Safety switch having a hold-closed function for positive opening of contact elements; and method for positive opening of contact elements of a safety switch with a locking function

US8969746B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8969746-B2
Application numberUS-86369408-A
CountryUS
Kind codeB2
Filing dateJan 29, 2008
Priority dateJan 29, 2008
Publication dateMar 3, 2015
Grant dateMar 3, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

The present invention, in at least one embodiment, relates to a safety switch with a hold-closed function, having a plunger element, which is held such that it can move, for positive opening and closing of contact elements, at least one locking element for locking and unlocking the plunger element, and a housing. At least one embodiment of the invention also relates to a method for positive opening and closing of contact elements of a safety switch with a hold-closed function, and to the use of a safety switch such as this.

First claim

Opening claim text (preview).

The invention claimed is: 1. A safety switch comprising: a movably-held plunger element configured to open or close contact elements; at least one locking element configured to lock and unlock the plunger element; a drive head; and a housing, wherein, for actuation of the plunger element by an actuation element, the plunger element is configured to be guided along an opening in the housing of the safety switch, with a first end of the plunger element configured to extend out…

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What does patent US8969746B2 cover?
The present invention, in at least one embodiment, relates to a safety switch with a hold-closed function, having a plunger element, which is held such that it can move, for positive opening and closing of contact elements, at least one locking element for locking and unlocking the plunger element, and a housing. At least one embodiment of the invention also relates to a method for positive ope…
Who is the assignee on this patent?
Puri Werner, Seidl Joachim, Siemens Ag
What technology area does this patent fall under?
Primary CPC classification H01H27/007. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Mar 03 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 7 related publications on this page (citations in our corpus or others sharing the same primary CPC).