Ballast apparatus and crane, in particular crawler-mounted crane
US-10124994-B2 · Nov 13, 2018 · US
Method of operating a crane and crane
US9102507B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9102507-B2 |
| Application number | US-201213535472-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 28, 2012 |
| Priority date | Jun 29, 2011 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
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.
The present invention relates to a method of operating a crane having a movable undercarriage and a superstructure rotatably supported thereon with a luffable main boom and derrick boom arranged thereon, wherein an auxiliary crane having a telescopic boom is connected to the crane as derrick ballast and the derrick ballast radius is set via the telescopic boom of the auxiliary crane.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method of operating a crane ( 100 ) having a movable undercarriage ( 1 ) and a superstructure ( 4 ) rotatably supported thereon with a luffable main boom ( 5 ) and derrick boom ( 10 ) luffably arranged thereon, comprising the steps of moving an auxiliary crane ( 20 ) having a telescopic boom ( 25 ) into position in vicinity of the crane undercarriage ( 1 ) and superstructure ( 4 ), the telescopic boom ( 25 ) comprising a roller head ( 27 ) having bol…
Assignees
Inventors
Classifications
- B66C23/76Primary
Operations & Transport · mapped topic
Patent family
Related publications grouped by family.
External sources
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US9102507B2 cover?
- The present invention relates to a method of operating a crane having a movable undercarriage and a superstructure rotatably supported thereon with a luffable main boom and derrick boom arranged thereon, wherein an auxiliary crane having a telescopic boom is connected to the crane as derrick ballast and the derrick ballast radius is set via the telescopic boom of the auxiliary crane.
- Who is the assignee on this patent?
- Willim Hans-Dieter, Liebherr Werk Ehingen
- What technology area does this patent fall under?
- Primary CPC classification B66C23/76. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Aug 11 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).