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US5070593A Expired / Lapsed US ⏱️ 0.0 years remaining

Punch press

Assignee: Murata Machinery Ltd
•
Filing: 1989-03-08
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Granted: 1991-12-10
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Expires: 2009-03-08
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Abstract

Abstract In the punch press of the present invention, a head portion to which are loaded punch and die (tools), a tool receiving portion for receiving a plurality of tools therein, and a tool changer disposed therebetween to effect the delivery of tools, are provided integrally, and the tool receiving portion is formed around a throat so as to be rotatable in a direction in which it intersects the axis of the throat, the throat functioning to support upper and lower frames.

Inventors

  • 👤 Nobuo Sahashi
  • 👤 Hiroichi Sakamoto

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 16:26
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/155; B23Q3/1556; B21; B21D; B21D37/00; B21D37/14; B21D37/145; Y; Y10; Y10T; Y10T483/00; Y10T483/17; Y10T483/1729; Y10T483/1731

Claims Analysis

Total Claims: 16
Claim 1
Independent Claim 169 words
A punch press comprising: an upper frame, a lower frame, a member disposed between and interconnected to the upper frame and the lower frame, a head portion configured to receive a punch and a die, a tool magazine configured too receive a plurality of punches and dies in a substantially horizontal plane, the punches and dies received in the tool magazine each having an axis arranged in a substantially vertical direction, the tool magazine being rotatably disposed around the member, and a tool changer configured too receive a plurality of punches and dies in a substantially horizontal plane, the punches and dies received in the tool changer each having ann axis arranged in a substantially vertical direction, the tool changer being disposed between the head portion and the tool magazine for transferring punches and dies between the head portion and the tool magazine, whereby a punch and die are transferred to the head portion with the axes of the punch and the die aligned in a substantially vertical direction.
Claim 2
Dependent Claim 169 words
A punch press comprising: an upper frame, a lower frame, a member disposed between and interconnected to the upper frame and the lower frame, a head portion configured to receive a punch and a die, a tool magazine configured too receive a plurality of punches and dies in a substantially horizontal plane, the punches and dies received in the tool magazine each having an axis arranged in a substantially vertical direction, the tool magazine being rotatably disposed around the member, and a tool changer configured too receive a plurality of punches and dies in a substantially horizontal plane, the punches and dies received in the tool changer each having ann axis arranged in a substantially vertical direction, the tool changer being disposed between the head portion and the tool magazine for transferring punches and dies between the head portion and the tool magazine, whereby a punch and die are transferred to the head portion with the axes of the punch and the die aligned in a substantially vertical direction.
Claim 3
Dependent Claim 45 words
The punch press according to claim 1, wherein the tool changer comprises: a punch changing portion associated with the upper frame, a die changing portion associated with the lower frame, and a drive mechanism for driving the punch changing portion and the die changing portion.
Claim 4
Dependent Claim 244 words
A punch press comprising: an upper frame, a lower frame, a member disposed between and interconnected to the upper frame and the lower frame, a head portion configured to receive a punch and a die, a tool magazine configured to receive a plurality of punches and dies in a substantially horizontal plane, the punches and dies received inn the tool magazine each having an axis arranged in a substantially vertical direction, the tool magazine being rotatably disposed around the member, and a tool changer configured to receive a plurality of punches and dies in a substantially horizontal plane, the punches and dies received in the tool changer each having an axis arranged in a substantially vertical direction, the tool changer being disposed between the head portion and the tool magazine for transferring punches and dies between the head portion and the tool magazine, whereby a punch and a die are transferred to the head portion with the axes of the punch and the die aligned in a substantially vertical direction wherein the tool changer comprises: a punch changing portion associated with the upper frame, a die changing portion associated with the lower frame, and a drive mechanism for driving the punch changing portion and the die changing portion, and wherein the punch changing portion comprises: a rotatable pulley adapted to be rotated by the drive mechanism, a disk fixed to the pulley, and a holding mechanism attached to the disk for holding a punch.
Claim 5
Dependent Claim 244 words
A punch press comprising: an upper frame, a lower frame, a member disposed between and interconnected to the upper frame and the lower frame, a head portion configured to receive a punch and a die, a tool magazine configured to receive a plurality of punches and dies in a substantially horizontal plane, the punches and dies received inn the tool magazine each having an axis arranged in a substantially vertical direction, the tool magazine being rotatably disposed around the member, and a tool changer configured to receive a plurality of punches and dies in a substantially horizontal plane, the punches and dies received in the tool changer each having an axis arranged in a substantially vertical direction, the tool changer being disposed between the head portion and the tool magazine for transferring punches and dies between the head portion and the tool magazine, whereby a punch and a die are transferred to the head portion with the axes of the punch and the die aligned in a substantially vertical direction wherein the tool changer comprises: a punch changing portion associated with the upper frame, a die changing portion associated with the lower frame, and a drive mechanism for driving the punch changing portion and the die changing portion, and wherein the punch changing portion comprises: a rotatable pulley adapted to be rotated by the drive mechanism, a disk fixed to the pulley, and a holding mechanism attached to the disk for holding a punch.
Claim 6
Dependent Claim 55 words
The punch press according to claim 1, wherein the tool magazine comprises: a punch receiving portion associated with the lower frame, a die receiving portion associated with the upper frame, and transmission means for rotating the punch receiving portion and the die receiving portion in a substantially horizontal direction with respect to the head portion.
Claim 7
Dependent Claim 316 words
A punch press comprising: an upper frame, a lower frame, a member disposed between the upper frame and interconnected to and the lower frame, a head portion configured too receive a punch and a die, a tool magazine configured to receive a plurality of punches and dies in a substantially horizontal plane, the puches and dies received in the tool magazine each having an axis arranged in a substantially vertical direction, the tool magazine being rotatably disposed around the member, and a tool changer configured to receive a plurality of punches and dies in a substantially horizontal plane, the punches and dies received in the tool changer each having an axes arranged in a substantially vertical direction, the tool changer being rotatably disposed around the member, and a tool changer configured to receive a plurality of punches and dies in a substantially horizontal plane, the punches and dies received in the tool changer each having an axis arranged in a substantially vertical direction, the tool changer being disposed between the head portion and the tool magazine for transferring punches and dies between the head portion and the tool magazine, whereby a punch and a die are transferred to the head portion with the axes of the punch and the die aligned in a substantially vertical direction. wherein the tool magazine comprises: a punch receiving portion associated with the lower frame, a die receiving portion associated with the upper frame, and transmission means for rotating the punch receiving portion and the die receiving portion in a substantially horizontal direction with respect to the head portion, and wherein the punch receiving portion comprises: a plurality of punch holders arranged around the member, at least one of the plurality of punch holders having a holding slot configured to receive a punch and a pawl rotatably connected to the punch holder for gripping a punch received in the holding slot.
Claim 8
Dependent Claim 316 words
A punch press comprising: an upper frame, a lower frame, a member disposed between the upper frame and interconnected to and the lower frame, a head portion configured too receive a punch and a die, a tool magazine configured to receive a plurality of punches and dies in a substantially horizontal plane, the puches and dies received in the tool magazine each having an axis arranged in a substantially vertical direction, the tool magazine being rotatably disposed around the member, and a tool changer configured to receive a plurality of punches and dies in a substantially horizontal plane, the punches and dies received in the tool changer each having an axes arranged in a substantially vertical direction, the tool changer being rotatably disposed around the member, and a tool changer configured to receive a plurality of punches and dies in a substantially horizontal plane, the punches and dies received in the tool changer each having an axis arranged in a substantially vertical direction, the tool changer being disposed between the head portion and the tool magazine for transferring punches and dies between the head portion and the tool magazine, whereby a punch and a die are transferred to the head portion with the axes of the punch and the die aligned in a substantially vertical direction. wherein the tool magazine comprises: a punch receiving portion associated with the lower frame, a die receiving portion associated with the upper frame, and transmission means for rotating the punch receiving portion and the die receiving portion in a substantially horizontal direction with respect to the head portion, and wherein the punch receiving portion comprises: a plurality of punch holders arranged around the member, at least one of the plurality of punch holders having a holding slot configured to receive a punch and a pawl rotatably connected to the punch holder for gripping a punch received in the holding slot.
Claim 9
Dependent Claim 26 words
The punch press according to claim 5, wherein the punch receiving portion comprises: a grip releaser for releasing the punch from the grip of the pawl.
Claim 10
Dependent Claim 34 words
The punch press according to claim 6, further comprising: means for establishing a connection between the punch holder and the transmission means, whereby the punch holder is rotated and moved by the transmission means.
Claim 11
Dependent Claim 255 words
A punch press comprising: an upper frame, a lower frame, a member disposed between and interconnected to the upper frame and the lower frame, a head portion configured to receive a punch and a die, a tool magazine configured to receive a plurality of punches and dies in a substantially horizontal plane, the punches and dies received in the tool magazine each having an axis arranged in a substantially vertical direction, the tool magazine being rotatably disposed around the member, and a tool changer configured to receive a plurality of punches and dies in a substantially horizontal plane, the punches and dies received in the tool changer each having an axis arranged in a substantially vertical direction, the tool changer being disposed between the head portion and the tool magazine for transferring punches and dies between the head portion and the tool magazine, whereby a punch and a die are transferred to the head portion with the axes of the punch and the die aligned in a substantially vertical direction. wherein the tool magazine comprises: a punch receiving portion associated with the lower frame, a die receiving portion associated with the upper frame, and transmission means for rotating the punch receiving portion and the die receiving portion in a substantially horizontal direction with respect to the head portion, and wherein the die receiving portion comprises: a plurality of die holders arranged around the member, at least one of the die holders having a die table and a pawl rotatably attached to the die holder for
Claim 12
Dependent Claim 255 words
A punch press comprising: an upper frame, a lower frame, a member disposed between and interconnected to the upper frame and the lower frame, a head portion configured to receive a punch and a die, a tool magazine configured to receive a plurality of punches and dies in a substantially horizontal plane, the punches and dies received in the tool magazine each having an axis arranged in a substantially vertical direction, the tool magazine being rotatably disposed around the member, and a tool changer configured to receive a plurality of punches and dies in a substantially horizontal plane, the punches and dies received in the tool changer each having an axis arranged in a substantially vertical direction, the tool changer being disposed between the head portion and the tool magazine for transferring punches and dies between the head portion and the tool magazine, whereby a punch and a die are transferred to the head portion with the axes of the punch and the die aligned in a substantially vertical direction. wherein the tool magazine comprises: a punch receiving portion associated with the lower frame, a die receiving portion associated with the upper frame, and transmission means for rotating the punch receiving portion and the die receiving portion in a substantially horizontal direction with respect to the head portion, and wherein the die receiving portion comprises: a plurality of die holders arranged around the member, at least one of the die holders having a die table and a pawl rotatably attached to the die holder for
Claim 13
Dependent Claim 26 words
The punch press according to claim 8, wherein the die receiving portion comprises: a grip releaser for releasing the die from the grip of the pawl.
Claim 14
Dependent Claim 34 words
The punch press according to claim 9, further comprising: means for establishing a connection between the die holder and the transmission means, whereby the die holder is rotated and moved by the transmission means.
Claim 15
Dependent Claim 244 words
A punch press comprising: an upper frame, a lower frame, a member disposed between and interconnected to the upper frame and the lower frame, a head portion configured to receive a punch and a die, a tool magazine configured to receive a plurality of punches and dies in a substantially horizontal plane, the punches and dies received in the tool magazine each having an axis arranged in a substantially vertical direction, the tool magazine being rotatably disposed around the member, and a tool changer configured to receive a plurality of punches and dies in a substantially horizontal plane, the punches and dies received in the tool changer each having an axis arranged in a substantially vertical direction, the tool changer being disposed between the head portion and the tool magazine for transferring punches and dies between the head portion and the tool magazine, whereby a punch and a die are transferred to the head portion with the axes of the punch and the die aligned in a substantially vertical direction wherein the tool changer comprises: a punch changing portion associated with the upper frame, a die changing portion associated with the lower frame, and a drive mechanism for driving the punch changing portion and the die changing portion, and wherein the die changing portion comprises: a rotatable pulley adapted to be rotated by the drive mechanism, a disk fixed to the pulley, and a holding mechanism attached to the disk for holding a die.
Claim 16
Dependent Claim 244 words
A punch press comprising: an upper frame, a lower frame, a member disposed between and interconnected to the upper frame and the lower frame, a head portion configured to receive a punch and a die, a tool magazine configured to receive a plurality of punches and dies in a substantially horizontal plane, the punches and dies received in the tool magazine each having an axis arranged in a substantially vertical direction, the tool magazine being rotatably disposed around the member, and a tool changer configured to receive a plurality of punches and dies in a substantially horizontal plane, the punches and dies received in the tool changer each having an axis arranged in a substantially vertical direction, the tool changer being disposed between the head portion and the tool magazine for transferring punches and dies between the head portion and the tool magazine, whereby a punch and a die are transferred to the head portion with the axes of the punch and the die aligned in a substantially vertical direction wherein the tool changer comprises: a punch changing portion associated with the upper frame, a die changing portion associated with the lower frame, and a drive mechanism for driving the punch changing portion and the die changing portion, and wherein the die changing portion comprises: a rotatable pulley adapted to be rotated by the drive mechanism, a disk fixed to the pulley, and a holding mechanism attached to the disk for holding a die.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1994-12-09 1995-06-10 1995-12-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1998-12-09 1999-06-10 1999-12-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2002-12-09 2003-06-10 2003-12-10 $7700.00 Window Closed / Lapsed

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