JPS5947126U

JPS5947126U - knob

Info

Publication number: JPS5947126U
Application number: JP14265282U
Authority: JP
Inventors: 成田　勇郎
Original assignee: 株式会社日立製作所
Priority date: 1982-09-22
Filing date: 1982-09-22
Publication date: 1984-03-29

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来のギヤドライブのダイヤル機構の例を示す
断面図、第２図は本考案のツマミの斜視図、第３図は本
考案のシャフトの斜視図、第４図は本考案のツマミとシ
ャフトの嵌合状態を表した断面図、第５図はツマミとシ
ャフトがスリップした状態を表した断面図である。１・・・ケース、２・・・プリント基板、３・・・バリ
コン、４・・・プーリ、５・・・クラウンギヤ、６・・
・ツマミ、７・・・シャフト、８・・・ピニオン、１０
・・・スプリング、１１・・・軸部、１２・・・パイプ
、１３・・・凸部、１４・・・凹溝、１５・・・スリッ
ト。Figure 1 is a sectional view showing an example of a conventional gear drive dial mechanism, Figure 2 is a perspective view of the knob of the present invention, Figure 3 is a perspective view of the shaft of the present invention, and Figure 4 is the knob of the present invention. FIG. 5 is a sectional view showing a state in which the knob and shaft are fitted, and FIG. 5 is a sectional view showing a state in which the knob and shaft have slipped. 1... Case, 2... Printed circuit board, 3... Variable capacitor, 4... Pulley, 5... Crown gear, 6...
・Knob, 7...Shaft, 8...Pinion, 10
...Spring, 11...Shaft portion, 12...Pipe, 13...Convex portion, 14...Concave groove, 15...Slit.

Claims

[Scope of utility model registration request]

At the fitting part between the shaft and the knob, a plurality of slits in the knob and a concave groove are provided approximately in the center of the slit, and a convex part that matches the concave groove of the knob is provided on the shaft at a position that matches the concave groove of the knob. , a knob characterized in that when a certain amount of torque is applied to the knob, the convex part climbs over the concave groove and slips.