Disc player
AssigneePioneer Corporation
InventorsYoshihiro Ichikawa, Masayuki Saitoh, Shogo Sato, Yoshitake Shimada
Life of this patent
Estimating the term…
Abstract
A linear rack gear is formed on the underside of a slide base, and a planetary gear provided in a chassis, which rotates in engagement with this linear rack gear, causes the slide base to move back and forth. When the slide base is located in its disc store position, the planetary gear engages with a first arcuate rack gear formed in the chassis continuously with the linear rack gear and revolves in accordance therewith, whereupon a clamp causes a clamp cam to slide in a lateral direction to move a float base up and down, thereby achieving clamp and release of a disc, so that the disc player can be manufactured at low cost due to a reduced number of parts in excellent production efficiency.
Claims7
A disc player comprising:
- a chassis;
- a slide base supported on the chassis so as to be movable in forward and backward directions between a disc exchange position and a disc store position, the slide base capable of holding a disc as a recording medium thereon;
- a clamp mechanism for clamping a disc to be played at a disc play position;
- a planetary gear mechanism for alternatively causing the movement of the slide base in forward and backward directions and a clamping operation by the clamp mechanism with a single drive source, said planetary gear mechanism including
- a sun gear rotatably mounted on said chassis and driven by said drive source,
- a planetary gear rotated by a drive force transmitted from said sun gear, and
- a rotary member provided with said planetary gear and mounted on said chassis such as to be rotatable around a center axis of said sun gear;
- a linear rack gear formed on a bottom face of said slide base, said slide base being moved in forward and backward directions by rotation of said planetary gear in engagement with said linear rack gear;
- and
- a first arcuate rack gear formed in said chassis at a position such that it locates adjacent said linear rack gear when said slide base is located at the disc store position so as to allow said planetary gear to engage therewith consecutively from the linear rack gear, the clamping operation of a disc by said clamp mechanism being performed by a revolving movement of said planetary gear in engagement with the first arcuate rack gear.
Dependencies are inferred from the claim text.