JPH02100380U - - Google Patents

Description

[Brief explanation of drawings]

The drawings show the technical contents of the present invention, and Figure 1 shows the general structural relationship of the communal listening device having the mechanism according to the present invention in plan view, side surfaces, back surface, side surfaces, and bottom surface with the lid body opened. An explanatory diagram showing the state as seen from above, Fig. 2 is a slope view of the main part, Fig. 3 is an enlarged side view, Fig. 4 is a partial bottom view, and Fig. 5 is a plan view. Fig. 6 is an explanatory diagram of the working relationship of the wire fixing fitting, Fig. 7 is a side view of the wire pedestal part, and Fig. 8 is a cross-sectional view showing the step-by-step operation of attaching the messenger wire to the part. , FIG. 9 is a sectional view showing a contrasting operational relationship between the wire tightening bolt and the wire fixing fitting, FIG. 10 is a comparative sectional view similar to FIG. FIG. 1 is a sectional view showing a state in which the wire fixing fitting is removed, and FIGS. 12 and 13 are explanatory views showing a front view, a side view, and a plan view of a conventional messenger wire attachment mechanism, respectively. In these drawings, 1 is the main body of the communal listening device, 2 is the lid body, 8 is the messenger wire, 4 is the bolt for attaching the lid body, 5 is the wire pedestal, 6 is the wire fixing bracket, and 7 is the wire fixing bracket. Wire tightening bolt, 11 is a lid holder, 21 is a bolt insertion part, 51 is a guide side wall, 52 is a pull-out prevention claw, 53 is an insertion hole, 61 is a screw hole, 62 is a connecting part, 63 is a wire 3 receiving part This indicates the respective parts.

Amendment 1.4.28 Hei 1.4.28 The brief description of the drawing is amended as follows. In the 20th line of page 10 of the present specification, the phrase ``Constitutive relationship is plane, side surface, and rear surface and side surface and'' is corrected to ``Constitutional relationship is bottom surface and''.

Claims (1)

[Scope of utility model registration request] A wire pedestal for receiving the messenger wire is integrally formed on the main body, guide side walls are provided oppositely between both sides of the wire pedestal and the main body, and the messenger wire is placed at the end of the wire pedestal. A slip-out prevention claw is provided to prevent the wire from being pulled out, and a wire fixing fitting that is threadedly engaged with the wire tightening bolt inserted into the wire holder is positioned between the guide side walls, and a wire receiving portion is formed in the wire fixing fitting. 1. A messenger wire attachment mechanism for a public listening device, characterized in that a locking portion for locking with the wire tightening bolt is formed at a base end portion located between the guide side walls.