US429149A - Joseph o brien - Google Patents

Joseph o brien Download PDF

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US429149A
US429149A US429149DA US429149A US 429149 A US429149 A US 429149A US 429149D A US429149D A US 429149DA US 429149 A US429149 A US 429149A
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anvil
block
horn
joseph
shoulder
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • B21D5/0209—Tools therefor

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  • This improvement in anvils consists in substance in an attachable and detachable block for the full length and width of the anvil and having a working-face on its upper side ending at the horn of the anvil, which is set slightly below it, and also having a tongue projection on and lengthwise of the under side of and integral with it, in combination with a recess in the body of the anvil to receive said tongue projection of said block, and means passing through the anvil-body and said tongue projection at the central and opposite end portions of the projection and from side to side of the anvil for fastening said projection of said block in said recess, and thereby drawing and holding the block to a tight and close seat on the anvil, said means being preferably provided with appliances for fastening them against accidental movement, all substantially as hereinafter described, and pointed out in the claim.
  • Figure 1 is a plan View of the anvil.
  • Fig. 2 is a side elevation.
  • Figs. 3 and 4 are vertical sections, lines 3 3 and 4: at, Fig. 2.
  • Fig. 5 is a View of the detachable block of the anvil and at its end toward the horn.
  • Fig. 6 is a section in detail, line 6 6, Fig. 1.
  • A is the body of the anvil.
  • B is the detachable block, having a working-face B and O is the horn.
  • anvil-body A and horn C are the same as ordinary.
  • the anvil-body A on its upper side is cut away from end to end, terminating at the inner end C of the horn in a vertical shoulder Aihaving its angle a of junction with the anvil-body rounded along and concave in a direction transverse to its length, as shown in Fig. 6, for the full width of the inner end (J of the horn, which is of a width slightly less than the width of the anvil-body at said shoulder and the block laps by said rounded corner at the opposite sides of the anvil-body.
  • the block B seats upon the upper face of the said cut-out portion of the anvil-body, covering its full width and length and projecting at one end beyond the end of the anvil-body the farther removed from the horn O.
  • the block is thicker than the depth of the cut-out portion of the anvil-body and it rises above the upper face of the horn at its end toward said block.
  • the block on its under side has alongitudinal vertical projection B along and for its central portion, and the anvil-body is suitably recessed to receive it, but slightly longer to allow lengthwise movement of the block on the anvil-body to enable it to be seated on its upper side and to be brought into close endwise bearing against the shoulder of the body.
  • This tongue at its opposite end portions has horizontal round bores or holes D D in line with corresponding bores of the anvil-body and extending horizontally through said holes and from side to side of the anvil, all so that fastening-pins EE each of a taper end to end can be driven thereinto from side to side of the anvil-body, Fig. 3.
  • the tongue 13 of the block B at its central portion has a vertical slot- E and the opposite sides of the body have corresponding vertical slots, all for the reception of upper and lower wedge-pins F F
  • the lower wedgepin F has a shoulder F at its opposite ends, and it is inserted in said slots, and thereby engaged with the sides of the anvil-block, holding it against lengthwise movement through the slot as the upper wedge-pin F is driven into place over it and through the slots, all of which, together with the end taper pins, co-operate to draw the block to a firm seat and to hold it on the anvil-block and in close bearing at all parts thereof, especially at the shoulder A and its rounded corner a, as stated.
  • each round taper pin E E as also the wedge-pins F F are made secure against accidental escapement or move ment, the former-that is, the rounding-pinsby driving a holding-pin G through them at their smaller end, Fig. 3, and the latter-that is, the wedge-pins F F -by a clamp H, ap
  • An anvil constructed with a movable working-face block, all as above described, is important in many respects, among others that it is essentially and practically as serviceable as it would be were it solid; that when the working-block is worn so as to be useless it can be removed and replaced with another at comparatively small expense; that the joint of block and anvil-body is perfect, and more particularly so because of the round of the corner of block and corner of shoulderof anvil; that there is no possibility of accidental loosening of the fastenings of the block, and that as the working-face rises above and projects at the opposite sides of the horn it isfree and clear from interference therewith or of it with the work being hammered or forged on the working-face of the block.
  • the anvil-body cut away on its upper side and across its full length and width, terminating in a vertical transverse shoulder A at its end toward its horn O,which is integral with the body and having a vertical recess open at its upper side and the block shaped to fill said cut-away portion of the anvil-body and its shoulder and to rise above the horn G, and having a central 1ongitudinal tongue projection B to fit said recess of the anvil-body, in combination with detachable Wedge or taper pins driven through the anvil-body, and said tongue projection of the block both suitably adapted therefor and from side to side of the anvil and located at the opposite end and central portions of said tongue projection and recess therefor, substantially as described, for the purpose specified.

Description

(No Model.)
J. OBRIEN.
, -ANVIL. No. 429,149. Patented June 3, 1890.
Q F'l'ggl gm UNITED STATES ATENT JOSEPH OBRIEN, OF BOSTON, MASSACHUSETTS, ASSIGNOR TO JEREMIAH OAREW, OF SAME PLACE.
ANV-IL,
SPECIFICATION forming part of Letters Patent Igl'o. 429,149, dated June 3, 1890.
Application filed December 4,1889. Serial No. 332,607. No model.)
To all whom it may concern:
Be it known that I, JOSEPH OBRIEN,acitizen of the United States of America, and a resident of the city of Boston, in the county of Suffolk and State of Massachusetts, have invented certain new and useful Improvements in Anvils, of which the following is a full, clear, and exact description.
This improvement in anvils consists in substance in an attachable and detachable block for the full length and width of the anvil and having a working-face on its upper side ending at the horn of the anvil, which is set slightly below it, and also having a tongue projection on and lengthwise of the under side of and integral with it, in combination with a recess in the body of the anvil to receive said tongue projection of said block, and means passing through the anvil-body and said tongue projection at the central and opposite end portions of the projection and from side to side of the anvil for fastening said projection of said block in said recess, and thereby drawing and holding the block to a tight and close seat on the anvil, said means being preferably provided with appliances for fastening them against accidental movement, all substantially as hereinafter described, and pointed out in the claim.
In the drawings forming part of this specification, Figure 1 is a plan View of the anvil. Fig. 2 is a side elevation. Figs. 3 and 4 are vertical sections, lines 3 3 and 4: at, Fig. 2. Fig. 5 is a View of the detachable block of the anvil and at its end toward the horn. Fig. 6 is a section in detail, line 6 6, Fig. 1.
In the drawings,A is the body of the anvil.
B is the detachable block, having a working-face B and O is the horn.
The anvil-body A and horn C, otherwise than in accordance with this invention, are the same as ordinary.
The anvil-body A on its upper side is cut away from end to end, terminating at the inner end C of the horn in a vertical shoulder Aihaving its angle a of junction with the anvil-body rounded along and concave in a direction transverse to its length, as shown in Fig. 6, for the full width of the inner end (J of the horn, which is of a width slightly less than the width of the anvil-body at said shoulder and the block laps by said rounded corner at the opposite sides of the anvil-body. The block B seats upon the upper face of the said cut-out portion of the anvil-body, covering its full width and length and projecting at one end beyond the end of the anvil-body the farther removed from the horn O. The block is thicker than the depth of the cut-out portion of the anvil-body and it rises above the upper face of the horn at its end toward said block. The block on its under side has alongitudinal vertical projection B along and for its central portion, and the anvil-body is suitably recessed to receive it, but slightly longer to allow lengthwise movement of the block on the anvil-body to enable it to be seated on its upper side and to be brought into close endwise bearing against the shoulder of the body. This tongue at its opposite end portions has horizontal round bores or holes D D in line with corresponding bores of the anvil-body and extending horizontally through said holes and from side to side of the anvil, all so that fastening-pins EE each of a taper end to end can be driven thereinto from side to side of the anvil-body, Fig. 3. Again, the tongue 13 of the block B at its central portion has a vertical slot- E and the opposite sides of the body have corresponding vertical slots, all for the reception of upper and lower wedge-pins F F The lower wedgepin F has a shoulder F at its opposite ends, and it is inserted in said slots, and thereby engaged with the sides of the anvil-block, holding it against lengthwise movement through the slot as the upper wedge-pin F is driven into place over it and through the slots, all of which, together with the end taper pins, co-operate to draw the block to a firm seat and to hold it on the anvil-block and in close bearing at all parts thereof, especially at the shoulder A and its rounded corner a, as stated.
Preferably each round taper pin E E as also the wedge-pins F F, severally inserted and driven into place, as stated, are made secure against accidental escapement or move ment, the former-that is, the rounding-pinsby driving a holding-pin G through them at their smaller end, Fig. 3, and the latter-that is, the wedge-pins F F -by a clamp H, ap
plied to their ends at the smaller end of the upper pin F and fastening said clamp by a set-screw J.
An anvil constructed with a movable working-face block, all as above described, is important in many respects, among others that it is essentially and practically as serviceable as it would be were it solid; that when the working-block is worn so as to be useless it can be removed and replaced with another at comparatively small expense; that the joint of block and anvil-body is perfect, and more particularly so because of the round of the corner of block and corner of shoulderof anvil; that there is no possibility of accidental loosening of the fastenings of the block, and that as the working-face rises above and projects at the opposite sides of the horn it isfree and clear from interference therewith or of it with the work being hammered or forged on the working-face of the block.
In an anvil, the anvil-body cut away on its upper side and across its full length and width, terminating in a vertical transverse shoulder A at its end toward its horn O,which is integral with the body and having a vertical recess open at its upper side and the block shaped to fill said cut-away portion of the anvil-body and its shoulder and to rise above the horn G, and having a central 1ongitudinal tongue projection B to fit said recess of the anvil-body, in combination with detachable Wedge or taper pins driven through the anvil-body, and said tongue projection of the block both suitably adapted therefor and from side to side of the anvil and located at the opposite end and central portions of said tongue projection and recess therefor, substantially as described, for the purpose specified.
In testimony whereof I have hereunto set my hand in the presence of two subscribing 45 witnesses.
Having thus described my invention,\vhat I- v c1aim,and desire to secure by Letters Patent,
JOSEPH OBRIEN. lrVitnesses:
ALBERT W. BROWN,
FRANCES M BROWN.
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