US2131861A

US2131861A - Electrode holder

Info

Publication number: US2131861A
Application number: US157628A
Authority: US
Inventors: Ellis R Smith
Original assignee: Individual
Current assignee: Individual
Priority date: 1937-08-05
Filing date: 1937-08-05
Publication date: 1938-10-04
Anticipated expiration: 1955-10-04

Description

Oct. 4, 1938. E, R, sMl'rH ELECTRODE HOLDER Filed Aug. 5

INVENTOR fof- ATTORNEYS WITNESS Patented Oct. v4r, 1938 UNITED STATES PATENT OFFICE z,1s1,s1

ELEc'raona nomma Ellis B. Smith, Bradford, Pa.

Application samt 5, 1931, sei-u1 No. 151,628

' 'I'his invention relates to electrode holders and has for an object to provide a holder which may be easily operated in air craft construction. which is compact and can be used -in small spaces. and which will be provided with an insulating collar 5 forming a support for theelectrode when not in use and which forms means ior moving the clamp rod to operative and to releasedpositions when in use.

A further object is' to provide a device of this character which will be formed of a few strong simple and durable parts, which will be inexpensive to manufacture and which will not easily get out of order.

With the above and other objects in view the invention consists of certain novel details of construction and combinations of partshereinafter fully described and claimed, it being understood that various modifications may be resorted to within the scope of the appended claim without departing from the spirit or sacriilcing any of the advantages of the invention.

In the accompanying drawing forming part of this specication,

Figure 1 is a longitudinal sectional view of an electrode holder constructed in accordance with the invention.

Figure 2 is a longitudinal sectional view of the electrode holder taken in a plane at right angles to the plane of Figure l.

Figure 3 is a side elevation of the electrode holder.

Figure 4 is a top plan view of the holder.

Referring now to lthe drawing in which like 35 characters of reference designate similar parts in the various views, it designates a tubular frame one end of which is equipped with a sleeve il of insulating material forming a handle. From the handle to the end of the frame a tough high heat Thehandleis securedinplacebyacrewa Hand below the screws the frame is ras shown at Il and equipped with a Ysox'e'uil by means of which the conductoriiHrelectrically attached to the tubular frame.

'rnQ-.tubmar mme 1s provided naar the handle f `on opposite sides thereof with elongated slots clamp rod. The collar il constitutes a grip through the medium of which the sleeve may be moved when it is desired to retract the clamp rod to released position. The collar also forms a support for the tool when laid down on the work and prevents shorting. 5

A fiber disc 2| is arranged within the tubular frame at the flattened end thereof and a helical spring 22 bears' wit-h one end upon the disc and with its opposite end upon the clamp rod kI9 to urge the clamp rod outwardly to operative position.

The tubular frame is provided with an obliquely disposed slot 2l which receives the welding wire or rod 24. The rod is clamped to the bottom of the slot by the spring pressed clamp rod I9.

In operation the operator may hold the tool in one hand and place his thumb against the collar i8 to retract the clamp rod I9. Thereupon the welding rod may be slid along the tubular frame and passed into the slit 23. Then the collar Il 20 may be released to permit the clamp rod to be moved torclamping position by the spring 22.

From the above description it is thought that the construction and operation of the invention will be fully understood without further explanation.

What is claimed is:

An electrode holder comprising an insulated tubular frame, a clamp rod slidably mounted in the frame, there being oppositely disposedbllquely extending slots in the end of the tubular frame adjacent to the end of the clamp rod, a tubular handle of insulating material sleeved on the end of the tubular frame opposite the slotted end'thereof, the tubular frame being provided 35 near the handle with oppositely disposed longitudinally extending slots, a cylindrical collar of insulating material slidably sleeved upon the tubular frame at said longitudinal'slots, a pin connected at the ends to the collar and'to the clamp rod and slid'ably engaged Athrough said longitudinally extending slots, said collar terminating in a ange constituting a grip through the medium of which the collar may be slid toward the handle to retract the clamp rod from the obliquely slotted end of the tubular frame, said flange forming a supporting rest for the electrode holder when it is not in use, and a spring housed in the tubular frame in rear of the clamp rod and urging the clamp rod forwardly into the obliquely slotted end 5 of the tubular frame.

' ELLIS R. SMITH.