US790086A - Folding bit-brace. - Google Patents

Folding bit-brace. Download PDF

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US790086A
US790086A US22828704A US1904228287A US790086A US 790086 A US790086 A US 790086A US 22828704 A US22828704 A US 22828704A US 1904228287 A US1904228287 A US 1904228287A US 790086 A US790086 A US 790086A
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brace
wing
plate
slot
tenon
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Charles W Stites
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B45/00Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
    • B23B45/06Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor driven by man-power

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  • the object of my invention is to provide novel details of construction for abit-holding brace, such as is used by woodworkers, which enable the body of the brace to be folded into a compact package and be quickly arranged Afor use when this is desired, a further object being to so construct the parts forming the brace thatit will be very light, strong at the bends in the same, be adapted for a reliable connection of the members thereof where the parts are hinged together, and as an entirety provide a neat shapely device for the purpose specified.
  • Figure 1 is a partly-sectional side view of the improved brace arranged for service.
  • Fig. 2 is a side View of the same ina close-folded condition.
  • Fig. 3 is a longitudinal sectional view substantially on the line 3 3 in Fig. 1.
  • Fig. 4 is a partly-sectional plan view of details substantially on the line 4L 4C in Fig. 1.
  • Fig. 5 is a transverse sectional view substantially on the line 5 5 in Fig. 1.
  • Fig.' Gis a fragmentary partly-sectional side view showing a ⁇ modified locking means for the elbow-joints of the brace; and
  • Fig. 7 is a reverse plan View, detached, of said lockingdevice for the joints.
  • Fig. 8 is a view in perspective of the Wingplate located at the upper end of the handle member of the structure.
  • the body of the brace is made up of three main members comprising a top horizontal member 10, a lower horizontal member 11, and an upright handle member 12.
  • the latter which at its ends is jointed upon the other members at and near like ends thereof in aA novel manner, is adapted to space apart the members 10 1l and hold them in nearly par.
  • allel planes one with the other are one with the other. It may here be stated that the features of invention principally reside in the construction and arrangement of parts forming the joint connections of the three main members, which render said connections very strong and durable, afford a support against pressure on the free end of the top member, enable the members 10 and 11 to be closely folded upon the handle member at opposite sides of the same, and adapt the bit brace for withstanding torsional strains in a reliable manner.
  • a head-piece 10h of the usual or any approved form is loosely secured and may be provided at the point of attachment with a ball-bearing, as is common with this class of woodworking-tools-
  • a bit-holding chuck 11a is secured in a plane axially coincident with the center of the headpiece 10b, and as this detail is nota patentable feature it is not illustrated interiorly and needs no further description.
  • wing-plate 12a Upon theupper end ofthe handle member 12 a laterally-extending wing-plate 12a is ⁇ formed or secured, the point Where the Wingplate is joined to the handle member having considerable width to assure necessary strength.
  • the wing-plate 12 has parallel sides and a suitable length, terminating at the end farthest from the member 12 in a tenon 12".
  • a longitudinal slot a formed in the upper member 1() of the brace-body, which extends from the end that is to be connected with handle member 12, and the wing-plate 12fL is slidably fitted into said slot, as is indicated :in Figs. 1 and 2.
  • a shorttransverse slot a is formed in the Wing-plate 12a at a point nearly central between its ends, and in the slotted portion of the upper brace member 10 opposite the slot cda cross-pin Z) is in serted therethrough, said pin passing loosely through the slot a.
  • a right-angular notch c formed at the free end of'each side wall of the slotted portion of the top member 10, these similar opposite notches leaving tongues Z extending from the side walls mentioned, which tongues may be slid into similar open recesses e, that are formed oppositely in the upright handle member 12 below but near the upper extremity of the latter.
  • a socket is formed in the terminal wall of the slot L in the brace member 10 of a shape and dimensions that adapt it to neatly receive the tenon 12". It will be apparent that when the brace member 10 is moved toward the upper end of the handle member 12 the tongues Z will slide into the open recesses c and have a bearing on the upper walls of said recesses, as appears in Fig.
  • the first-mentioned locking device consists of a slide-bolt 13, preferably dovetailed in crosssection, which is loosely fitted into a correspondingly-shaped groove f, formed longitudinally in the handle member 12 near the upper member or arm 10 of the brace, a notch g', that is formed in the edge of said member or arm, receiving the adjacent end of the bolt 13 when the tongues CZ occupy the recesses e and the tenon 12b is embedded in the socket it is to engage within, as before explained.
  • the locking device which may, if preferred, be used in place of the bolt 13, consists of a disk 14, having an annular groove /t formed in one side, leaving a nearly circular flange /1/ as a border-wall for the groove, said wall having an opening 7L formed therein, as is clearly shown in Fig. 7.
  • r1 ⁇ he disk 14 is perforated near the center, as at vl, for the reception of a pivot-bolt c", that is inserted in a threaded perforation formed in the arm 10 near the socket therein which receives the tenon 12b.
  • a notch ym In the adjacent edge of the wing-plate 12 is formed a notch ym, that will receive the flange 7U.
  • the flange /t is slightly eccentric to the pivotbolt al', so that a partial rotation o1 the disk will cause the iiange to bindupon the wall o1 the notch yn1l and hold the tenon 12" in the socket within which it interlecks when the parts are arranged as shown in Figs. 1 and (i. The notch m.
  • a wing-plate or stru t-brace 12" is formed or secured in the same plane with the wingplate 12, having a joint-ear12" formed on the end thereofwhich is below the end of the handle member, said ea r projecting laterally from thehandle member 12 in a plane coineidentwith that of the wing-plate practically as a portion thereof.
  • An end portion of the lower brace member 11 islongitudinallyslotted to receive the wing-plate or strut-brace 12, and at the termination of the slot a socket is formed which receives a tenon 12C on the plate 12" when the latter is fully inserted into the slot.
  • a pin 0 is passed through alined transverse perforations in the opposite cars 11c at their centers and is therein secured and also passes through the slot n., thus holding the brace member 11, connected with the joint-ear 12, free to move endwise and be turned around the pivot-pin o as a center in direction of the arrow .fr in Fig. 1 when this is desired.
  • 'l ⁇ he joint-ear 12 inclines from a vertical plane, as shown in Fig.
  • a slide-bolt 13 is employed for detachably securing the lower member 11 in connection with the handle IOO member 12, said bolt being longitudinally movable in a groove p, that is similar to the groove g and is formed in the handle member 12, where it is connected with the wing-plate l2c the reciprocal bolt being opposite a notch p in an appropriate leaf 11e.
  • the tenon 129 arrests the longitudinal movement of the wing-plate l2c at a point which will dispose the end of the bolt 13a opposite the notch p', into which the bolt may be slid, and thus secure the handle-piece l2 firmly connected with the lower brace member 11.
  • The'locking device shown in lFigs. 6 and 7 may be employed instead of the locking-bolt 13, if this is preferred.
  • a sleeve 15 mounted upon the handle member 12, the latter being reduced in diameter between its ends to receive the sleeve, said part being preferably formed of wood in cylindrical shape made up of two half-sections which are joined together-at their meeting edges, which are tongue-andgrooved to prevent lateral displacement, as shown at r in Fig. 5, the sleeve-sections being Secured together with cement or glue in complete condition, affording a rotatable grippiece for an easy manipulation of the brace.
  • a foldable bit-brace comprising a handle member constructed at opposite sides of its upper end with recesses, and provided at this end with a wing-plate terminating with a tenon and having a slot therein, and a top member having tongues at its inner end received in said recesses, and also having aslot receiving the wing-plate, this slot having a notch in'its base receiving said tenon, and the said top member being provided with a crosspin passing through the slot in the wingplate.
  • a foldable bit-brace comprising al handle member constructed at opposite sides of its upper end with recesses, and provided atV this end with a wing-plate terminating with a tenon and having a slot therein, a top member having tongues at its inner end received in said recesses, and also having a slot receiving the wing-plate, this slot having a notch in its base receiving said tenon, and the said top n member being provided with a cross-pin passber constructed at its lower end with a wingplate extending beyond one side of said member, and provided with an ear extending' beyond the opposite side of the member, this ear having a slot therein and the wing-plate terminating with a tenon, and a lower member having ears at its inner end embracing said first-named ear, and also havinga slot receiving the wing-plate, this slot having a notch in its base receiving said tenon, and the said lower member being provided with a crosspin passing through the slot in the iirst-
  • a bit-brace comprising ai handle member constructed at its lower end with a wingplate extending beyondone side of said member, and provided with an ear extending beyond the opposite side of the member, this ear having a slot therein and the wing-plate terminating with a tenon, a lower member having ears at its inner end embracing said iirstnamed ear, and also having a slot receiving the wing-plate, this slot having a notch in its base receiving said tenon, and the said lower member being provided with a cross-pin passing through the slot in the first-named ear, and means for locking said lower member against movement with respect to the handle member.
  • a bit-brace embodying a handle member having a slotted ear on one end and lateral recesses formed in the other end, a wing-plate IOO for each end of the handle member projecting respectively from the recesses and the ear in substantially the same plane with each other, two longitudinally-slotted arms each receiving a wing-plate, a tenon on the end of each wing-plate occupying a socket in the end wall vin the ear, and means for holding this arm from rocking and sliding.
  • the handle member In a bit-brace of the character described, the handle member, the wing-plate on each end of the handle member extended laterally therefrom in substantiallythe same plane, the upper and lower slotted arms which respectively receive the wing-plates, the tenons on the wing-plates that occupy sockets in the arms, the transverse pinsin the arms adapted ITO to rock and slide in slots in one Wing-plate and an ear on an end of the handle member, and the slide-bolts respectively held in recesses in end portions of the handle member and adapted for engagement in respective notches in the arms for holding, ⁇ said arms stationary.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)

Description

G. W. Sirius. FOLDING BIT BRAGE.
APPLIOATION FILED 00T.13,1904.
PATENTED MAY 16, 1905. 4 .l
Lio-790.086.
UNITED STATES Patented May 16, 1905.
vCHARLES W. STITES, OF NEW YORK, N. Y. A
FOLDING. BIT-BRACE.
SPECIFICATION forming part of Letters Patent No. 790,086, dated May 16, 1905.
Application filed October 13, 1904.. Serial No. 228,287.
fo all whom zit' may concern,.-
Be it known that I, CHARLES W. S'rrrns, a
l citizen of the United States, and a resident of the city of New York, borough of Manhattan, in the county and State of New York, have invented a new and Improved Folding Bite` Brace, of which the following is a full, clear, and exact description.
The object of my invention is to provide novel details of construction for abit-holding brace, such as is used by woodworkers, which enable the body of the brace to be folded into a compact package and be quickly arranged Afor use when this is desired, a further object being to so construct the parts forming the brace thatit will be very light, strong at the bends in the same, be adapted for a reliable connection of the members thereof where the parts are hinged together, and as an entirety provide a neat shapely device for the purpose specified.
The invention consists in the novel construction and combination of parts, as is hereinafter described, and defined in the claims.
Reference is to be had tothe accompanying drawings, forming a part of this specification, in which similar characters of reference indicate corresponding parts in all the figures.
Figure 1 is a partly-sectional side view of the improved brace arranged for service. Fig. 2 is a side View of the same ina close-folded condition. Fig. 3 isa longitudinal sectional view substantially on the line 3 3 in Fig. 1. f Fig. 4 is a partly-sectional plan view of details substantially on the line 4L 4C in Fig. 1. Fig. 5 is a transverse sectional view substantially on the line 5 5 in Fig. 1. Fig.' Gis a fragmentary partly-sectional side view showing a `modified locking means for the elbow-joints of the brace; and Fig. 7 is a reverse plan View, detached, of said lockingdevice for the joints. Fig. 8 is a view in perspective of the Wingplate located at the upper end of the handle member of the structure.
The body of the brace is made up of three main members comprising a top horizontal member 10, a lower horizontal member 11, and an upright handle member 12. The latter, which at its ends is jointed upon the other members at and near like ends thereof in aA novel manner, is adapted to space apart the members 10 1l and hold them in nearly par.
allel planes one with the other. It may here be stated that the features of invention principally reside in the construction and arrangement of parts forming the joint connections of the three main members, which render said connections very strong and durable, afford a support against pressure on the free end of the top member, enable the members 10 and 11 to be closely folded upon the handle member at opposite sides of the same, and adapt the bit brace for withstanding torsional strains in a reliable manner.
Upon the free end 10*L of the top member 10, which is turned upward, a head-piece 10h of the usual or any approved form is loosely secured and may be provided at the point of attachment with a ball-bearing, as is common with this class of woodworking-tools- Upon a corresponding end of the lower member l1 a bit-holding chuck 11a is secured in a plane axially coincident with the center of the headpiece 10b, and as this detail is nota patentable feature it is not illustrated interiorly and needs no further description.
Upon theupper end ofthe handle member 12 a laterally-extending wing-plate 12a is `formed or secured, the point Where the Wingplate is joined to the handle member having considerable width to assure necessary strength. The wing-plate 12 has parallel sides and a suitable length, terminating at the end farthest from the member 12 in a tenon 12".
There is a longitudinal slot a, formed in the upper member 1() of the brace-body, which extends from the end that is to be connected with handle member 12, and the wing-plate 12fL is slidably fitted into said slot, as is indicated :in Figs. 1 and 2. A shorttransverse slot a is formed in the Wing-plate 12a at a point nearly central between its ends, and in the slotted portion of the upper brace member 10 opposite the slot cda cross-pin Z) is in serted therethrough, said pin passing loosely through the slot a.
There is a right-angular notch c, formed at the free end of'each side wall of the slotted portion of the top member 10, these similar opposite notches leaving tongues Z extending from the side walls mentioned, which tongues may be slid into similar open recesses e, that are formed oppositely in the upright handle member 12 below but near the upper extremity of the latter. In the terminal wall of the slot L in the brace member 10 a socket is formed of a shape and dimensions that adapt it to neatly receive the tenon 12". It will be apparent that when the brace member 10 is moved toward the upper end of the handle member 12 the tongues Z will slide into the open recesses c and have a bearing on the upper walls of said recesses, as appears in Fig. 1 for one of said tongues. Then the longi tudinal movement of the brace member 10 inserts the tongues Z into the open recesses c, the tenon 12b will be slid into the socket at the end of the slot occupied by the wing-plate 12, as also appears in Fig. 1, and it will be obvious that the interlocking engagement of the tongues and tenon, as shown and described, will render the connection between the members 10 and 12 very strong, the wing-plate 12 becoming a strut-brace that greatly reinforces the connection between the members specified.
To render the connection between the brace members 10 12 reliable when they are arranged for service, means for locking the member 10 against sliding movement is provided, said means being shown in preferred form in Figs. 1 and 3 and in modiiied form in Figs. 6 and 7. The first-mentioned locking device consists of a slide-bolt 13, preferably dovetailed in crosssection, which is loosely fitted into a correspondingly-shaped groove f, formed longitudinally in the handle member 12 near the upper member or arm 10 of the brace, a notch g', that is formed in the edge of said member or arm, receiving the adjacent end of the bolt 13 when the tongues CZ occupy the recesses e and the tenon 12b is embedded in the socket it is to engage within, as before explained.
Obviously when the bolt 13 is slid into the` notch g', as shown in Fig. 1, the handle member 12 and arm 1() will be held from disconnection, adapting the wing-plate 12 to stiften the elbow formation, rendering it capable of resisting pressure applied upon the headpiece 10b when the brace is used and also to resist torsional strain incurred in use of the tool.
In Figs. 6 and 7 the locking device, which may, if preferred, be used in place of the bolt 13, consists of a disk 14, having an annular groove /t formed in one side, leaving a nearly circular flange /1/ as a border-wall for the groove, said wall having an opening 7L formed therein, as is clearly shown in Fig. 7. r1`he disk 14 is perforated near the center, as at vl, for the reception of a pivot-bolt c", that is inserted in a threaded perforation formed in the arm 10 near the socket therein which receives the tenon 12b. In the adjacent edge of the wing-plate 12 is formed a notch ym, that will receive the flange 7U. Preferably the flange /t is slightly eccentric to the pivotbolt al', so that a partial rotation o1 the disk will cause the iiange to bindupon the wall o1 the notch yn1l and hold the tenon 12" in the socket within which it interlecks when the parts are arranged as shown in Figs. 1 and (i. The notch m. is shaped to permit a free insertion of the notched edge ofthe wing-plate 12" through it, which is obviously necessary to enable the flange /1/ to enter the notch 1a and for` release of the wing-plate, so as to permit a folding movement of the arm 1() to be effected, as it is only necessary to turn the disk so that the notch or opening 7i. is alined with the edge of the wing-plate, which will perlnit a retraction of the latter, so as to release it from the socket in the arm 10, and a removal of the tongues (Z from the recesses (f.
At the normally lower end of the handle member 12 a wing-plate or stru t-brace 12" is formed or secured in the same plane with the wingplate 12, having a joint-ear12" formed on the end thereofwhich is below the end of the handle member, said ea r projecting laterally from thehandle member 12 in a plane coineidentwith that of the wing-plate practically as a portion thereof. An end portion of the lower brace member 11 islongitudinallyslotted to receive the wing-plate or strut-brace 12, and at the termination of the slot a socket is formed which receives a tenon 12C on the plate 12" when the latter is fully inserted into the slot. '.lhe slot and wing-plate mentioned have a like lateral inclination given to them, considered longitudinally, as shown in Fig. 1. Upon the free ends of the leaves 11", that are spaced apart by the slotin the brace member 11, similar cars 11" are formed, that are disposed oppositely, and these ears embrace the joint-ear 12l when the parts are assembled. In the car 12,near its center of width, a transverse slot a is formed longitudinally, as shown by dotted lines in Fig. 1. A pin 0 is passed through alined transverse perforations in the opposite cars 11c at their centers and is therein secured and also passes through the slot n., thus holding the brace member 11, connected with the joint-ear 12, free to move endwise and be turned around the pivot-pin o as a center in direction of the arrow .fr in Fig. 1 when this is desired. 'l`he joint-ear 12 inclines from a vertical plane, as shown in Fig. 3, this inclination of the ear and the lateral trend, of the wing-plate12l adapting the brace member 11 to fold at one side of the handle member 12 and dispose the chuck 11 at one side of the arm or top member 10 when the said members 1() and 11 are respcctively turned in direction of the arrows a" fr, thus compactly folding all members o1 the bit-brace.
As shown in Figs. 1 and L1, a slide-bolt 13 is employed for detachably securing the lower member 11 in connection with the handle IOO member 12, said bolt being longitudinally movable in a groove p, that is similar to the groove g and is formed in the handle member 12, where it is connected with the wing-plate l2c the reciprocal bolt being opposite a notch p in an appropriate leaf 11e.
It will be seen that when the lower brace` 'member ll is to be looked in position for service if it has been folded asshown in Fig. 2 said member is turned on the pin 0 in a reverse direction t0 that indicated by the arrow .fr untill the wing-plate 12c is properly introduced between the leavesllb, the slot n facilitating this adjustment. The wing-plate is now moved endwise in the slot between the leaves 111 until the tenon l2e enters the socket formed to receive it at the end of the slot in the brace member 1l. When fully embedded in the socket, the tenon 129 arrests the longitudinal movement of the wing-plate l2c at a point which will dispose the end of the bolt 13a opposite the notch p', into which the bolt may be slid, and thus secure the handle-piece l2 firmly connected with the lower brace member 11.
The'locking device shown in lFigs. 6 and 7 may be employed instead of the locking-bolt 13, if this is preferred.
There is a sleeve 15 mounted upon the handle member 12, the latter being reduced in diameter between its ends to receive the sleeve, said part being preferably formed of wood in cylindrical shape made up of two half-sections which are joined together-at their meeting edges, which are tongue-andgrooved to prevent lateral displacement, as shown at r in Fig. 5, the sleeve-sections being Secured together with cement or glue in complete condition, affording a rotatable grippiece for an easy manipulation of the brace.
Having thusdescribed my invention, I claim as new and desire to secure byLetters Patent- 1. A foldable bit-brace, comprising a handle member constructed at opposite sides of its upper end with recesses, and provided at this end with a wing-plate terminating with a tenon and having a slot therein, anda top member having tongues at its inner end received in said recesses, and also having aslot receiving the wing-plate, this slot having a notch in'its base receiving said tenon, and the said top member being provided with a crosspin passing through the slot in the wingplate.
2. A foldable bit-brace, comprising al handle member constructed at opposite sides of its upper end with recesses, and provided atV this end with a wing-plate terminating with a tenon and having a slot therein, a top member having tongues at its inner end received in said recesses, and also having a slot receiving the wing-plate, this slot having a notch in its base receiving said tenon, and the said top n member being provided with a cross-pin passber constructed at its lower end with a wingplate extending beyond one side of said member, and provided with an ear extending' beyond the opposite side of the member, this ear having a slot therein and the wing-plate terminating with a tenon, and a lower member having ears at its inner end embracing said first-named ear, and also havinga slot receiving the wing-plate, this slot having a notch in its base receiving said tenon, and the said lower member being provided with a crosspin passing through the slot in the iirst-named ear.
4. A bit-brace, comprising ai handle member constructed at its lower end with a wingplate extending beyondone side of said member, and provided with an ear extending beyond the opposite side of the member, this ear having a slot therein and the wing-plate terminating with a tenon, a lower member having ears at its inner end embracing said iirstnamed ear, and also having a slot receiving the wing-plate, this slot having a notch in its base receiving said tenon, and the said lower member being provided with a cross-pin passing through the slot in the first-named ear, and means for locking said lower member against movement with respect to the handle member. v
5. A bit-brace embodying a handle member having a slotted ear on one end and lateral recesses formed in the other end, a wing-plate IOO for each end of the handle member projecting respectively from the recesses and the ear in substantially the same plane with each other, two longitudinally-slotted arms each receiving a wing-plate, a tenon on the end of each wing-plate occupying a socket in the end wall vin the ear, and means for holding this arm from rocking and sliding.
6. In a bit-brace of the character described, the handle member, the wing-plate on each end of the handle member extended laterally therefrom in substantiallythe same plane, the upper and lower slotted arms which respectively receive the wing-plates, the tenons on the wing-plates that occupy sockets in the arms, the transverse pinsin the arms adapted ITO to rock and slide in slots in one Wing-plate and an ear on an end of the handle member, and the slide-bolts respectively held in recesses in end portions of the handle member and adapted for engagement in respective notches in the arms for holding,` said arms stationary.
In testimony Wheleol3 l have sign ed my name to this specilication in the presence of two suhscribing Witnesses.
CHARLES lV. S'll'llCS.
Witnesses:
WM. P. PATI'oN, JNO. M. RITTER.
US22828704A 1904-10-13 1904-10-13 Folding bit-brace. Expired - Lifetime US790086A (en)

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