Construction machine
US7575272B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 26, 2005 |
| Grant date | Aug 18, 2009 |
| Priority date | — |
| Expiry date | May 26, 2025 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F9/163
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A folding type door is fitted in a cab box. Two door panels and are disposed substantially in the same vertical plane as a left side cover of an upper revolving structure when said door in a closed position. Catches and are provided in a left rear side section of the cab box. Provided on door panels and of the folding type door are strikers and to be attachably or detachably engaged with the catches and separately of each other. When the folding type door is opened, the respective door panels and are each retained in an open door position by engagement of two sets of strikers and catches and which prevents rattling movements of each door panel to retain the folding type door in a stabilized state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.