Title:
Tip cleaner holder
United States Patent 2473758


Abstract:
My -invention relates generally to tool holders and particularly to a holder device for supporting a plurality of attenuate tools or implements, such as cleaner rods,, for cleaning the orifices of welding torch tips and other burners, Cleaning rods are employed quite extensively for cleaning...



Inventors:
Maitlen, Harry D.
Application Number:
US5265748A
Publication Date:
06/21/1949
Filing Date:
10/04/1948
Assignee:
MAITLEN & BENSON INC
Primary Class:
Other Classes:
7/168, 37/901, 70/456R, 206/37, 206/380
International Classes:
B23K37/00
View Patent Images:
US Patent References:
1951660Adjustable supporting bar1934-03-20
1779621Key holder1930-10-28
1639551Curtain rod1927-08-16
1494242Combined key case and flash-light holder1924-05-13
1299556N/A1919-04-08



Description:

My -invention relates generally to tool holders and particularly to a holder device for supporting a plurality of attenuate tools or implements, such as cleaner rods,, for cleaning the orifices of welding torch tips and other burners, Cleaning rods are employed quite extensively for cleaning the orifices or jets of acetylene burning and welding tips, or ether jets which burn gas or oil, such ,a cleaner rod being disclosed in my Patent No. 2,429,581, granted October 21, 1947, and entitled "Cleaning rod for welding torches." During the operation of acetylene torches and other burners, the openings or jets in their tips are often closed by carbon deposits, dust and -rust and cleaner rods of the type referred to above are inserted and slid back and forth therein to remove such deposits so as to maintain free flow of the gas through the tip and thus prevent flutter of the fame cone.

Since the orifices of torch tips vary in diameter, it is the practice to employ cleaner rods of different diameters, a complete set of the rods including approximately a dozen sizes. As shown in my patent referred to above, the cleaner rods have attenuate stems which are provided with a plurality of annular ridges adapted to engage and -slide along the walls of the tip orifices to perform, in effect,, a scrubbing action tending to dislodge and remove foreign matter without distorting or otherwise injuring the tips. Each tip cleaner of the set is formed with a loop at one end so that all the cleaner rods can be held on a wire, key ring or other support. The cleaner rods, particularly those of the small sizes; are quite delicate and fragile so that they are easily bent or otherwise damaged when exposed on a wire or key ring. Moreover, the different cleaner rods vary only slightly in diameter and for this reason a cleaner red of appropriate size is not readily segregated from the others of the set. 4 It is an object of my invention to provide a holder device which is adapted to support a series or set of tip cleaner rods in prearranged order so that a cleaner rod of any desired size can be readily selected from, the group, the set 4 of rods being so mounted that a worn. rod can be readily removed and replaced by a new rod.

Another object is to provide a holder device which, comprises a box-like receptacle in which the tip cleaner rods are pivotally supported so that they are fully protected against damage and capable of being pivoted to an extended or operative position wherein, their ridged stems project fromi an end of the receptacle. By this construction, the receptacle serves as a handle 5i which may be grasped in the hand Of the operator to facilitate sliding the cleaner rod through the jet of the holding tip. It is a related object to provide a holder whibh has a cover or lid pivoted to ah end of the receptacle ana adapted to be pivoted to an open pdition to permit extension of the tip cleaners and to a closed position tb encloSe the cleaner rods in the receptacle or to retain a rod in extended or operative position. A futthde related object is to provide detent meahs for releasably retaining the cover in closed position.

Another object of the invention is to provide, in a holder of the type indicated, a hovel and ingenious means for pivotally supporting the cleaner rods within the receptacle, this means comprising, in general, a support spindle extending transversely between the side walls of the receptacle and on which the loops of the cleaner rods are disposed. Another object in this respect is to provide a support spindle which comprises a pair of relatively telescopic tubular elements, the outer flanged ends of which receive projections or pintles directed inwardly from the side walls of the receptacle, spring means within the spindle tending to cause elongation of the spindle so as to maintain the spindle in place in the receptacle. Stop means are also provided for limiting the elongation of the spindle, said means being releasable to permit separation of the spindle elements for the purpose of placing the cleaner rods on the spindle and this is another object of the invention.

A still further object is to provide a holder device which is extremely simple in construction and one which lends itself to economical mass production methods of manufacture.

Further objects will be apparent from the following specification and the drawing, which 0 is intended for the purpose of illustration only, and in which: Fig. 1 is a perspective view of the holder device, showing the parts thereof in closed relationship; F5 ig. 2 is a perspective view showing the holder opened; Fig. 3 is an enlarged; longitudinal sectional view of the device; Fig. 4 is a cross-sectional view, taken on line 0 4-4 of Fig. 3; and Fig. 5 is a cross-sectional view, taken on line 5-5 of Fig. 4.

Referring to the drawing Inf detail, the holder device includes a box-like receptacle 10 which 5 has a bottom wall II, upstanding side walls 12, and curved end walls 13 and 14, the upper edges of which terminate below the upper edges of the side walls 12. The receptacle 10 is preferably stamped from light weight sheet metal and adjacent the end 13, the metal of the side walls 12 is indented to provide circular indentations or detent recesses 16 and inwardly directed lugs or pintles 17. At their other end, the side walls 12 carry pivot pins or rivets 18 for pivotally mounting a cover member or lid 20 1 The cover member 20 is of inverted channel shape, being provided with a top wall 21 and depending side flanges 22 which have apertures for receiving the pivot pins 18, the side flanges being located outside the side walls 12 of the 1 receptacle. At the end opposite the pivot end of the cover member 20, the top wall 21 is extended downwardly in a curved portion 22'.

Also at this end, the side flanges are indented to provide inwardly directed detent projections 2 23 which are adapted to snap into the detent recesses 16 of the receptacle 10 to releasably retain the two parts in the closed relationship shown in Figs. 1 and 3. When the holder device is thus closed, an opening 24 is provided between the parts at the end remote from the pivot end of the device.

To open the holder device, the cover member 20 is merely pried upwardly to disengage the detent means 16, 23 after which the cover member is pivoted upwardly to the position illustrated in Fig. 2, at which time the curved end 25 of the top wall 21 strikes an edge 26 of the side walls 12 to limit pivotal movement in this direction (Fig. 3). To facilitate prying the cover member upwardly, the lower edges of the side flanges 22 are cut away as shown at 27 so that the operator's thumb and forefinger can readily engage the lower portion of the cover member.

The holder device is particularly adapted for holding a series or set of tip cleaner rods 30 which may be of the type disclosed in my patent already referred to. Each cleaner rod 30 comprises a stem portion 31 which is preferably formed with a ridged area 32 and also has a loop 33 at one end. The cleaner rods 3'0 are held in the holder device by means of a support spindle 35 which includes a first tube 36 and a second, smaller tube 37 telescopically mounted therein.

The larger tube 36 has an annular flange 38 at its outer end and adjacent its inner end the metal is indented (Figs. 4 and 5) to provide inwardly directed projections or stop lugs 40. Adjacent its flanged end, the tube 36 is provided with inwardly extending ears 41. The smaller tube 37 is also provided with an annular flange 43 at its outer end, the inner end, that is, the end disposed within the tube 36, being formed with a peripheral bead 44. Disposed within the tube 36 is a coil spring 45 which has one end engaging the inner end of the tube 37 and its other end resting against the ears 41. The spring 45 functions to normally project the tube 37 outwardly, such movement being limited by the engagement of the bead 44 against the stop lugs 40. However, the tubes 36 and 37 can be separated in an axial direction by pulling them apart, the tube 36 yielding to allow the bead 44 to slide past the stop lugs 40.

When the tubes 36 and 37 are separated in the manner explained above, a series or set of the cleaner rods 30 is placed on the tube 36 by sliding their loops 33 thereon. By arranging the cleaner rods 30 in the order of their progressively increasing sizes, a rod of the desired size can thereafter be readily located and this selection may be further aided by listing the sizes or numbers of the rods on a surface of the holder device. After the several cleaner rods 30 have been placed on the tube 36, the inner end of the tube 37 is forced into the tube 36 to compress the spring 45, the bead 44 snapping into place inwardly of the stop lugs 40. The two tubes 36 and 37 are thus releasably retained in connected 0 relationship and relative sliding movement therebetween is possible. The assembly, including the spindle 35 and the cleaner rods 30, is next installed in the receptacle 10 by contracting the spindle to a length which allows it to be slid into 5 place between the side walls 12 of the receptacle.

By forcing the spindle 35 downwardly into the receptacle 10, the ends of the spindle eventually align with the lugs IT which then enter the ends of the spindle to retain the latter in place. The 0 device is then ready for use.

When the cleaner rods 30 are not in use, they are disposed within the holder device as shown in Fig. 2, that is, with their stems 31 located entirely within the receptacle 10 and resting upon the bottom wall II thereof. When the cover member 20 is pivoted to the closed position shown in Figs. 1 and 3, the cleaner rods 30 are concealed and thus fully protected against damage. As the cover member 20 is swung to closed position, its detent projections 23 snap into the detent recesses 16 of the receptacle 10 so that the parts of the holder device are releasably retained in closed relationship.

When it is desired to utilize a cleaner rod 30 for the purpose of cleaning the orifice of a welding tip or other burner, the cover member 20 is pried upwardly to release the detents 23, 16 and to cause the cover member to assume the position indicated by the broken lines on Fig. 3. The 4o appropriate cleaner rod 30 is then pivoted on the spindle 35 to the operative position shown at the left in Fig. 3, that is, with its stem portion 31 projecting from the left-hand end of the device.

The cover member 20 is then returned to closed position and the stem portion of the cleaner rod projects outwardly through the aperture 24 existing between the top and bottom walls of the respective cover member 20 and the receptacle 10.

To apply the cleaner rod 30 to use, the holder device is held in the hand of the operator and thus serves as a handle which greatly facilitates inserting and sliding the cleaner rod back and forth in the orifice of the burner tip. Upon completion of a tip cleaning operation, the holder device is again opened and the active cleaner rod 30 is pivoted on the spindle 35 to inoperative position within the receptacle 10 as shown in Fig. 2, after which the cover member 20 is pivoted to the closed position illustrated in Fig. 1 to conceal and protect the rod.

When it is desired to replace worn cleaner rods 30 with new ones, the spindle 35 is pried upwardly out of the receptacle, the spring 45 yielding to permit release of the detent lugs 17 from the ends of the tubes 36 and 37. By forcibly separating the tubes 36 and 37, it is possible to remove the cleaner rods 30 from the spindle and to substitute new rods for those which have become worn. The spindle, together with the new cleaner rods, is then reassembled in the holder device in the manner previously explained.

It will be observed from the foregoing that the present invention provides a simple, yet highly practical holder device for holding attenuate objects such as cleaner rods used for cleaning the orifices of welding tips and other burners. The cleaner rods are wholly enclosed within the holder device and thus fully protected against damage.

By the present construction any of the cleaner rods can be readily pivoted from a concealed inoperative position to an exposed operative position and, as a feature of the invention, the holder device serves as a handle by which the cleaner rod can be operated. Moreover, the cleaner rods are positively retained in the holder device to 1 guard against loss thereof and they can be conveniently replaced when they become worn. The holder device is strong and durable and is not easily damaged, even when stored with other articles in a tool box. Furthermore, the parts of the 1 holder device are simple in construction and lend themselves to mass production methods of manufacture so that the device can be made and sold at a very reasonable price.

While I have herein shown and described the 2 holder device as embodied in a preferred form of construction, by way of example, it will be apparent that various modifications might be made therein without departing from the spirit of the invention. Consequently, I do not wish to be lim- 2o ited in this respect but desire to be afforded the full scope of the appended claims.

I claim as my invention: 1. A holder for attenuate objects having loops at one of their ends, comprising: a box-like receptacle having a bottom wall, side walls, an end wall having an opening, and an open top; an extensible support spindle disposed between said side walls adjacent said end wall. said spindle being adapted to receive the loops of the objects 36 to permit the same to pivot thereon from a retracted position within said receptacle to an extended position wherein their free ends project outwardly through the opening in said end wall, said side walls of said receptacle being provided with indentations in alignment with said spindle; and a cover member pivoted to said receptacle at the other end thereof to adapt said cover member to be opened to permit pivotal movement of the objects and to be closed to retain the objects in their extended and retracted positions, said cover member being of channel shape and having resilient side flanges adapted to overlie said side walls of said receptacle, said side flanges having detent projections adapted to snap into said in- 60 dentations when said cover member is pivoted to closed position.

2. A holder as defined in claim 1 in which said support spindle is tubular throughout its length, the ends of the bore of said spindle being adapted to receive inwardly directed projections of said 5 side walls of said receptacle so as to mount said spindle between said side walls.

3. A holder as defined in claim 1 in which said support spindle comprises a pair of telescoping tubular elements, the outer ends of the axial bores 60 of said elements being adapted to receive inwardly directed projections of said side walls of said receptacle so as to detachably connect said spindle to and within said re.epnt.n.le 4. A holder as defined in claim 1 in which said support spindle comprises a pair of telescopic tubular elements having integral flanges at their outer ends adapted to engage against the inner surfaces of said side walls, said outer ends of the bores of said elements being adapted to receive inwardly directed projections of said side walls so as to detachably connect said spindle to and within said receptacle.

0 5. A holder as defined in claim 1 in which said support spindle comprises: a pair of telescopic tubular elements having flanges at their outer ends adapted to engage against the inner surfaces of said side walls, the outer ends of the bores 5 of said elements being adapted to receive inwardly directed projections of said side walls so as to detachably connect said spindle to and within said receptacle; and interengaging friction means on said tubular elements for resisting complete 0 separation of the same.

6. A holder as defined in claim 1 in which said support spindle comprises: a pair of telescopic tubular elements having flanges at their outer ends adapted to engage against the inner surfaces 5 of said side walls, said outer ends being adapted to receive said indentations of said side walls so as to detachably connect said spindle to and within said receptacle; friction means on said tubular elements for resisting complete separation of the Ssame; and resilient means for effecting relative sliding movement of said tubular elements to extend the length of said spindle.

7. A holder as defined in claim 1 in which said support spindle comprises: a pair of telescopic tubular elements having flanges at their outer ends adapted to engage against the inner surfaces of said side walls, said outer ends being adapted to receive inwardly directed projections of said side walls so as to detachably connect said spindle to and within said receptacle, one of said tubular elements having inwardly directed ears; a coil spring compressed between said ears and the inner end of the other tubular element and effecting relative axial sliding movement of said elements in opposite directions to elongate said spindle; and interengageable stop means on said elements for resisting separation of said elements said stop means being disengageable by a pulling force exerted on said elements in opposite directions so as to permit the loops of the attenuate objects to be slid onto one of said elements.

HARRY D. MAITLEN.

REFERENCES CITED The following references are of record in the file of this patent: UNITED STATES PATENTS Number 1,299,556 1,494,242 1,639,551 1,779,621 1,951,660 Name Date Crecelius ---------- Apr. 8, 1919 Hill --_____----- _ May 13, 1924 Booth --- ___---- _ Aug. 16, 1927 Moore ----------- Oct. 28, 1930 Klaudt --_--------- Mar. 20, 1934 to .. ....i.h ... ... re vta ve. Certificate of Correction Patent No. 2,473,758. June 21, 1949.

HARRY D. MAITLEN It is hereby certified that error appears in the printed specification of the above numbered patent requiring correction as follows: Column 6, line 28, claim 6, before the word "friction" insert interengaging; and that the said Letters Patent should be read with this correction therein that the same may conform to the record of the case in the Patent Office.

Signed and sealed this 22nd day of November, A. D. 1949.

THOMAS F. MURPHY, Assistant Commissioner of Patents.