmission according to claim 1 or 2, characterized in that the measuring screw (A *) is connected to the corner for moving the pusher (8 *) in the coordinate direction as the handle with the corner point (C) of the control arm (1). ya the measuring screw (A ") by the spindle for moving the plate (8 *) in the x-coordinate direction, which is articulated with the shortened guide arm (1 *) separated from the corner point (C), the end of the shortened guide arm (1 *) ) adjacent to the stop (P *) provided on the frame - / i - with the center of the hinge (L) with the roller moving in the direction of the coordinate 7, the plate connection (8 *) and the drive arm (4 *) at the point ( J *) is rigid · 4. Lever transmission according to claim 3, characterized in that the center of the hinge (K) provided on the truncated guide arm (1 *) is pantographed at a spacing (a: b · a'i b * «and": b "and" *: b ”*) the point of engagement of the driven arm (4 *) and the control arm (1) · 5. A lever transmission according to claim 2, characterized in that the measuring screws (A *, B *) are displaceably supported on the stops (? ') Secured to the frame in the direction of the coordinate x and the measuring screw (A') in the direction y. drawing Recognized by the invention on the basis of the results of an expert review by the Office of Invention and Patenting, Berlin, DD