US2600165A - Platen for use with perforating and cutting machines - Google Patents
Platen for use with perforating and cutting machines Download PDFInfo
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- US2600165A US2600165A US69538A US6953849A US2600165A US 2600165 A US2600165 A US 2600165A US 69538 A US69538 A US 69538A US 6953849 A US6953849 A US 6953849A US 2600165 A US2600165 A US 2600165A
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- Prior art keywords
- platen
- shaft
- perforating
- belt
- punches
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/869—Means to drive or to guide tool
- Y10T83/8696—Means to change datum plane of tool or tool presser stroke
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/869—Means to drive or to guide tool
- Y10T83/8737—With tool positioning means synchronized with cutting stroke
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/929—Tool or tool with support
- Y10T83/9309—Anvil
Definitions
- This invention relates to an improved platen for use with perforating and cutting machines.
- Perforating and cutting machines to which the present invention is adapted generally comprise a platen or block and a cooperating die in the form of punches or knives with relative movement between the platen and die. the platen receiving the impact of the die.
- These machines and particularly the perforating machines, such, for example, as is disclosed in the patent to Knight, No. 1,584,230, include a horizontally disposed plane-faced platen as an impact block for tubular hollow punches, and, in this particular machine, the platen is vertically reciprocated relative to the punches, which have a horizontal adjustment only.
- the present invention is disclosed, by way of example, as operatively associated with the Knight perforating machine, and a primary object of the invention is to provide for the elimination of the paper while avoiding substantial damage to the platen.
- a further and more speic objectI of the invention is to provide an improved platen for use with a vertically reciproca-ble plunger, and wherein the platen is slowly rotated about a vertical axis, Whereby the vertical axes of the punches intersect the lplaten at different points in each successive impact of the punches with the platen.
- Fig. l-A is an enlarged detail elevational View as observed from the right of Fig. 1.
- Fig. 2 is a diametrical vertical section of the platen as observed in the plane of line 2-2 Qn Fig. 8.
- Fig. 3 is a top plan view of the platen, Figs. 2 and 3 being substantially enlarged.
- Fig. 4 is a -side elevational v iew corresponding to.
- Fig. 4 of -Said platent and dSClQSing a modified and preferred form of the present invention.
- Fig. 5 is an enlarged fragmental plan View particularly illustrating the drive for the platen.
- Fig. 6 is an enlarged side elevational view of the platen shown in Fig. 4.
- Fig. '7 is a top plan view of a platen similar to that of Fie. ,and wherein Same 1S ecentrically mounted.
- Fig. 8 is a plan view similar to Fig. 5, but disclosing a modified and preferred drive arrangement for the platen
- Fig. 9 is a rear elevational View of the platen structure of Fig. 8 with the drive belt omitted.
- Fig. 10 is a right side elevational view of the platen structure of Fig. 8.
- Fig. 11 is a view partly in side elevation and partly in transverse section showing a modied form of mounting for the platen.
- Fig. 12 is a top plan view of the structure illustrated in Fig. 11.
- the machine generally comprises a frame A in which is disposed a vertically reciprocable plunger B to the lower end of which is connected the platen. Supported on the frame for horizontal adjustment is an anvil C which supports the punches D disposed ben-cath the platen.
- a horizontal drive shaft E is journalled in the frame and is provided ywith an eccentric F which effects vertical reciprocation of the plunger by 3 means of link G and toggle members H, in the manner clearly set forth in said patent.
- the machine includes an adjunct for use with the paper, and same comprises a vertical frame I having an upper shaft J for supporting the paper supply roll, and a lower shaft K for supporting the paper wind-up roll, the paper extending over the guide L, together with a lower guide roll (not shown) and beneath the platen.
- the shaft K is driven by means of a belt running over pulleys M and N on the drive wheel and shaft, respectively.
- the machine further includes a corrugated c feed roll O fixed to a shaft P and which shaft is driven by means of a ratchet Q from a disk R on the shaft E.
- suilicient of the machine is above described for a clear understanding of the present invention. It is to be observed that the plunger B moves vertically as does the platen carried thereby, and that a strip of paper is fed continuously beneath the platen to avoid injury thereto by the punches D.
- the present invention comprises an improved platen as a substitution for the platen in the patent, and wherein such platen includes a horizontally rotatable element to avoid injury by the punches without the use of paper, as in the patent. Furthermore, the invention comprises novel means for rotating the platen element, as will later appear.
- the platen comprises a rectangular plate I having a central circular opening II, the plate being provided with a circular seating portion I2 outwardly of the opening and concentric therewith.
- the plate is further provided with tapped openings I3 for receiving screws, by which the platen is secured to the plunger -B.
- the platen further includes a circular plate I4 having a central hub I5 received in and rotatable in the opening II.
- the plates I0 and I4 are maintained in operative engagement by a small circular plate I6 which is secured to hub I5 by screws I1 and whose marginal portion is rotatably supported in the seating portion I2 of the plate I0.
- the plate I4 is provided with marginal gear teeth I8, and a suitable composition mat I9 rests upon the lower face of plate I4 and is suitably secured thereto.
- the plate I4 may have rotation imparted thereto by any suitable ratchet means which is operative by vertical reciprocation of the plunger B.
- the form illustrated comprises a pinion suitably connected to the plunger B by means of a bracket 2I, and the shaft '22 of the pinion is provided with a wheel having a plurality of radial pins 23.
- a spring pawl member 24 has its upper end suitably secured to the guide plates for plunger B and the lower end of such member is provided with the head 25 having a horizontal shoulder 26 and a front curved cam face 21.
- the pawl member 24 will yield as the pin wheel moves upwardly with the plunger, but upon downward movement of the plunger the wheel will be rotated by engagement of a pin 23 with the shoulder '26, and accordingly the pinion will be rotated and the platen member I4 rotated to an extent that the punches D will not strike the mat I9 at the 4 same points on the next operative cycle of the machine.
- certain of the drive mem bers of the present machine are utilized to rotate the platen.
- a plate 30 is used in place of-plate I4, and this plate has a marginal belt groove 3
- the shafts K and P, which in the patent carry the paper wind-up roll and the feed roll, respectively, are used to impart rotation to the platen member 35.
- shaft P which is rotated by the ratchet mechanism Q, is connected to shaft K (from which the vpaper roll has been removed) by means of' a belt 32 trained over pulleys 33 and 34 on the shafts P and K, respectively.
- the shaft K is provided with another pulley 35, and a crossed belt 38 extends over pulley 35 and the pulley groove 3I in the platen member 30.
- FIGs.v 8., 9 and l0 A modified and preferred form of drive for the platen is illustrated in Figs.v 8., 9 and l0, which construction provides for more accurate guiding of and alinement of the belt with the grooved plate and driving pulley as well as avoiding crossing of the belt which occasions undue Wear thereof.
- the platen is driven directly from the ratchet-actuated shaft P whereby a shorter belt is required with a corresponding increased effectiveness thereof.
- a pulley 40 is secured to the ratchet-actuated shaft P and the platen member 30 is driven directly from the pulley by means of a. round belt 4I.
- a pair of pulleys 42 is provided, and such pulleys are rotatably supported in cages 43 having eye members 44 swivally connected therewith, as in well known practice.
- the eye members 44 are connected by means of belt hooks 45 to the free ends of brackets 46 which project outwardly from the plunger B and are secured thereto as by bolts 4'I.
- the pulleys 42 readily aline with the runs of the belt due to their swivel mountings, and such pulleys also act to maintain the belt runs in proper position in vertical directions.
- the platen member 3B is of circular pulley-like form as is the member 3D previously described, but the member 30' includes a lower groove-forming portion 43 which projects substantially beyond the upper grooveforming portion, and as is shown in Fig. 9 the groove 3 I includes a lower substantially long arc 3
- Figs. 11 and 12 is illustrated a modified form of mounting for the platen, and wherein provision is made for substantial oscillation of the mat without eiecting the movement of the drive belt. Accordingly, the plate l0 and platen member 3D are concentrically mounted and the mat I9 is mounted eccentrically of the member 30.
- the mat will have an oscillating or vibrating movement, as is indicated by the solid and dot-and-dash lines in Fig. 12.
- a machine having a frame, a die member supported on the frame, an operating shaft rotatably journalled in the frame, a plunger supported in the frame above the die member and conned to vertical reciprocal movement relative thereto, and means operatively engaged with the shaft and plunger for imparting reciprocation to the latter; the improvement which comintermittent drive means between said operating shaft and said second shaft.
- a perforating machine including a frame, punches supported by the frame, a, plunger supported in the frame above the punches for vertical reciprocation relative thereto, a drive shaft rotatably supported in the frame, means operative by the drive shaft for reciprocating the plunger, a. second shaft, and drive means between the drive shaft and second shaft for imparting step rotation to the latter; the improvement which comprises a platen supported by the lower end of the plunger and including a circular punch-contacting member rotatable about a vertical axis, and a belt drive connection between the second shaft and said member for imparting intermittent rotation thereto.
- said member comprises a circular plate having a circumferential belt-receiving groove in its edge, the plate at the lower side of the groove projecting outwardly beyond the portion of the plate above the groove, and the upper face of said outwardly projecting portion being concavely curved in continuation of said groove.
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Description
June 101952 E. J. HORGAN 2,600,165
PLATEN FOR USE WITH PERFYORATING AND CUTTING MACHINES Filed Jan. 6, 1949 5 Sheets-Sheet 1 W7-Z A f f f .v j, ,l
P fag .2.
/x/e/ncv: 7d/fard Wa/yazz Jaffa/wey June 10, 1952 l E. J. HORGAN 2,600,165
PLATEN FOR USE WITH PERFORTING AND CUTTING MACHINES Filed Jan. 6, 1949 3 Sheets-Shea# 2 H tta/wey June l0, 1952 E. .1. HORGAN 2,600,165
PLATEN FOR USE WITH PERFORATING AND CUTTING MACHINES Filed Jan. 6, 1949 5 Sheets-Sheet 3 Patented June 10, 1952 OFFICE PLATEN FQB USE WITH PERFORATING cU'r'rING MAeinNEs Edward J. Hoi-gan, Chicago, Ill.
Application January 6, 1949. .Serial No. 69,538
6 Claims. 1
This invention relates to an improved platen for use with perforating and cutting machines.
Perforating and cutting machines to which the present invention is adapted, generally comprise a platen or block and a cooperating die in the form of punches or knives with relative movement between the platen and die. the platen receiving the impact of the die.
These machines, and particularly the perforating machines, such, for example, as is disclosed in the patent to Knight, No. 1,584,230, include a horizontally disposed plane-faced platen as an impact block for tubular hollow punches, and, in this particular machine, the platen is vertically reciprocated relative to the punches, which have a horizontal adjustment only.
In machines of this type, the vertical axes of the punches remain constant for any fixed horizontal adjustment of the punch-supporting anvil,
and accordingly the punches strike the platen repeatedly at the same points.
This action of the punches has heretofore been recognized as being unduly injurious to the platen, even though same be covered with a replaceable mat, for the reason that the constant impacts of the punches at the same points soon result in the formation of recesses in the platen or mat and which occasions imperfect perforating of the material.
This objection has heretofore been substantially overcome by the use of a strip of paper, which is constantly drawn from a supply roll across the platen and onto a wind-up roll, as is disclosed in the Knight patent referred t0.
While the use of paper moving constantly over the platen avoids any substantial damage to the platen or mat, it adds materially to the cost of operation, since a relatively large amount of paper is used in each day-'s operation of a machine.
The present invention is disclosed, by way of example, as operatively associated with the Knight perforating machine, and a primary object of the invention is to provide for the elimination of the paper while avoiding substantial damage to the platen.
A further and more speic objectI of the invention is to provide an improved platen for use with a vertically reciproca-ble plunger, and wherein the platen is slowly rotated about a vertical axis, Whereby the vertical axes of the punches intersect the lplaten at different points in each successive impact of the punches with the platen.
(Cl- 16d-.102.)
Other objects and advantages of the invention will become apparent in the course of the following detailed description, taken in connection with the accompanying drawings, wherein Figure 1 is a vertical sectional view through the upper portions of a perforating machine and showing the application of the present invention thereto. the gure corresponding to Fig. 3 of the patent referred to.
Fig. l-A is an enlarged detail elevational View as observed from the right of Fig. 1.
Fig. 2 is a diametrical vertical section of the platen as observed in the plane of line 2-2 Qn Fig. 8.
Fig. 3 is a top plan view of the platen, Figs. 2 and 3 being substantially enlarged.
Fig. 4 is a -side elevational v iew corresponding to. Fig. 4 of -Said platent and dSClQSing a modified and preferred form of the present invention.
Fig. 5 is an enlarged fragmental plan View particularly illustrating the drive for the platen.
Fig. 6 is an enlarged side elevational view of the platen shown in Fig. 4.
Fig. '7 is a top plan view of a platen similar to that of Fie. ,and wherein Same 1S ecentrically mounted.
Fig. 8 is a plan view similar to Fig. 5, but disclosing a modified and preferred drive arrangement for the platen Fig. 9 is a rear elevational View of the platen structure of Fig. 8 with the drive belt omitted.
Fig. 10 is a right side elevational view of the platen structure of Fig. 8.
Fig. 11 is a view partly in side elevation and partly in transverse section showing a modied form of mounting for the platen.
Fig. 12 is a top plan view of the structure illustrated in Fig. 11.
Referring now in detail to the drawings. only such parts of the perforating machine will be described as is necessary to a clear understanding of the present invention, and for the sake of clarity of disclosure, the machine parts which are old, as in said patent, are designated by letters while the elements of the invention per se are designated by numerals.
The machine generally comprises a frame A in which is disposed a vertically reciprocable plunger B to the lower end of which is connected the platen. Supported on the frame for horizontal adjustment is an anvil C which supports the punches D disposed ben-cath the platen.
A horizontal drive shaft E is journalled in the frame and is provided ywith an eccentric F which effects vertical reciprocation of the plunger by 3 means of link G and toggle members H, in the manner clearly set forth in said patent.
The machine includes an adjunct for use with the paper, and same comprises a vertical frame I having an upper shaft J for supporting the paper supply roll, and a lower shaft K for supporting the paper wind-up roll, the paper extending over the guide L, together with a lower guide roll (not shown) and beneath the platen. The shaft K is driven by means of a belt running over pulleys M and N on the drive wheel and shaft, respectively.
The machine further includes a corrugated c feed roll O fixed to a shaft P and which shaft is driven by means of a ratchet Q from a disk R on the shaft E.
It is believed that suilicient of the machine is above described for a clear understanding of the present invention. It is to be observed that the plunger B moves vertically as does the platen carried thereby, and that a strip of paper is fed continuously beneath the platen to avoid injury thereto by the punches D.
The present invention comprises an improved platen as a substitution for the platen in the patent, and wherein such platen includes a horizontally rotatable element to avoid injury by the punches without the use of paper, as in the patent. Furthermore, the invention comprises novel means for rotating the platen element, as will later appear.
According to the first form of the invention, the platen comprises a rectangular plate I having a central circular opening II, the plate being provided with a circular seating portion I2 outwardly of the opening and concentric therewith. The plate is further provided with tapped openings I3 for receiving screws, by which the platen is secured to the plunger -B.
The platen further includes a circular plate I4 having a central hub I5 received in and rotatable in the opening II. The plates I0 and I4 are maintained in operative engagement by a small circular plate I6 which is secured to hub I5 by screws I1 and whose marginal portion is rotatably supported in the seating portion I2 of the plate I0.
The plate I4 is provided with marginal gear teeth I8, and a suitable composition mat I9 rests upon the lower face of plate I4 and is suitably secured thereto. The plate I4 may have rotation imparted thereto by any suitable ratchet means which is operative by vertical reciprocation of the plunger B. The form illustrated comprises a pinion suitably connected to the plunger B by means of a bracket 2I, and the shaft '22 of the pinion is provided with a wheel having a plurality of radial pins 23.
A spring pawl member 24 has its upper end suitably secured to the guide plates for plunger B and the lower end of such member is provided with the head 25 having a horizontal shoulder 26 and a front curved cam face 21.
It is to be understood that suitable means as is common will be used to prevent clockwise rotation of the pin wheel, as observed in Fig. l-A.
With this arrangement, the pawl member 24 will yield as the pin wheel moves upwardly with the plunger, but upon downward movement of the plunger the wheel will be rotated by engagement of a pin 23 with the shoulder '26, and accordingly the pinion will be rotated and the platen member I4 rotated to an extent that the punches D will not strike the mat I9 at the 4 same points on the next operative cycle of the machine.
While an operative ratchet means is disclosed. other well known forms, such as the ball clutch. may be used.
According to the second or preferred embodiment of the invention, certain of the drive mem bers of the present machine are utilized to rotate the platen. In this form'of the invention, a plate 30 is used in place of-plate I4, and this plate has a marginal belt groove 3|. The shafts K and P, which in the patent carry the paper wind-up roll and the feed roll, respectively, are used to impart rotation to the platen member 35.
For this purpose, shaft P, which is rotated by the ratchet mechanism Q, is connected to shaft K (from which the vpaper roll has been removed) by means of' a belt 32 trained over pulleys 33 and 34 on the shafts P and K, respectively.
The shaft K is provided with another pulley 35, and a crossed belt 38 extends over pulley 35 and the pulley groove 3I in the platen member 30.
While the slow rotation of the platen provides for the punches striking the mat in different points in the successive cycles of operation, in some instances this action may be improved by providing a slight oscillation to the platen, and which may be accomplished by mounting the member' `30 eccentrically, as is illustrated in Fig. 7.
A modified and preferred form of drive for the platen is illustrated in Figs.v 8., 9 and l0, which construction provides for more accurate guiding of and alinement of the belt with the grooved plate and driving pulley as well as avoiding crossing of the belt which occasions undue Wear thereof.
In accordance with this form of drive, the platen is driven directly from the ratchet-actuated shaft P whereby a shorter belt is required with a corresponding increased effectiveness thereof. v
In this construction, a pulley 40 is secured to the ratchet-actuated shaft P and the platen member 30 is driven directly from the pulley by means of a. round belt 4I. In order to guide the opposed runs of the belt between the pulley 40 and the platen member 30', a pair of pulleys 42 is provided, and such pulleys are rotatably supported in cages 43 having eye members 44 swivally connected therewith, as in well known practice.
The eye members 44 are connected by means of belt hooks 45 to the free ends of brackets 46 which project outwardly from the plunger B and are secured thereto as by bolts 4'I.
With this construction, the pulleys 42 readily aline with the runs of the belt due to their swivel mountings, and such pulleys also act to maintain the belt runs in proper position in vertical directions.
It is to be noted that the platen member 3B is of circular pulley-like form as is the member 3D previously described, but the member 30' includes a lower groove-forming portion 43 which projects substantially beyond the upper grooveforming portion, and as is shown in Fig. 9 the groove 3 I includes a lower substantially long arc 3|a extending outwardly to the edge of the portion 48 and which acts to accurately direct the belt 4I into the groove 3 I In Figs. 11 and 12 is illustrated a modified form of mounting for the platen, and wherein provision is made for substantial oscillation of the mat without eiecting the movement of the drive belt. Accordingly, the plate l0 and platen member 3D are concentrically mounted and the mat I9 is mounted eccentrically of the member 30.
With this construction, the mat will have an oscillating or vibrating movement, as is indicated by the solid and dot-and-dash lines in Fig. 12.
While I have disclosed the improved platen structure in a perforating or cutting machine of the anvil type dies, such is for the purpose of disclosing an operative embodiment of the invention only, and the improved platen structures are not dependent upon such form of dies but are equally applicable for use with iiat dies.
I have disclosed my invention in accordance with certain specific embodiments thereof, but such is to be considered as illustrative only, and not restrictive, the scope of the invention being defined in the following claims.
What I claim and desire to secure by U. S. Letters Patent is:
1. In a machine having a frame, a die member supported on the frame, an operating shaft rotatably journalled in the frame, a plunger supported in the frame above the die member and conned to vertical reciprocal movement relative thereto, and means operatively engaged with the shaft and plunger for imparting reciprocation to the latter; the improvement which comintermittent drive means between said operating shaft and said second shaft.
2. In a perforating machine including a frame, punches supported by the frame, a, plunger supported in the frame above the punches for vertical reciprocation relative thereto, a drive shaft rotatably supported in the frame, means operative by the drive shaft for reciprocating the plunger, a. second shaft, and drive means between the drive shaft and second shaft for imparting step rotation to the latter; the improvement which comprises a platen supported by the lower end of the plunger and including a circular punch-contacting member rotatable about a vertical axis, and a belt drive connection between the second shaft and said member for imparting intermittent rotation thereto.
3. The structure according to claim 2, wherein said member comprises a grooved circular plate engaged by said belt, and a punch-contacting circular plate secured to said first plate in eccentric relation thereto.
4. The structure according to claim 2, together with a pair of pulleys supported by said member and disposed between same and said second shaft for supporting engagement with the opposite runs of the belt.
5. The structure according to claim 4, wherein said pulleys are connected to brackets projecting from said member by swivel means providing for free rotation of the pulleys about vertical axes.
6. The structure according to claim 2, wherein said member comprises a circular plate having a circumferential belt-receiving groove in its edge, the plate at the lower side of the groove projecting outwardly beyond the portion of the plate above the groove, and the upper face of said outwardly projecting portion being concavely curved in continuation of said groove.
EDWARD J. HORGAN.
REFERENCES CITED The following references are of record in the ille of this patent:
UNITED STATES PATENTS Number Name Date 101,931 Simonds Apr. 12, 1870 145,647 Hall Dec. 16, 1873 312,643 Knox Feb. 24, 1885 1,136,891 Candee Apr. 20, 1915
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US69538A US2600165A (en) | 1949-01-06 | 1949-01-06 | Platen for use with perforating and cutting machines |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US69538A US2600165A (en) | 1949-01-06 | 1949-01-06 | Platen for use with perforating and cutting machines |
Publications (1)
Publication Number | Publication Date |
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US2600165A true US2600165A (en) | 1952-06-10 |
Family
ID=22089660
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US69538A Expired - Lifetime US2600165A (en) | 1949-01-06 | 1949-01-06 | Platen for use with perforating and cutting machines |
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Country | Link |
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US (1) | US2600165A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2689609A (en) * | 1951-05-14 | 1954-09-21 | James A Butler | Striker plate for perforators |
US3021886A (en) * | 1960-03-16 | 1962-02-20 | Arvin Ind Inc | Turret punch for pipe bending machine |
US3178976A (en) * | 1962-06-21 | 1965-04-20 | Stanley Works | Clicker die press and die therefor |
US3181408A (en) * | 1960-12-21 | 1965-05-04 | J A Richards Co | Reciprocating tool actuated by toggle joint means |
US3241412A (en) * | 1962-06-21 | 1966-03-22 | Stanley Works | Method for cutting sheet materials |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US101931A (en) * | 1870-04-12 | Improved leather-cutting press | ||
US145647A (en) * | 1873-12-16 | Improvement in machines for cutting leather for boot and shoe heels | ||
US312643A (en) * | 1885-02-24 | Leather-cutting machine | ||
US1136891A (en) * | 1914-06-01 | 1915-04-20 | Waterbury Farrel Foundry Co | Dial mechanism. |
-
1949
- 1949-01-06 US US69538A patent/US2600165A/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US101931A (en) * | 1870-04-12 | Improved leather-cutting press | ||
US145647A (en) * | 1873-12-16 | Improvement in machines for cutting leather for boot and shoe heels | ||
US312643A (en) * | 1885-02-24 | Leather-cutting machine | ||
US1136891A (en) * | 1914-06-01 | 1915-04-20 | Waterbury Farrel Foundry Co | Dial mechanism. |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2689609A (en) * | 1951-05-14 | 1954-09-21 | James A Butler | Striker plate for perforators |
US3021886A (en) * | 1960-03-16 | 1962-02-20 | Arvin Ind Inc | Turret punch for pipe bending machine |
US3181408A (en) * | 1960-12-21 | 1965-05-04 | J A Richards Co | Reciprocating tool actuated by toggle joint means |
US3178976A (en) * | 1962-06-21 | 1965-04-20 | Stanley Works | Clicker die press and die therefor |
US3241412A (en) * | 1962-06-21 | 1966-03-22 | Stanley Works | Method for cutting sheet materials |
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