JPS58110481U - ballpoint pen - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

Fig. 1 is a partially cutaway vertical front view showing the ballpoint pen of the present invention in a non-writing state, Fig. 2 is a front view showing the same in a writable state, and Fig. 3 is along the If-I line in Fig. 1. Figure 4 is a cross-sectional view taken along line ■-■ in Figure 1, Figure 5 is a cross-sectional view along the
The figure is an explanatory diagram t showing the related action of the additional teeth, deep and shallow engagement grooves, and meshing teeth. In the figure, 1 is the barrel, 2 is the movable reed seat, 3 is the push spring for the ballpoint pen body, 4 is the gold card, 5 is the additional tooth, 6! Deep and shallow engagement groove, 7
8 is a spring holder, 8 is a push spring for the movable neck seat, 9 is a meshing tooth, and b is a ball-shaped body. ] , Figure 5 no ＼6] ) Welcome

Claims (1)

[Scope of utility model registration request] A writing instrument is provided with a movable neck seat 2 that is movable in the axial direction at the tip of the barrel barrel 1, and by moving the neck seat, the ballpoint pen body inside the barrel barrel 1 becomes ready for writing.
A push spring 3 for a ballpoint pen body is disposed in the base of the pen, and a pen 4 having serrated additional teeth 5 on the opening edge is fixed in the barrel 1.
In this case, there is a deep and shallow engagement groove 6 in which additional teeth 5 are formed on the inner surface of the shaft cylinder 1.
A push spring 8 for the movable neck seat is interposed between the spring holder 7 and the gift card 4 configured in the movable neck seat 2, and the meshing teeth 9 protruding from the outer surface of the peripheral wall of the movable neck seat 2 are inserted into the gift card 4. and the deep/shallow engagement groove 6.