JP2015114295A5 - - Google Patents

Description

The present invention has a cylindrical portion whose outer peripheral surface is formed in a non-circular shape, and a pair of hook-shaped protrusions are provided on the outer peripheral surface of the cylindrical portion so as to face each other in the axial direction of the cylindrical portion, And a needle mounting member to which the pointer shaft is inserted and attached to the cylindrical portion, and a through-hole formed in the same non-circular shape as the outer peripheral surface of the cylindrical portion, and the inner peripheral surface of the through-hole is the A needle body made of a synthetic resin that is integrally formed in a state of being in contact with the outer peripheral surface of the cylindrical portion and having an edge portion of the through-hole sandwiched between the pair of hook-shaped protrusion portions. It is a characteristic guideline.

According to this invention, since the needle body can be formed of synthetic resin, the weight of the entire needle can be reduced, and there is no need to manufacture the needle body individually and attach it to the needle mounting member by caulking. Since the needle body can be formed integrally with the needle mounting member, the yield is good and the productivity is good.

Claims (6)

The outer peripheral surface has a cylindrical portion formed in a non-circular shape, and a pair of hook-shaped protrusions are provided on the outer peripheral surface of the cylindrical portion so as to face each other in the axial direction of the cylindrical portion. A needle mounting member to which the needle shaft is inserted and attached to the part;
It has a through-hole formed in the same non-circular shape as the outer peripheral surface of the cylindrical portion, the inner peripheral surface of the through-hole is in contact with the outer peripheral surface of the cylindrical portion, and the edge of the through-hole is the pair A needle body made of synthetic resin integrally formed in a state sandwiched between
A guideline characterized by comprising.   2. The pointer according to claim 1, wherein the centers of gravity of the needle mounting member and the needle main body are located on a central axis of the cylindrical portion.   2. The pointer according to claim 1, wherein the needle main body is provided at a position where a center of gravity of the needle body is shifted from a center axis of the through hole, and the needle mounting member has a center of gravity attached to the shaft of the cylindrical portion. The needle body is provided at a position shifted from the center of gravity of the needle body with respect to the center axis of the hole, and the position of the center of gravity of the needle body and the position of the center of gravity of the needle mounting member are offset, and the needle body and the needle The pointer characterized by that the center of gravity of the whole of the mounting member is located on the central axis of the shaft mounting hole of the cylindrical portion.   The pointer according to claim 3, wherein the outer peripheral surface of the tubular portion and the through hole of the needle body cancel the center of gravity position of the needle body and the center of gravity position of the needle mounting member, A pointer having a shape in which a center of gravity of the needle body and the needle mounting member is positioned on a central axis of a shaft mounting hole of the cylindrical portion.   The pointer according to any one of claims 1 to 4, wherein the needle body is formed so that the thickness thereof is thicker than the length between the pair of hook-shaped protrusions of the needle mounting member. The guideline.   A timepiece comprising the pointer according to any one of claims 1 to 5.