【図面の簡単な説明】[Brief explanation of drawings]  第1図は本考案の一実施例による光ピツクアツ
プの概略斜視図、第2図は同上の側面図、第3図
は同上のピツクアツプの静特性を示すグラフ、第
4図は同上の動特性を示すグラフ、第5図は従来
のすべり軸受を用いたピツクアツプの静特性を示
すグラフ、第6図は従来のばね支持によるピツク
アツプの動特性を示すグラフ、第7図は本考案の
第1の変形例を示す概略斜視図、第8図は第2の
変形例を示す概略斜視図、第9図は第3の変形例
を示す概略平面図、第19図は第4の変形例を示
す概略斜視図である。  なお図面に用いた符号において、1……基体、
2……軸、3……支持部材、4a,4b……合成
樹脂板、5……レンズ枠、6……対物レンズ、4
0a,40b……薄肉ヒンジ部、41a,41b
……薄肉ヒンジ部、である。  FIG. 1 is a schematic perspective view of an optical pickup according to an embodiment of the present invention, FIG. 2 is a side view of the same, FIG. 3 is a graph showing the static characteristics of the same pickup, and FIG. 4 is a graph showing the dynamic characteristics of the same. Fig. 5 is a graph showing the static characteristics of a pick-up using a conventional sliding bearing, Fig. 6 is a graph showing the dynamic characteristics of a pick-up with conventional spring support, and Fig. 7 is a graph showing the first modification of the present invention. FIG. 8 is a schematic perspective view showing the second modification. FIG. 9 is a schematic plan view showing the third modification. FIG. 19 is a schematic perspective view showing the fourth modification. It is a diagram. In addition, in the symbols used in the drawings, 1...substrate,
 2... Shaft, 3... Support member, 4a, 4b... Synthetic resin plate, 5... Lens frame, 6... Objective lens, 4
 0a, 40b...thin hinge part, 41a, 41b
 ...It is a thin hinge part.
補正  昭60.10.29  図面の簡単な説明を次のように補正する。  明細書第12頁4行目の「第19図」を「第1
0図」と補正する。Amendment October 29, 1980 The brief description of the drawing is amended as follows. "Figure 19" on page 12, line 4 of the specification is replaced with "Figure 1.
 0 figure”.