JPS6275979U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例を示す縦断面図、第
２図は他の一実施例を示す縦断面図、第３図は本
考案に使用される摺動付与部材の一実施例を示す
縦断面図、第４図は小管式筆記具の一例を示す要
部縦断面図。 １……針体、２……摺動付与部材、２ａ……針
体挿入孔。 Fig. 1 is a longitudinal sectional view showing one embodiment of the present invention, Fig. 2 is a longitudinal sectional view showing another embodiment, and Fig. 3 is an embodiment of the sliding member used in the invention. Fig. 4 is a longitudinal sectional view of a main part showing an example of a small tube type writing instrument. 1... Needle body, 2... Sliding imparting member, 2a... Needle body insertion hole.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 後部に摺動付与部材を付け、また、小管ペン先
に摺動可能に挿入される針体であつて、形状記憶
合金を使用したものにおいて、前記針体は直線状
に形状記憶されたものであり、また、前記摺動付
与部材は非直線状の針体挿入孔を有し、前記針体
は前記摺動付与部材の前記針体挿入孔に直線性維
持の高弾性状態でその後部が挿入されているよう
にすることで、前記摺動付与部材と摩擦力固定し
ていることを特徴とする小管式筆記具の摺動付与
部材付き針体。 A needle body with a sliding member attached to the rear part and slidably inserted into a small tube nib, which uses a shape memory alloy, wherein the needle body has a linear shape memory. The sliding imparting member has a non-linear needle insertion hole, and the needle has a rear portion inserted into the needle insertion hole of the sliding imparting member in a highly elastic state while maintaining linearity. A needle body with a sliding force imparting member for a small tube type writing instrument, characterized in that the needle body with a sliding force imparting member is fixed to the sliding force imparting member by a frictional force.