JPS5870110U - button - 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 cross-sectional view showing how the button of this invention is attached;
FIG. 2 is a partial sectional view showing a different embodiment of the button of this invention, and FIG. 3 is a sectional view showing another embodiment of the button of this invention in an attached state. 1 is a front button, 3 is a sleeve, 5 is an inward locking protrusion, 6 is an outward locking protrusion, 7 is a slit, 10 is a washer, 11 is a sleeve insertion hole, 20 is a back button, 22 is a locking shaft, 23
24 is a locking head, 24 is a neck portion, 21 is a sharp portion, and 26 is a fabric pressing portion. Correction 1982.11. 8. The scope of claims for utility model registration shall be amended as follows. O Utility Model Registration Claims (1) Referring to a sleeve made of a flexible material that protrudes outward from approximately the center on the bottom surface of the button head, the sleeve has an opening in its longitudinal direction and extends to the opening end of the sleeve. A front button is provided with at least one extending slit and has inward and outward locking protrusions integrally formed in the vicinity of its open end, and has an insertion hole into which the sleeve is fitted, and which is externally fitted into the sleeve. a washer that slides on the outer peripheral surface of the sleeve, and a locking shaft that is inserted into the sleeve from the open end side,
The locking shaft is composed of a back button integrally forming a locking head and a neck portion with a smaller diameter, and the locking shaft of the back button is fitted into the sleeve and latched inward to the neck portion. A button characterized in that a back button is removably fixed to a front button by abutting a protrusion and restraining the inner diameter of the sleeve at the abutting position by movement of a washer. (2) The button according to claim 1, wherein the back button is comprised of a locking shaft and a base curved toward the locking shaft. (3) The button according to claim 1 of the utility model registration claim, characterized in that the tip of the locking head is formed into a sharp point. (4) The washer has a presser needle near its insertion hole, and the presser needle pierces the outward latching protrusion when the back button is engaged. button. (5) Utility model registration claim 1, characterized in that the inward locking protrusion is formed in the shape of a stepped wall on the inner surface of the sleeve.
Button described in section. (6) The sleeve of the front button is characterized by having a rib-like protrusion slightly above the position corresponding to the inward latching protrusion on its outer periphery, and restraining the washer in the washer tightening position together with the outward latching protrusion. The button described in paragraph 1 of the claims for utility model registration. The brief description of the drawing has been amended as follows. At the end of page 9, line 5 of the specification, ``This is a sectional view.'' is corrected to ``A sectional view. FIG. 4 is a sectional view showing a further different embodiment of the button of this invention.''

Claims (5)

[Scope of utility model registration request] (1) It has a sleeve made of a flexible material that protrudes outward from approximately the center on the bottom surface of the button head, and the sleeve has at least one slit that opens in the longitudinal direction and extends to the open end of the sleeve. The button has a front button integrally formed with inward and outward locking protrusions in the vicinity of its open end, and an insertion hole into which the sleeve is fitted, and which is externally fitted into the sleeve and has a surface on the outer peripheral surface of the sleeve. and a locking shaft that is inserted into the sleeve from its open end, the locking shaft having an outer circumference that is smaller than the insertion hole of the washer and larger than the inner diameter of the sleeve. It consists of a back button that has a locking head and a neck portion with a smaller diameter integrally formed therein, the locking shaft of the back button is brought into contact with the inner diameter of the sleeve, and the washer is moved along the inner diameter of the sleeve at the contact position. The button is characterized in that the back button is removably fixed to the front button by being restrained by the button. (2) The button according to claim 1, wherein the back button is comprised of a locking shaft and a base that is curved toward the locking shaft. (3) The button according to claim 1 of the utility model registration claim, characterized in that the tip of the locking head is formed into a sharp point. (4) The washer has a presser needle near its insertion hole, and the presser needle pierces the outward latching protrusion when the back button is engaged. button. (5) The button according to claim 1, wherein the inward locking protrusion is formed in the shape of a step wall on the inner surface of the sleeve.