JPS628445U - - Google Patents

Description

[Brief explanation of the drawing]

Figures 1 to 4 show an embodiment of this invention. Figure 1 is a side view of a micro switch with a coil spring set, Figure 2 is a front view as seen from arrow Q in Figure 1, and Figure 3 is a side view of the micro switch with a coil spring set. Fig. 4 is a side view showing the process of setting the coil spring on the micro switch, Fig. 4 is an enlarged view of the holding part on the fixed side, a is a side view, b is a bottom view as seen from the R arrow in Fig. a, and c is a bottom view of Fig. b. A front view as viewed from arrow S, Figure 5 is a side view of a conventional micro switch with a coil spring set in it, Figure 6 is a front view of Figure 5 as viewed from arrow P, and Figure 7 is a coil spring set in the same micro switch as above. It is a side view which shows a process. 1: fixed side (case), 4: movable piece, 4a: engaging part, 5: coil spring, 7: holding part, 7a: sliding surface, 7b: protrusion, A: fulcrum.

Claims (1)

[Scope of utility model registration request] In a structure in which both ends of a compressible coil spring are respectively fitted into an engaging part at the tip of a movable piece and a cylindrical holding part on a fixed side located opposite to this engaging part; A compression spring holding structure characterized in that the end face of the cylindrical holding part is formed into an inclined sliding surface, and a projection for hooking the spring is provided at the lower center of the sliding surface.