Electromagnetic relay
US-2017301497-A1 · Oct 19, 2017 · US
Electromagnetic relay
US11043347B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11043347-B2 |
| Application number | US-201816174872-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 30, 2018 |
| Priority date | Nov 22, 2017 |
| Publication date | Jun 22, 2021 |
| Grant date | Jun 22, 2021 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
An electromagnetic relay includes a fixed spring, a fixed contact configured to be swaged so as to be attached to the fixed spring, a movable spring, and a movable contact provided on the movable spring so as to be capable of making contact with the fixed contact, wherein a swaged portion of the fixed contact is formed so as not to protrude from a surface of the fixed spring.
First claim
Opening claim text (preview).
What is claimed is: 1. An electromagnetic relay comprising: a fixed spring having a hole penetrating therethrough; a fixed contact inserted into the hole; a movable spring; and a movable contact provided on the movable spring to make contact with the fixed contact, wherein a first surface of the fixed spring opposite a second surface thereof facing the movable contact has a recess, the recess being formed in a stepped shape around an entire outer edge of the hole penetrating through the fixed spring, and a portion of the fixed contact is swaged to extend in the recess, so that the first surface of the fixed spring with the fixed contact is flat without a protrusion. 2. The electromagnetic relay according to claim 1 , wherein a contact of the electromagnetic relay is a transfer contact, the fixed spring includes a make spring and a break spring, the fixed contact includes a make contact provided on the make spring and a break contact provided on the break spring.
Assignees
Inventors
Classifications
Bases; Casings; Covers (frames for mounting two or more relays or for mounting a relay and another electric component H02B1/01, H04Q1/08, H05K) · CPC title
having special features for supporting, locating or pre-stressing the contact blade springs · CPC title
Mounting complete relay or separate parts of relay on a base or inside a case · CPC title
Parts movable about a knife edge · CPC title
Contact arrangements · CPC title
Patent family
Related publications grouped by family.
External sources
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US11043347B2 cover?
- An electromagnetic relay includes a fixed spring, a fixed contact configured to be swaged so as to be attached to the fixed spring, a movable spring, and a movable contact provided on the movable spring so as to be capable of making contact with the fixed contact, wherein a swaged portion of the fixed contact is formed so as not to protrude from a surface of the fixed spring.
- Who is the assignee on this patent?
- Fujitsu Component Ltd
- What technology area does this patent fall under?
- Primary CPC classification H01H50/56. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Jun 22 2021 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).