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Device for guiding a spring in a control mechanism and electrical protection apparatus including it

A guide device and control mechanism technology, applied in the field of guide spring devices, can solve problems such as wear of the guide device, wedging of guide elements, etc.

Active Publication Date: 2017-08-04
SCHNEIDER ELECTRIC IND SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In fact, in such a mechanism of small overall dimensions, the guiding means may be subject to wear after a great deal of manipulation, leading to wedging of the guiding elements, thus preventing any further manipulation

Method used

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  • Device for guiding a spring in a control mechanism and electrical protection apparatus including it
  • Device for guiding a spring in a control mechanism and electrical protection apparatus including it
  • Device for guiding a spring in a control mechanism and electrical protection apparatus including it

Examples

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Embodiment Construction

[0026] The figure shows a device according to the invention for guiding a spring 1, which may form part of a control mechanism of an electrical protection device, such as a circuit breaker.

[0027] In a manner known per se, the device is intended to be placed between two shafts 2, 3 called the switch shaft and the ground isolator shaft, respectively.

[0028] in figure 1 with figure 2 In the two embodiments of the device according to the invention shown, each shaft is equipped with a double crank 4, 5 respectively, the two elements of the double crank 4a, 4b; 5a, 5b have a position substantially perpendicular to the shaft 2, 3 the plane of the plane of the axis of rotation.

[0029] Mounted on each of these cranks 4, 5 are shafts 6, 7 extending in a direction substantially perpendicular to the plane of the corresponding crank. The shafts 6, 7 are used to communicate with a set of two so-called connecting rods 8, 9 In cooperation, the rod is mechanically connected to the two shafts...

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Abstract

The present invention relates to a device for guiding a spring belonging to a control mechanism, said device comprising two connecting rods capable of sliding with respect to each other and hingedly connected respectively by their free ends to two axes of which at least one of which is mechanically connected to a so-called maneuvering shaft and a compression spring supported by its two opposite ends respectively on the two aforementioned axes. This device is characterized in that it comprises means for slidingly guiding the two connecting rods with respect to one another, a closed oblong orifice (20) formed at one of the ends of each of the connecting rods, an orifice (21) formed at the other end of each of the connecting rods, these connecting rods being mounted head to tail, the closed oblong orifices (20) being capable of retaining the two axes (6, 7) respectively, the two open slots (21) being able to let the two axes (6, 7) escape respectively, so as to vary the guide stroke.

Description

Technical field [0001] The present invention relates to a device for guiding a spring in a control mechanism, the device comprising two rods adapted to slide relative to each other and respectively hinged to two shafts, at least one of which is mechanically connected to an operating shaft, and a compression spring, the The two opposite ends of the compression spring are supported on each of the aforementioned two shafts. Background technique [0002] The known guiding device of this type is used to guide the compression spring, and its function is to provide additional assistance, aiming to increase the power and speed of the user's manipulation using the output shaft of the mechanism, or to equip the spring by compression and suddenly make The pressure of the spring generates the driving force of the output / drive device. [0003] Therefore, such a subassembly can be installed between the two shafts of the respective operating cranks belonging to the two shafts or between the oper...

Claims

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Application Information

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IPC IPC(8): H01H3/30
CPCH01H3/3005H01H3/30H01H3/3047
Inventor F.科勒斯
Owner SCHNEIDER ELECTRIC IND SAS
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