Portable computing device
US-9829932-B2 · Nov 28, 2017 · US
US8925874B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8925874-B2 |
| Application number | US-201113166218-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 22, 2011 |
| Priority date | Jun 22, 2011 |
| Publication date | Jan 6, 2015 |
| Grant date | Jan 6, 2015 |
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
What the patent document calls the invention.
A short plain-language summary of the technical disclosure.
Who owns or filed the patent and who is credited as inventor.
Filing, priority, publication, and grant dates set the timeline.
The legal scope of protection — read this for what is actually claimed.
Technology tags used to group this patent with similar filings.
Prior art links and similar publications in this corpus.
Official abstract text for this publication.
An anti-tamper device in the form of a collar fitted about a housing is provided. The ends of the collar are formed into lock tabs, one of which is formed into a U-shaped portion, or V-shaped portion, to permit capture of the end of the other lock tab. Movement of the captured tab is prevented to resist tampering with the housing. Embodiment of the invention find application, in particular, to a housing for a bell at a railroad level crossing, and prevents loss of the bell due to vandalism.
Opening claim text (preview).
What is claimed is: 1. An access control point traffic barrier, said barrier comprising: a post; a sounding device assembly mounted at a first end of the post, the sounding device assembly having a housing surrounding a sounding device; and an anti-tamper device comprising: a collar fitted about the housing to prevent access to the housing, the housing being provided with tabs to prevent movement of the collar relative to the housing in a first direction, the collar comprisin…
Mechanical Engineering · mapped topic
Mechanical Engineering · mapped topic
Cross-Sectional Technologies · mapped topic
Cross-Sectional Technologies · mapped topic
Cross-Sectional Technologies · mapped topic
Related publications grouped by family.
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Answers are generated from the same data shown on this page.