Construction machine

US8944202B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8944202-B2
Application numberUS-201113702862-A
CountryUS
Kind codeB2
Filing dateJun 7, 2011
Priority dateJun 9, 2010
Publication dateFeb 3, 2015
Grant dateFeb 3, 2015

How to read this patent

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  1. Title

    What the patent document calls the invention.

  2. Abstract

    A short plain-language summary of the technical disclosure.

  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

    The legal scope of protection — read this for what is actually claimed.

  6. CPC / IPC classifications

    Technology tags used to group this patent with similar filings.

  7. Citations and related patents

    Prior art links and similar publications in this corpus.

Abstract

Official abstract text for this publication.

A compact excavator includes an operator's cab with a door capable of opening and closing an opening surface forming a boarding port. The door includes one door piece, and has a flexing portion which is closer to a front pillar than the central portion of the door when the door is in a closed state. The flexing portion is shaped to have a first area so formed that when the door is in a closed state, the first area approaches the opening surface as the first area approaches the front pillar, and a second area arranged continuously with the first area and nearer the front pillar than the first area and being formed so that the second area draws away from the opening surface as the second area approaches the front pillar.

First claim

Opening claim text (preview).

The invention claimed is: 1. A construction machine, comprising: an undercarriage, an upper structure disposed on the undercarriage, a work device attached to the upper structure, and an operator's cab provided on the upper structure and having a door capable of opening and closing an opening surface forming a boarding port, the operator's cab including a front pillar and a door mounting pillar which are provided to put the boarding port therebetween, the front pillar being dispos…

Assignees

Inventors

Classifications

  • Operations & Transport · mapped topic

  • E02F9/163Primary

    Fixed Constructions · mapped topic

  • Operations & Transport · mapped topic

  • Operations & Transport · mapped topic

  • Fixed Constructions · mapped topic

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Frequently asked questions

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What does patent US8944202B2 cover?
A compact excavator includes an operator's cab with a door capable of opening and closing an opening surface forming a boarding port. The door includes one door piece, and has a flexing portion which is closer to a front pillar than the central portion of the door when the door is in a closed state. The flexing portion is shaped to have a first area so formed that when the door is in a closed s…
Who is the assignee on this patent?
Tanaka Tomoyuki, Ishii Hajime, Kimura Shougo, and 1 more
What technology area does this patent fall under?
Primary CPC classification E02F9/163. Mapped technology areas include Fixed Constructions.
When was this patent published?
Publication date Tue Feb 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 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).