US1357041A

US1357041A - Drill-stand

Info

Publication number: US1357041A
Application number: US295307A
Authority: US
Inventors: Fritch Eugene Carl
Original assignee: Individual
Current assignee: Individual
Priority date: 1919-05-07
Filing date: 1919-05-07
Publication date: 1920-10-26
Anticipated expiration: 1937-10-26

Description

E. C. FRITCH.

DRILL STAND.

. APPLICATION FILED MAY 7, I919. Patented Oct. 26

2 SHEETSSHEET l- Eilgena EJ. Frir|:h 10

E. c. FRITCH, DRILL STAND.

. APPLICATION men MAY 7. 1919. Patented Oct. 26 1920.-

2 SHEETS-SHEET 2- 1- VIII/A Willa-E7100 0 Elnmntoz finger 1e B.

ELUGENE CARL FRITdI-I, F SCHENEGTADY, NEW YORK.

DRILL- STAND.

Specification of Letters Patent.

Patented Oct. 26, 1920.

Application filed May 7, 1919. SerialNo. 295,307.

T 0 all whom it may concern:

Be it known that I, EUGENE O. FRITCH,

a citizen of the United States, residing 'at Schenectady, in the county of Schenectady and State of New York, have invented certain new and useful Improvements in Drill- Stands, of which the following is a specification.

This invention relates to drill stands, and an object of the invention is to provide a stand for drill bits, provided with a plurality of sockets of various sizes to permit the supporting of various sized drill bits, and an object of the invention is to provide a drill stand, as specified, which comprises a plurality of hinged connected sections,

' folded or collapsed each formed of pressed or cut metalfshaped to provide a receiving portion for the shanks of the drill, to support the drills in vertical positions, and also to provide detachable catch members for supporting and retaining the hingedly connected sections in their extended positions. to support the drill stands against falling movement caused by the overtopping weight of the projecting portions of the drill bit, which fastening means are detachable to permit the sections of the drill stands to be folded into a comparatively compact space. I

A further object of the invention is to provide a drill stand as specified, in which the sections are substantially U-shaped in cross section, having supporting plates attached thereto and positioned, intermediate of their ends, against which the lower or inner ends of the shanks of the drill bits engage, to provide corrugated plates within ,the U-shaped body into the corrugations of which the shanks of the drill bit are forced and retained by spring tongues cut from the sides of the sections of the stand;

Other objects of the invention will appear inthe following detailed description, taken in connection with the accompanying draw ings, forming a part of this specification, and in which drawings:

Figure 1 is a top plan of the improved drill stand. showing it in an extended position.

Fig. 2 is a top plan of the drill stand in a 1position.

\ Fig. 3 is a vertica section through one of the sections of the drill stand, showing the drill in place therein.

Fig. 4 is a fragmentary longitudinal section through one of the drill stands;

Fig. 5 is a fragmentary horizontal section through one of the sections of the drill stand. 1

Fig. 6 is a fragmentary perspective view illustrating the manner of bracing the hinged connection between the adjacent ends of two sections of the drill stand.

Fig. 7 is a fragmentary perspective illustratihg the mannerof hingedly connecting two adjacent ends of other sections of the drillstand structure.

Fig. 8 is a fragmentary perspective illustrati'ng'the mannerof connecting the free ends of the sections of the drill stand, and

Fig. 9 is a fragmentary vertical section through a modified form of one of'the sections of the drill stand.

Referring more particularly to the drawings, 11 designates the drill stand as an entirety which is composed of a plurality of hingedly connected sections, illustrated in the drawin s as three, namely the

sec tions

12, 1s and 14.

The bodies of each of the

sections

12, 13 and 14 are preferably formed of sheet metal, and bent to assume substantially an inverted U-shape as clearly shown in Fig. 3 of the drawings, having their upper horizontal I portions 25 provided with a-plurality of openings 26, varying in size and adapted to receive drill bits of various sizes. The openings preferably are graduated, from the larger size drill to be supported to the smallest, as clearly shown in Figs. 1 and 2. The drills, as indicated at A in Fig. 3 of the drawings, are inserted through the openings 26 and their lower ends rest upon supports 27 These supports are preferably made separate from the body of the sections and are retained in proper position by tongues 28 which extend through suitable openings in the depending sides 29 of the supports 27. The tongues 28 are punched from the parallel sides of the inverted U-shaped bodies of the sections as clearlyshown in Fig. 3 of the drawings. Plates 30 are placed upon the supports 27 adjacent the outer sides of the sections, and these plates are provided with .depends' or outstruck portions 31, the concave surfaces of which face toward the sides 9 of the sections, formin partial pockets for receiving the shanks o the bits A as clearly shown in Fig. 5 of the drawings. Spring tongues 32 are cut from the inner sides 901: the sections and these tongues are curved inwardly and slightly outwardly as shown at 33 to provide spring contact with the shanks of the bit inserted through the openings 26 to force the shanks into the concave portion of the plates 30 for securely supporting the drills in the stand structure 1 and to prevent the drills from falling out of the drill stand when the latter is turned upside down or placed upon its side.

The plate 27 of the

various sections

12, 13 and 14 have cars 36 formed upon their end portions to which ears the links, which hingedly connect the various sections, are con nected.

For instance, the plate 27 of the section 12 of the drill stand has a link 38 pivotally connected thereto by means of a suitable pin 39. This link 38 is also connected to the ear 36 carried at the end of the section 13 adjacent to the end of the section 12 to which the link 38 is pivoted. The link 38 is also pivoted to the car 36 of the section 13 by a pin 40. The link 38 has extensions 41 formed upon its ends, which engage the ends of the outer sidesof the

sections

12 and 13, as clearly shown in Fig. 6 of the drawings to limit the relative movement of these sections.

The adjacent ends of the

sections

13 and 14 are hingedly connected by a link 42, which is pivotally connected by means of pins 43 to the projecting ears 36 which are formed upon the ends of the plates 27 carried by the respective sections. The link 42 is provided with a cut-out portion 44 in one edge thereof which receives therein, the end portions of the

sections

13 and 14 when in an unfolded or extended position as shown in Fig. 1 of the drawings, the shoulders formed in the ends of said cut-out port on engaging the inner surfaces of the inner side of the section and limiting their pivotal movement toward each other.

The ends of the

sections

12 and 14 remote from the edge thereof to which the

links

38 and 42 respectively are connected, have looking

links

45 and 46 pivotally connected thereto. The link 45 is pivotally connected by means of a pin 47 to the ear 36 and rests upon the upper surface of the same, while the link 46 is connected by means of a pin 48 to the car 36 which projects from the end of the plate 27 carried by the section 12, and beneath these ears as clearly shown in Fig. 8 of the drawings. These

pivoted locking links

45 and 46 are provided with notches 49 in each of their side edges near their free ends. When the sections are in an extended or unfolded position, as shown in Fig. 1 of the drawings, the adjacent ends of the

sections

12 and 14 are connected, by the interlocking engagement of the

links

45 and 46 with the projecting ends of the

pins

47 and 48, the said pins projecting upon the opposite sides of the ears 36, from the sides upon which carries the same, as clearly shown in Fig. 6 of the drawings, so that when the

sections

12, 13 and 14 are folded, as shown in Fig. 2 of the drawings, the notch or recess in one edge of the link 45 engages the'upper projecting end of said pin, while one of the notches 49 of the link 46 engages the end of the pin 43, thereby locking the

various sections

12, 13 and 14 in their folded positions.

In Fig. 9 of the drawings, a modified form of the stand is shown. In this construction, the upper horizontal portion 25 of the sections of which the drill stand 1 is formed,

are provided with openings 26 adapted to' receive the shank of a drill bit B therethrough, and the support 27 which is supported between the parallel sides 9 and 10 include substantially parallel

horizontal portions

30 and 31 positioned in superposed relation. The upper horizontal portion 30 is provided with openings 32 alining with the openings 26 and adapted to permit the inner or lower ends of the shank of the drill B to extend therethrough for resting upon the lower horizontal section 31 This support 27 is attached to the sides 9 and 10 by tongues 28 which extend through suitable openings in the vertical portions of the supports 27*. Plates 33 which are provided with suitable depressions similar to the plate 30 are provided in the modified construction of the drill stand, into which pockets or outstruck portions the shank of the drills are forced by spring tongues 34 which are cut from the sides 9 of the sections of the modified form of the drill stand.

The

plates

30 and 33 are maintained in their proper positions by means of upwardly and downwardly extending tongues 35 which extend through suitable openings in the horizontal portion 25 of the sections and the horizontal portions of the support 27 as clearly shown in F ig. 4 of the drawings.

Changes in details may be made without departing from the spirit of this invention, but;

I claim:

1. A drill stand for holding drills of graduated sizes, said stand comprising a plurality of hinged sections adapted to be opened up or folded together, and each sec-- tion comprising an elongated body portion having openings of graduated sizes at its upper portion to receive drill bits and pro a spring member for each bit, said spring members projecting inwardly toward the bits to hold them in frictional engagement with said abutments whereby when the stand is inverted the bits will not fall out.

2. A drill stand for h lding drills of graduated sizes, said stand dbmprising a plurality of hinged sections adapted to be, opened up or folded together, and each section comprising an elongated body portion having openings of graduated sizes at its upper portion to receive drill bits and pro viding at one side a lateral abutment for each drill bit, and a strip which extends along said section on the side 'of the bits opposite to the lateral abutments and has an integrally formed inwardly curved spring finger for each bit, said fingers engaging the. bits and holdingthem in frictional engagement with said abutments to prevent the bits from falling from the stand when it is inverted. v I

3. In a drill stand, a substantially inverted U-shaped body provided with a plurality of spaced openings in its upper horizontal surface, a supporting plate positioned between the parallel sides of'said body near its lower end, tongues struck from the parallel sides of said body to support said supporting plate, a vertical plate resting upon said supporting plate and being provided with a 3 plurality of indentations therein, and spring tongues struck from, one of said parallel sides and adapted to engage the shanks of drill bits to force them into said depressions.

4. In a drill stand, the combination, of a pluralityof sections substantially inverted U- shaped in cross section, means hingedly connecting the adjacent ends of certain of said sections to permit the sections to be folded, means formed upon certain of said last-named means for maintaining said sections inunfolded position, means carried by the adj acentends of certain of said sections for connecting sai adjacent ends, supporting-plates carried by, each of said sections near their lower open ends, the horizontal portions of each of said sections provided with a plurality of openings adapted to receive drill bits therethrough, longitudinal plates carried by said supporting plates and extending parallel to the parallel sides of said sections, said longitudinal plates provided with vertically extending depressions therein adapted to receive therein portions of the shanks of drill bits inserted through said openings. r

5. In a drill stand, the combination, of a I plurality of sections substantially inverted U-shaped incross section, means hingedly connecting the adjacent ends of certain of with a plurality of openings adapted toreceive drill bits therethrough, longitudinal plates carried by said supporting plates and extending parallel to the parallel sides of said sections, said longitudinal plates provided with vertically extending depressions adapted to receive therein portions of the shanks of drill bits inserted through said openings, one of the parallel sides of each of said sections having spring tongues struck therefrom and curved inwardly for forcing a drill bit shankinto said depressions in said longitudinal plates.

6. In'a drill stand, the combination of a plurality of body sections, having openings at their upper portions, to receive drill bits,

and providing abutments for each drill bit laterally thereof, a leaf spring for each drill bit for urging it in frictional contact longitudinally of the abutment, links hingedly connecting the adjacent ends of certain of said sections, shoulders formed upon said links for engagement with the body sections to maintain them in predetermined unfolded positions, locking links pivotally connected to the ends of certain of said sections, pivoting pins therefor projecting beyond the surfaces of their respective links and adapted to be engaged by the locking link other than the one supported thereby to lock the stand in an unfolded position.

7 In a drill stand, the combination of a plurality of body sections, drill bit supporting means carried thereby, links hingedly connecting 'the adjacent ends of certain of said sections, shoulders formed upon said links for engagement with the body sections to maintain them in predetermined unfolded position, locking links connected to the ends of certain of said sections, pivoting pins therefor projecting beyond the surfaces of their respective links and adapted to be en gaged by the lobking link other than the one supported thereby to lock the same in an unfolded position. p v I EUGENE CARL FRITCH.