US1640721A - Telephone apparatus - Google Patents

Description

Aug. 30, 192.7.

W. E. PERRY TELEPHONE APPARATUS Filed Oct 18, 1,924

A TTORNEY Patented Aug. 30, 1927.

UNETED STATES WALTER EDWARD PERRY, 0F SACRAMENTO, CALIFORNIA.

TELEPHONE APPARATUS.

Application filed October 18, 1924. SerialNo. 744,354.

My invention relates to improvements in telephone apparatus whereby the receiver is supported relatively to the transmitter so that the necessity of using the hand to hold the receiver is eliminated.

I also aim to provide an apparatus of the character described which may be attached expeditiously to the standard desk telephone requiring but little alteration.

To the accomplishment of the recited objects and others subordinate thereto, the

preferred embodiment of my invention re sides in the construction and arrangement of parts hereinafter described, illustrated in the accompanying drawings,'and embraced within the scope of the appended claims.

In said drawings:

Figure 1 is a side elevation of a telephone showing in full lines, a vertical section of the attachment in normal position; and in dotted lines, a position of the device subse quent to adjustment for actual use.

Figure 2 is a transverse section along lines 22 of Figure 1.

Fig. 3 is a fragmentary section illustrating a modification, and

Figure 4 is a top plan View of the clamp shown in Figure 3.

Referring more particularly to the draw ings, the numeral 5 designates generally the transmitter part of an ordinary desk telephone, the same comprising a base 6, an upright 7, and transmitter 8.

My invention is capable of being attached to the base of the desk stand in two or more different ways. One way is shown in Figures 1 and 2, wherein a substantially circular plate 9, with clamps 10, and set-screws 11, are designed to be placed directly on the bottom of the base and rigidly secured thereto. The other fastening means involves a pair of combination clamping members 12 and 13, as exhibited in Figures 3 and 4. One end of each member is formed into a semi.- eircular contour so that it may receive the lower end of the upright 7 while the opposite end of each clamping section is hollowed out, and in conjunction with a ball-shaped element 14, virtually constitutes a ball and socket joint. A small ball and socket arrangement is used in connection with the other form of attachment shown in Figure 1 and is designated by the reference character 15.

Regardless of the particular type of sups port employed, the upright 7 is flanked by a tubular arm 16, the upper end of which is slotted and screw-threaded as at 17 and carries a nut 18 shaped somewhat like an inverted truncated cone, while the lower end receives the outwardly projecting shank 19 of the ball-shaped member 14. Moreover,

there is telescopically arranged with respect to the arm 16 a smaller and longer tube 20, the outer end of which has mounted thereon a receiver, 21. I r

In actual practice, the upper part of the tube 20, or any part of the tubular arm 16, is grasped and swung outwardly in arcuate fashion to a distance which will be convenient for the particular operator. After the conversation has been concluded, the upright portion of the device in its entirety is swung back to its normal position, the under side of the nut 18 engaging the switch lever 22 and thereby breaking the circuit in the usual manner. I

In this connection, the nut 18 serves a dual function in that it not only is employed for the purpose of taking up any wear resulting from the sliding action of the tube 20 within the member 16, but acts as an abutment in combination with the switch lever for making and breaking the telephone circuit. Moreover, the nut 18, because of its tapered bottom, can be adjusted to the maximum extent, and will still be received by and ride over the bifurcated ends of the switch lever, as clearly shown by the position of the upper end of said lever, in dotted lines in Fig. 1.

It will thus be seen that I have devised an attachment which will eliminate the trouble of holding the receiver to the ear, and which may be quickly installedto the standard type of desk telephone without the necessity of any material alteration.

The invention comprehends the employment not only of the means described but of equivalent means for performing the recite-d functions.

- What I claim is:

1. An attachment for a telephone, comprising an eXtensibly adjustable arm for supporting the telephone receiver, said arm being supported in connection with the telephone and being movable relative thereto, and clamp means on said arm for securing the latter in adjusted position, said clamp means being engageable, upon movement of said arm, with the telephone switch lever to actuate same.

2. An attachment for a telephone, comprisin a pair of telescoping tubes, one of said tubes being supported to permit movell'lQili; of the two relative to the telephone, the other of said tubes supporting the telephone receiver, and a nut for clamping the tubes in adjusted relation, said nut being engageable, upon movement of the tubes, with the telephone switch lever to actuate same.

3. An attachment for a telephone, comprising an eXt-ensibly adjustable arm for supporting the telephone receiver, said arm being supported in connection with the tele phone and being movable relative thereto, and clamp means on said arm for securing the latter in adjusted position, said clamp means being engageable, upon movement of said arm, with the telephone switch lever to actuate same, and being adjustable while maintaining its clamping efliect to alter its actuating effect upon said lever.

4-. An attachment for a telephone, comprising a pair of telescoping tubes, one of said tubes being supported to permit movement of the two relative to the telephone, the other of said tubes supporting the telephone receiver, and a nut for clamping the tubes in adjusted relation, said nut being engageable, upon movement of the tubes, with the telephone switch lever to actuate same, and

being adjustable relative to the tubes while maintaining its clamping eiiect thereupon to alter its actuating effect upon said lever.

Signed at Sacramento, California, this 17th day of September, 1924.

NALTIER EDl VARD PERRY.

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