JPH0278386U - - Google Patents

Description

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

第１図は通常状態の縦断面図、第２図は触指操
作部材を後退させて芯を繰り出す状態の縦断面図
、第３図は先端芯パイプを非突出状態として携帯
する状態の縦断面図、第４図は第１図Ａ―Ａ線の
横断面図である。 １……チヤツクセツト、２……保持チヤツク、
３……スプリング、４……スライダー、５……係
合部、６……先端芯パイプ、７……指掛部、８…
…触指操作部材、９……段部、１０……軸筒、１
１……口金、１４……係止部。 Fig. 1 is a vertical cross-sectional view in a normal state, Fig. 2 is a longitudinal cross-sectional view in a state in which the touch finger operating member is retracted and the core is fed out, and Fig. 3 is a vertical cross-sectional view in a state in which the tip core pipe is carried in a non-protruding state. 4 is a cross-sectional view taken along line AA in FIG. 1. 1...Chuck set, 2...Holding chuck,
3...Spring, 4...Slider, 5...Engagement part, 6...Tip core pipe, 7...Finger hook part, 8...
...Touch finger operation member, 9...Step part, 10...Shaft cylinder, 1
1...cap, 14...locking part.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 筆圧に対しては十分な芯固定力を有するが前方
への芯の引き出しは比較的容易なチヤツクセツト
１を収納した軸筒１０の前端に口金１１を止着し
、口金内にスライダー４を軸方向に移動自在に且
つスプリング３で前方へ付勢した状態で収納し、
スライダー４に上記チヤツクセツト１から芯を前
方へ引き出し可能な芯固定力を有する保持チヤツ
ク２を一体的に取付け、更に口金１１を貫通する
先端芯パイプ６の後端をスライダー４に一体的に
固着し、先端芯パイプ６における口金１１の前方
部位に係合部５を設け、一方、軸方向に移動自在
で指掛部７を外部に露呈させた触指操作部材８に
上記先端芯パイプ６の係合部５と当接して触指操
作部材８の後退時に係合部５を後方へ押圧する段
部９を設け、又、先端芯パイプ６を後退させてそ
の前端を非突出状態にしたときに先端芯パイプ６
の係合部５を係止して先端芯パイプ６を固定状態
とする係止部１４を口金１１の前端に設けたこと
を特徴とするシヤープペンシル。 A cap 11 is fixed to the front end of a shaft tube 10 that houses a chuck set 1, which has sufficient lead fixing force against writing pressure but is relatively easy to pull out the lead forward, and a slider 4 is mounted inside the cap. It is stored in a state where it can be moved freely in the direction and is biased forward by the spring 3,
A holding chuck 2 having a core fixing force capable of pulling the core forward from the chuck set 1 is integrally attached to the slider 4, and furthermore, the rear end of the tip core pipe 6 passing through the base 11 is integrally fixed to the slider 4. , an engaging part 5 is provided in the front part of the base 11 of the tip core pipe 6, and the tip core pipe 6 is engaged with a finger operation member 8 which is movable in the axial direction and has a finger hook part 7 exposed to the outside. A stepped portion 9 is provided which contacts the mating portion 5 and presses the engaging portion 5 backward when the touch finger operating member 8 is retracted, and when the tip core pipe 6 is retracted and its front end is in a non-protruding state. Tip core pipe 6
A sharp pencil characterized in that a locking part 14 is provided at the front end of the mouthpiece 11 for locking the engaging part 5 and fixing the tip core pipe 6.