Supports – Brackets – Specially mounted or attached
Patent
1995-08-17
1998-08-18
Braun, Leslie A.
Supports
Brackets
Specially mounted or attached
248207, 24822252, 24822341, 411 85, 411551, A47B 9606
Patent
active
057949018
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a functional component usable for demonstration and/or training purposes in accordance with the preamble of claim 1.
In order to facilitate the understanding of individual structural elements or complete circuits it is customary, in particular, in the fields of pneumatic, hydraulic and electronic to provide practical sets. In the case of the device of the aforementioned type known from DE-GM 75 07 762 a plate-like support is used which has a multitude of bores in a screen into which the individual functional elements can be plugged. Each functional element is provided with a pneumatic, hydraulic, electric or electronic equipment, for example, valves, operating cylinders, manometers, connecting sleeves for electric or pneumatic lines, electronic controls, etc. The functional elements may be mounted in accordance with a circuit diagram and subsequently connected with each other in the required manner either fluidically and/or electrically.
In devices of the aforement type as described in DE-U-9115943 or U.S. Pat. No. 4,650,425, the mounting of the functional elements is performed on plate-like supports which are equipped with mounting recesses. A clamping element formed from a sliding block is inserted into a mounting recess and rotated to the abutment, so that during the subsequent further rotation, a clamp operation is triggered along with the cooperating thread part.
During the mounting of a functional element on the support, it is required to hold the functional element with one hand in the desired position until the clamping operation is completed. This is true in particular with oblique installed supports. If the functional elements are subjected to dynamic stress during operation, it is possible that the clamping force is somewhat diminished so that the functional element moves out of place.
It is an object of the subject invention to provide a functional element of the aforementioned type permitting a more flexible structure of devices to be demonstrated, providing a simple handling and an improved mounting security even during dynamic stress.
This object is solved by the characterizing features of claim 1.
The functional element is so designed that it can be releasably mounted on a support which is provided with at least one groove-like recess. Supports of this type are known, for example, from DE-OS 40 10 840. It may consist of an extrusion pressed plate-like material which is provided with a multitude of linear mounting recesses extending parallel with a distance to each other, whereby the functional element can be releasably anchored in a given available mounting recess. As a mounting device of the inventive functional element, a clamping device is provided which has a downwardly directed protruding clamping element which, in the mounted position of the functional element, engages into the selected mounting recess. In its locked position, the clamping element engages behind a retaining protrusion of the mounting recess with its clamping head, so that a release of the functional element from the mounting face is prevented. The firm mounting is obtained in that the clamping head is pretensioned against the retaining protrusion by maintaining its locked position. The actuation of the mechanism with respect to locking and releasing is executed in a simple manner by a mere rotating of an actuating element which is connected with the clamping element by means of a thread connection. Generally, a tool is not required, because the force of the human hand is sufficient for actuating the device. It is of particular advantage that the functional element can be arranged and clamped stepless at any given position along the given mounting recess. That at least one centering element, which immerses into the associated mounting recess in the mounted position, contributes to the accurate positioning of the functional element with respect to the support. It prevents a sliding out of place of the functional element so that even during a dynamic stress, a secure mounting is always assured on
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Berger Derek J.
Braun Leslie A.
Festo KG
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