JPS63176686U - - Google Patents

Description

[Brief explanation of the drawing]

Figure 1 is a longitudinal sectional view of one embodiment of this invention;
3 is a sectional view taken along the line A-A in FIG. 2, FIG. 4 is a rear view of FIG. 2, FIG. 5 is an explanatory perspective view of the sliding groove of the tip, and FIG. Figure 6 is a plan view of the slider, Figure 7 is a sectional view taken along line B-B in Figure 6, Figure 8 is a rear view of Figure 6, Figure 9 is a plan view of the sleeve, and Figure 10 is Figure 9. Fig. 11 is a rear view of Fig. 9, Fig. 12 is a central vertical sectional view of the barrel ring, Fig. 13 is a plan view of the ejector bar, and Fig. 14 is a longitudinal sectional view of the lead chuck. , Figure 15 is the 14th
16 is a sectional view taken along the line DD in FIG. 15, FIG. 17 is a sectional view taken along the line E-E in FIG.
Figure 8 is a sectional view taken along the line FF in Figure 14, Figure 19 is an enlarged plan view of the teeth, Figures 20 and 21 are enlarged explanatory views of the teeth, and Figures 22 to 24 are other views. Vertical sectional views of the lead chuck head of the embodiment, FIGS. 25 to 29
The figures are explanatory diagrams of the core feeding operation and the locking operation, FIG. 30 is a vertical sectional view of a portion of the outer cylinder of another embodiment, and FIG. 31 is a vertical sectional view of another embodiment. 1 is an outer cylinder, 2 is a tip, 3 is a slider, 4 is a sleeve, 5 is a core delivery mechanism, 6 is a stopper, 7 is a joint, 10 is an ejector bar, 12 is an elastic body, S is a core, 13 is a core pipe , 15 is an elastic body receiving part, 21 is a connecting part, 23a is a sleeve engaging part sliding groove, 23b is a stopper sliding groove, 41 is a sleeve engaging part, and 42 is a friction sliding groove.

Amendment July 7, 1986 The scope of claims for utility model registration is amended as follows.

[Claims for Utility Model Registration] (1) A tip 2 that has a connecting portion 21 provided with a sliding groove 23, either integrally or separately, and that is slidably engaged with the sliding groove 23 of this tip 2. Sleeve engaging part 41
A sleeve 4 having a core feeding mechanism 5 installed therein, and a stopper 6 attached to the distal end side are slid into the sliding groove 23 of the tip 2 and the sliding groove 42 formed in the sleeve 4. a joint 7 capable of engaging and slidable relative to the tip 2 and the sleeve 4;
This joint 7 is urged backward, and the stopper 6 is moved to the stopper protrusion locking wall portion 2 of the sliding groove 23 of the tip 2.
3d and an elastic body 12 that abuts and locks on the unit block portion of the mechanical pencil. (2) The unit block portion of the sharpening pencil according to claim 1, wherein the joint 7 is capable of attaching a core pipe 13 or is integrally formed with the core pipe 13. (3) The scope of the utility model registration claim characterized in that the elastic body 12 is elastically held between the joint 7 and the elastic body receiving portion 15 that abuts the rear end of the tip 2 and the sleeve 4, respectively. A unit block portion of the mechanical pencil according to item 1. The brief description of the drawing has been amended as follows. "23a" on page 37, lines 12 to 14 of the specification
is...friction sliding groove. " is corrected to "23 is a sliding groove, 42 is a sliding groove."

Claims (1)

[Claims for Utility Model Registration] (1) A tip tool 2 that has a connecting portion 21 provided with a sleeve engaging portion sliding groove 23a and a stopper sliding groove 23b integrally or separately, and a sleeve engaging portion of this tip tool 2. It has a sleeve engaging part 41 that slidably engages with the mating part sliding groove 23a, and has a core feeding mechanism 5 inside.
The sleeve 4 with the attached sleeve 4 and the stopper 6 attached on the distal end side are inserted into the sleeve engaging portion sliding groove 23 of the tip 2.
a and a joint 7 that is slidably engaged with the friction sliding groove 42 formed in the sleeve 4 and slidable with respect to the tip 2 and the sleeve 4;
A unit block portion of a sharp pencil, comprising an elastic body 12 which urges the stopper 6 rearward and locks the stopper 6 in contact with the side wall of the sleeve engagement portion sliding groove 23a of the tip tool 2. (2) The unit block portion of the sharpening pencil according to claim 1, wherein the joint 7 is capable of attaching a core pipe 13 or is integrally formed with the core pipe 13. (3) The scope of the utility model registration claim characterized in that the elastic body 12 is elastically held between the joint 7 and the elastic body receiving portion 15 that abuts the rear end of the tip 2 and the sleeve 4, respectively. A unit block portion of the mechanical pencil according to item 1.