Optical disk apparatus
US7725908B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2007 |
| Grant date | May 25, 2010 |
| Priority date | — |
| Expiry date | Oct 26, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B17/056
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In an optical disk apparatus, an ejection lock mechanism includes three (3) arm portions; i.e., a lock arm for locking a tray, being engaged with a lock member provided on a housing, a drive arm, in contact with the lock arm, for moving the lock arm to a position of being engaged with or releasing from engagement with the lock member, a solenoid having a movable plunger to be engaged with the drive arm, and a reset arm for restoring the plunger of the solenoid, wherein the reset arm is made up with an arm portion and an elastic portion, which are formed in one (1) body (as a unit) from a plastic, and the arm portion has two (2) arm pieces, and wherein a first arm piece has a function for moving the drive arm to the position of releasing from engagement with the lock member, through rotation thereof while being in contact with the lock member, and a second arm piece has a function for restoring the drive arm to a plunger storing portion of the solenoid, with a biasing force of the elastic portion, and the elastic portion has the “U”-shaped portions, turning round to the reset arm through an upper portion of the drive arm, whereby rotation of the first arm piece in contact with the l…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.