US2322220A

US2322220A - Radio tube extractor

Info

Publication number: US2322220A
Application number: US471338A
Authority: US
Inventors: Theodore E Casselberry
Original assignee: Individual
Current assignee: Individual
Priority date: 1943-01-05
Filing date: 1943-01-05
Publication date: 1943-06-22
Anticipated expiration: 1960-06-22

Description

T. E. CASSELBERRY RADIO TUBE ExmAcToR June 22, 1943.

Filed Jan. 5 1943 van/rag 77950450: ffikosszsemer 4rmAM/e Y Patented June 22, 1943 UNITED STATES PATENT OFFICE (Granted under the act of March 3, 1883, as amended April 30, 1928; 370 0. G. 757) 2 Claims.

The invention described herein may be manufactured and used by or for the Government for governmental purposes, without the payment to me of any royalty thereon.

This invention relates to manually operatable tools. Especially tools adapted for handling metal radio tubes.

An object of the invention is to provide such a tool which shall be simple and efficient to operate and cheap and convenient to manufacture.

More specifically, my invention comprises a manually operable tool of the forceps or pincers type, comprising a body portion having a tapering opening passing longitudinally therethrough, and having, at one end thereof a solid ringshaped portion of resilient material. The sides of said body portion are spaced by slots passing through the walls of the body portion. The inner faces of the sides of the body portion form the faces which are adapted to engage the radio tube to be handled. At the opposite end of the body portion, from the ring, there are mounted divergent handles which form means for manually operating the device.

Other objects of the invention will appear more fully hereinafter.

For a further description of my invention, reference may be had to the annexed drawing and specification at the end whereof the novel features of my invention will be specifically pointed out and claimed.

In the drawing Fig. 1 is a side elevation,

Fig. 2 is a side elevation at right angles to Fig. 1, and

Fig. 3 is an end View.

In that embodiment of my invention selected from among others for illustration in the drawing and description in the specification, my device is shown as comprising a body portion gen erally indicated at I, having at one end thereof an integral continuous ring 2.

Body portion I has a tapering opening 3 passing longitudinally therethrough and longitudinally extending slots 4 pass through the walls of body portion and extend rearwardly from ring 2 separating the major portion of the body portion into two oppositely disposed parts. The inner spaces of said oppositely disposed parts form work engaging portions adapted to contact and grab the surface of the metal radio tube to be handled. At the opposite end of said body portion from the ring 2 there are provided handies 6 which are spaced apart by means of slots Al, and which diverge from each other.

The operation of my device is believed to be obvious from the foregoing description. For the purpose of inserting or extracting a metal radio tube into or out of the socket adapted to receive it, the tube is placed in the body portion with the prongs extending from the open end of the tool beyond the ring. By grasping the handle with the fingers and the palm of the hand a variable pressure may be exerted lightly on the walls of the radio tube. The tube can then be extracted or inserted even from a diincult or inaccessible location.

Having now set forth the object and mode of operation of my invention and the various constructions embodying the principles thereof, What I now claim as new and useful and of my own invention is as follows:

1. Forceps for handling metal radio tubes comprising, a tubular body portion of resilient material having a tapering opening passing longitudinally therethrough and having longitudinally extending slots through its opposite sides, there being an uninterrupted ring adjacent one end of said body portion, the inner walls of said body portion intermediate said slots forming faces adapted for engagement with a radio tube to be handled, and handles mounted on said body portion at the opposite end from said ring and spaced apart by said slots and diverging from each other away from said body portion.

2. In a metal-radio-tube-handling extractor, a pair of oppositely disposed and resiliently connected contact members, said contact members being provided with flaring internal faces forming the work-engaging portions, a resilient ring connected to one of the ends of each of said contact members so that said members are held apart for flexing movement toward and away from each other and the axis of said ring, and a pair of operating elements, each of said elements being secured at one end to the end of one of said contact members away from said ring, and lying at an angle to the other of said contact members, whereby the operating elements may be grasped respectively by the fingers and palm of the hand of the user to flex said work-engaging portions toward and away from each other and into and out of engagement with a radio tube to be handled, said fiexure being permitted by means of the resiliency of said ring.

THEODORE E. CASSELBERRY.