JPH0431473U

JPH0431473U -

Info

Publication number: JPH0431473U
Application number: JP6908090U
Authority: JP
Priority date: 1990-06-29
Filing date: 1990-06-29
Publication date: 1992-03-13

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例を一部を拡大して
示す縦断側面図、第２図ａ，ｂおよびｃはそのブ
ラシ部材の先端部の形状の他の実施例を示す部分
斜視図、第３図は従来のクリーナデイスクの一例
を示す平面図、第４図は第３図のクリーナデイス
クのブラシ部材とピツクアツプレンズとの接触状
態を説明するための説明図である。図面において、１はデイスク、３はピツクアツ
プレンズ、１１はブラシ部材、１２はブラシ毛、
１３は開孔、１４は貼着テープである。 FIG. 1 is a longitudinal sectional side view showing an embodiment of this invention in a partially enlarged manner; FIGS. 2 a, b, and c are partial perspective views showing other embodiments of the shape of the tip of the brush member; FIG. 3 is a plan view showing an example of a conventional cleaner disk, and FIG. 4 is an explanatory view for explaining the state of contact between the brush member of the cleaner disk of FIG. 3 and the pick-up lens. In the drawings, 1 is a disk, 3 is a pick-up lens, 11 is a brush member, 12 is a brush bristles,
13 is an opening, and 14 is an adhesive tape.

Claims

[Scope of utility model registration request]

In order to clean the pick-up lens on the surface of the disk, a brush member having a plurality of brush bristles with a diameter large enough to compensate for an error detection by the player is placed at a plurality of divided positions in the circumferential direction of the disk. each brush member is offset in the diametrical direction of the disk by a distance shorter than the diameter of the pick-up lens with respect to the brush member adjacent to the brush member in the rotational direction, and In the pick-up lens cleaner disk, the diametrical length of the brush member located on the outer periphery of the pick-up lens is at least approximately equal to the diameter of the pick-up lens. A cleaner disk for pick-up lenses that is characterized by being constructed by bundling together items of different sizes.