US3907190A - Stapler with a punch mechanism - Google Patents

Stapler with a punch mechanism Download PDF

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Publication number
US3907190A
US3907190A US444986A US44498674A US3907190A US 3907190 A US3907190 A US 3907190A US 444986 A US444986 A US 444986A US 44498674 A US44498674 A US 44498674A US 3907190 A US3907190 A US 3907190A
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US
United States
Prior art keywords
feed element
staple
base
magazine
staple magazine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US444986A
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English (en)
Inventor
Yoshio Mitsuhashi
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to US05/570,795 priority Critical patent/US3951325A/en
Application granted granted Critical
Publication of US3907190A publication Critical patent/US3907190A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C5/00—Manually operated portable stapling tools; Hand-held power-operated stapling tools; Staple feeding devices therefor
    • B25C5/02—Manually operated portable stapling tools; Hand-held power-operated stapling tools; Staple feeding devices therefor with provision for bending the ends of the staples on to the work
    • B25C5/0221—Stapling tools of the table model type, i.e. tools supported by a table or the work during operation
    • B25C5/0242—Stapling tools of the table model type, i.e. tools supported by a table or the work during operation having a pivoting upper leg and a leg provided with an anvil supported by the table or work
    • B25C5/025—Stapling tools of the table model type, i.e. tools supported by a table or the work during operation having a pivoting upper leg and a leg provided with an anvil supported by the table or work the plunger being manually operated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C5/00—Manually operated portable stapling tools; Hand-held power-operated stapling tools; Staple feeding devices therefor
    • B25C5/02—Manually operated portable stapling tools; Hand-held power-operated stapling tools; Staple feeding devices therefor with provision for bending the ends of the staples on to the work
    • B25C5/0214—Combined stapling and punching tools

Definitions

  • ABSTRACT A hand-operated stapler of the type comprising a base having an anvil die adjacent its front end, an open-top staple magazine pivotally coupled at its rear end to the base, and a lever also pivotally coupled to the base to depress the staple magazine onto the anvil die of the base whereby the foremost one of the staples within the magazine is dispensed therefrom to penetrate sheets of paper or the like and is further clinched by the anvil die to hold the sheets together.
  • the stapler characterized in that the staples within the staple magazine are urged forwardly by a feed element slidably mounted therein and a helical tension spring extending between the front end of the feed element and the front end of the lever, in such a manner that the spring is substantially folded over the rear end of the feed element.
  • FIG. 1 A first figure.
  • FIG. 1 A first figure.
  • This invention relates to improvements in a stapler of hand-operated class which is equipped with a punching mechanism to perform the dual function of stapling and punching.
  • the known dual-purpose devices capable of performing both stapling and punching functions also have a disadvantage in that the punching'mechanism incorporated in such devices is susceptible to malfunctions and is so complex in construction that the manufacturing costs of the overall machines are increased to an extent that can be considered unnecessary in view of the teachings of this invention.
  • Another object of the invention is to provide a stapler of the class described, which incorporates a punching mechanism such that holes can be punched cleanly through sheets of paper or like penetrable material by the simple depression of the staple housing.
  • the staples accommodated within the staple magazine are urged toward its front end by a feed element slidably mounted therein and a tension spring extendingv between the front end of the feed element and the front end of a lever pivotally coupled to a base in superposed relationship to the staple magazine.
  • the tension spring is thus substantially folded as it extends over the rear end of the feed element, so that the length of this feed element can be reduced to a minimum.
  • unused staples can be loaded into the staple magazine simply by turning the lever about 180 away from the staple magazine because, then, the feed element is pulled back to its retracted position by the tension spring.
  • the punching mechanism incorporated in the stapler according to the invention comprises a punching die formed on the base between the two ends thereof, and a perforating punch extending downwardly from the bottom of the staple magazine, to bereceived in a'bore formed through the punching dieSincethe staple magazine is pivotally coupled to the base by a pin which is located in a plane where the bottom surface of the staple magazine comes into contact with the surface of the punching die, the perforating punch travels substantially perpendicularly to the surface of the die as it enters the bore formed therethrough, so that paper or the like held over the die can be punched in a cleanly cut manner.
  • FIG. 1 is a side elevational view of a stapler constituting a preferred embodiment of the invention
  • FIG. 2 is a vertical sectional view of the stapler of FIG. 1;
  • FIG. 3 is a perspective view of a base of the stapler of FIG. 1;
  • FIG. 4 is a perspective view of a staple magazine of the stapler of FIG. 1;
  • FIG. 5 is a perspective view of a feed element in the stapler of FIG. 1;
  • FIG. 6 is a fragmentary, vertical sectional view showing the stapler of FIG. 1 with its lever in a fully open position;
  • FIG. 7 is a vertical sectional view for a description of the stapling operation performed by the stapler of FIG. 1, the staple housing being illustrated in side elevation for the sake of simplicity;
  • FIG. 8 is a view similar to FIG. 7 for a description of the punching operation performed by the stapler of FIG. 1.
  • the stapler illustrated therein by way of a preferred embodiment of this invention includes an elongated, substantially flat base 2 having an elevated anvil die 1 adjacent its distal or front end which is adapted to clinch each staple pierced through paper or the like.
  • a lever 6 having a staple ejector 5 extending downward from its distal or front end is turnably pivoted by a pin 7 on the base 2 at its proximal or rear end, and between the base 2 and the lever 6 an open-top staple magazine 4 having a feed element 3 slidably mounted therein is also pivoted on the base 2 by the pin 7 so as to be turnable up and down independently of the lever 6.
  • FIG. 3 best illustrates the detailed configuration of the base 2.
  • the base 2 has another elevated punching die 8 formed between the two ends thereof as a part of a punching mechanism according to the invention, and a bore 9 is formed substantially centrally through the die 8 to receive a perforating punch 17, therethrough during a punching operation.
  • a pair of upstanding side walls 10 are integrally formed with the base 2, and these side walls include forward extensions 11 defining slots 31 adapted to receive therein paper or the like to be perforated.
  • Aligned holes 12 formed through respective side walls 10 are adapted to receive the pin 7 which also extends through holes 13, of the staple magazine 4 and holes 14, of the lever 6.
  • the staple magazine 4 has the aforesaid perforating punch 17 extending downwardly from its bottom at a point between the two ends thereof.
  • a thumbpiece 18 extends forwardly from the front end of the staple magazine 4 for use in depressing the staple magazine and hence the perforating punch 17 down through the bore 9 of the die 8 for a punching operation
  • the staple magazine 4 may have the upper edges of the forward portions of its side walls bent toward each other as shown at 16 to prevent staples 15 accommodated therein from jumping out.
  • FIG. illustrates in detail the configuration of the feed element 3 slidably mounted in the staple magazine 4.
  • the front end of the feed element 3 is bent downwardly as indicated at 19 to make neat contact with the rearmost one of the staples within the staple magazine 4, as will be seen from FIG. 2.
  • a pair of lateral projections are formed at 23 to be slidably received in guide slots 24, as shown in FIG. 4, that are formed longitudinally through the side walls of the staple magazine 4, in such a manner that the feed element 3 is slidable back and forth within the staple magazine.
  • a hook 21 is formed at or adjacent the front end of the feed element 3 for engaging one end of a helical tension spring best illustrated in FIG. 2, and the rear end of the feed element 3 is shaped into a curved edge 22 over which the spring 20 is bent and substantially doubled, also as best seen is FIG. 2.
  • the lever 6 may be equipped with a staple remover edge 25 extending backwardly therefrom and with a thumbpiece on its front end.
  • the side walls of the lever 6 have inward projections 26 formed in a transversely aligned manner at a point between the two ends thereof for releasable engagement with lateral expansions 27 formed correspondingly on the side walls of the staple housing 4.
  • a hook 29 is is integrally formed at the front end of the leaf spring 28 to engage one end of the helical tension spring 20, the other end of which is engaged, as aforesaid, with the hook 21 of the feed element 3.
  • the spring 20 is thus substantially folded as it extends over the curved rear end 22 of the feed element 3, thereby urging the feed element forwardly or rightwardly as viewed in FIG. 2 to cause the same to feed the staples 15 toward the front end of the staple magazine 4.
  • the staple magazine 4, theilever 6 and the base 2 are normally maintained in the relative positions illustrated in FIGS. 1 and 2.
  • staples can be loaded into the staple magazine 4 through the open top thereof simply by first turning the lever 6 approximately 180 away from the staple magazine and the base 2 as illustrated in FIG. 6, because then the feed element 3 within the staple magazine is caused to retract to the rearmost position by the tension of the helical tension spring 20. As the lever 6 is succeedingly returned to the position shown in FIGS. 1 and 2, the stapler is ready for operation.
  • the releasable engagement of projections 26 with expansions 27 enables the tuming of the lever 6 to the position in FIG. 6 and the subsequent reengagement of lever 6 with the magazine 4.
  • the lever 6 is depressed in the usual manner onto the base 1 as illustrated in FIG. 7, with the result that the foremost one of the staples 15 within the staple magazine 4 is driven by the staple ejector 5 out of a dispensing aperture 4a formed through the bottom of the staple magazine at its front end.
  • the staple thus ejected from within the staple magazine 4 pierces the layers of paper or the like held between the base 2 and the staple magazine 4 and is clinched as it strikes against the depressions formed in the anvil die 1 in accordance with the prior art.
  • this lever and the staple magazine are caused to return automatically to their respective positions of FIGS. 1 and 2 by virtue of the force of the leaf spring 28.
  • FIG. 8 A mode of use of the punching mechanism incorporated in the stapler according to the invention is illustrated in FIG. 8. Paper or the like to be perforated is inserted into the slots 31 formed in the side walls 10 of the base 2, and in this case the staple magazine 4 is depressed onto the base 2 by application of downward force to the thumbpiece 18. The perforating punch 17 is thus driven through the paper or the like and is properly received in the bore 9 formed through the elevated punching die 8 of the base 2.
  • the perforating punch 17 is moved upwardly out of the bore 9 by the-force of the leaf spring 28 bearing on the upper edges of the side walls 10 of base 2 causing the magazine 4 to be carried by the lever 6 due to engagement of the projections 26 and the expansions 27, whereas the perforated paper or the like is left on the base 2 because it is retained in the slots 31 of the side walls 10.
  • the pin 7 pivotally interconnecting the base 2 and the staple magazine 4 has its axis located exactly in a plane where the top surface of the punching die 8 of the base and the bottom surface of the magazine contact each other.
  • the perforating punch 17 is caused to pass through the bore 9 substantially perpendicularly to the face of the punching die 8 when the staple magazine 4 is depressed onto the base 2 for punching operation or in other words when the punching cut is being effected, so that the paper or the like held on the punching die 8 can always be perforated in a cleanly cut man ner.
  • a stapler of the type including a base having an anvil die adjacent one end thereof, an open-top staple magazine having a staple dispensing aperture provided in a distal end of a bottom wall thereof, said magazine being pivoted at its proximal end to the other end of said base so as to be turnable up and down relative thereto, a lever having a staple ejector at its distal end and also pivotally connected at its proximal end to the other end of said base so as to be turnable up and down relative thereto, said lever being adapted to drive each foremost staple accommodated within said staple magazine out of said dispensing aperture by said staple ejector such that the dispensed staple is clinched by said anvil die to hold layers of penetrable material together, a feed element slidably mounted within said staple magazine and having a front end facing the staples accommodated therein, and spring means urging said feed element toward said dispensing aperture to feed the staples toward the dispensing aperture:
  • said spring means comprises a tension spring connected at one end thereof to said front end of said feed element and at the other end thereof to said distal end of the lever, said tension spring extending from said front end to the rear end of the feed element remote from said front end along the length of the feed element and being substantially folded over saidrear end to urge the feed element toward the dispensing said staple magazine.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
US444986A 1973-02-26 1974-02-22 Stapler with a punch mechanism Expired - Lifetime US3907190A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US05/570,795 US3951325A (en) 1973-02-26 1975-04-23 Stapler with a punch mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2295473A JPS533503B2 (US20090177143A1-20090709-C00008.png) 1973-02-26 1973-02-26

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US05/570,795 Division US3951325A (en) 1973-02-26 1975-04-23 Stapler with a punch mechanism

Publications (1)

Publication Number Publication Date
US3907190A true US3907190A (en) 1975-09-23

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ID=12096993

Family Applications (1)

Application Number Title Priority Date Filing Date
US444986A Expired - Lifetime US3907190A (en) 1973-02-26 1974-02-22 Stapler with a punch mechanism

Country Status (4)

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US (1) US3907190A (US20090177143A1-20090709-C00008.png)
JP (1) JPS533503B2 (US20090177143A1-20090709-C00008.png)
GB (2) GB1426036A (US20090177143A1-20090709-C00008.png)
HK (1) HK60579A (US20090177143A1-20090709-C00008.png)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4002281A (en) * 1975-12-04 1977-01-11 Eic International Corporation Multi-purpose stapler
FR2418703A1 (fr) * 1978-03-03 1979-09-28 Mitsuhashi Yoshio Poincon pour perforateurs manuels a papier ou matieres similaires
DE3226954A1 (de) * 1982-07-19 1984-01-19 Yoshio Yokohama Kanagawa Mitsuhashi Handgeraet zum heften und lochen
US6286745B1 (en) 1995-07-29 2001-09-11 C-Tech Ag Multipurpose hand-held implement of the pocket knife type
US6460433B1 (en) 1997-10-16 2002-10-08 C-Tech Ag Multipurpose hand device
US6493893B1 (en) 1997-01-28 2002-12-17 Ctech Ag Multi-purpose hand-held device
US6634267B1 (en) * 1997-10-08 2003-10-21 Hadewe B.V. Apparatus and method for removing fasteners from documents
US6779425B2 (en) 2000-11-27 2004-08-24 Ctech Ag Multipurpose handheld implement
US20040216240A1 (en) * 2001-12-11 2004-11-04 Kramer Jeffrey A. Stapler
US20050217032A1 (en) * 2002-03-06 2005-10-06 Beatrice Bruggisser Multi-purpose hand-held device
US20060144894A1 (en) * 2004-04-02 2006-07-06 Acco Brands, Inc. Stapler with improved base construction
US20060144895A1 (en) * 2004-04-02 2006-07-06 Acco Brands, Inc. Stapler with improved base and cover construction
US20070057011A1 (en) * 2005-06-17 2007-03-15 Acco Brands Usa Llc Stapler
US20070057012A1 (en) * 2005-06-17 2007-03-15 Acco Brands Usa Llc Stapler
US7395955B2 (en) 2006-01-06 2008-07-08 Staples The Office Superstore, Llc Stapler
US7540400B2 (en) 2006-01-06 2009-06-02 Staples The Office Superstore, Llc Stapler having a moveable strike plate with lockout mechanism
US20100108738A1 (en) * 2008-11-04 2010-05-06 Staples The Office Superstore, Llc Parallel motion stapler
US10632604B2 (en) * 2018-01-31 2020-04-28 Black & Decker Inc. Magazine with lockback pusher for use with stapling device

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2180486B (en) * 1985-09-19 1989-01-11 Oprex Group Holdings Plc Improvements in or relating to a stapling device
GB2186227B (en) * 1985-12-21 1989-10-25 Helix Ltd Stapler
JPS6327277U (US20090177143A1-20090709-C00008.png) * 1986-07-30 1988-02-23
TWI787013B (zh) * 2021-12-24 2022-12-11 何正義 免開啟外殼即可方便補充釘書針的釘書機

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1840586A (en) * 1930-06-28 1932-01-12 Hotchkiss Co E H Piercing and stapling machine
US2073819A (en) * 1935-03-02 1937-03-16 Vogel Max Stapling machine
US2251915A (en) * 1938-04-26 1941-08-12 Speed Products Company Stapling pliers
US3144653A (en) * 1962-09-19 1964-08-18 Swingline Inc Stapling machine
US3680759A (en) * 1969-06-10 1972-08-01 Stefan Eugene Tyszkiewicz Staplers

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1840586A (en) * 1930-06-28 1932-01-12 Hotchkiss Co E H Piercing and stapling machine
US2073819A (en) * 1935-03-02 1937-03-16 Vogel Max Stapling machine
US2251915A (en) * 1938-04-26 1941-08-12 Speed Products Company Stapling pliers
US3144653A (en) * 1962-09-19 1964-08-18 Swingline Inc Stapling machine
US3680759A (en) * 1969-06-10 1972-08-01 Stefan Eugene Tyszkiewicz Staplers

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4002281A (en) * 1975-12-04 1977-01-11 Eic International Corporation Multi-purpose stapler
FR2418703A1 (fr) * 1978-03-03 1979-09-28 Mitsuhashi Yoshio Poincon pour perforateurs manuels a papier ou matieres similaires
US4240572A (en) * 1978-03-03 1980-12-23 Yoshio Mitsuhashi Combined punching and stapling device
DE3226954A1 (de) * 1982-07-19 1984-01-19 Yoshio Yokohama Kanagawa Mitsuhashi Handgeraet zum heften und lochen
US6874189B2 (en) 1995-07-29 2005-04-05 Ctech Ag Multipurpose hand-held implement of the pocket-knife type
US6286745B1 (en) 1995-07-29 2001-09-11 C-Tech Ag Multipurpose hand-held implement of the pocket knife type
US6941604B2 (en) 1995-07-29 2005-09-13 Ctech Ag Multipurpose hand-held implement of the pocket-knife type
US20040034937A1 (en) * 1995-07-29 2004-02-26 Peter Ackeret Multipurpose hand-held implement of the pocket-knife type
US6493893B1 (en) 1997-01-28 2002-12-17 Ctech Ag Multi-purpose hand-held device
US6708360B2 (en) 1997-01-28 2004-03-23 Ctech Ag Multipurpose hand-held implement
US6634267B1 (en) * 1997-10-08 2003-10-21 Hadewe B.V. Apparatus and method for removing fasteners from documents
US6460433B1 (en) 1997-10-16 2002-10-08 C-Tech Ag Multipurpose hand device
US20050022635A1 (en) * 1998-10-16 2005-02-03 Peter Ackeret Multipurpose handheld implement
US6948409B2 (en) 1998-10-16 2005-09-27 Ctech Ag Multipurpose handheld implement
US6779425B2 (en) 2000-11-27 2004-08-24 Ctech Ag Multipurpose handheld implement
US20040216240A1 (en) * 2001-12-11 2004-11-04 Kramer Jeffrey A. Stapler
US20050217032A1 (en) * 2002-03-06 2005-10-06 Beatrice Bruggisser Multi-purpose hand-held device
US7549561B2 (en) 2004-04-02 2009-06-23 Acco Brands Usa Llc Stapler with improved base construction
US20060144894A1 (en) * 2004-04-02 2006-07-06 Acco Brands, Inc. Stapler with improved base construction
US20060144895A1 (en) * 2004-04-02 2006-07-06 Acco Brands, Inc. Stapler with improved base and cover construction
US20070057011A1 (en) * 2005-06-17 2007-03-15 Acco Brands Usa Llc Stapler
US20090120993A1 (en) * 2005-06-17 2009-05-14 Acco Brands Usa Llc Stapler
US20070057012A1 (en) * 2005-06-17 2007-03-15 Acco Brands Usa Llc Stapler
US7681771B2 (en) * 2005-06-17 2010-03-23 Acco Brands Usa Llc Stapler
CN101337479B (zh) * 2005-06-17 2010-09-01 阿科布兰兹美国有限责任公司 订书机
US7395955B2 (en) 2006-01-06 2008-07-08 Staples The Office Superstore, Llc Stapler
US7540400B2 (en) 2006-01-06 2009-06-02 Staples The Office Superstore, Llc Stapler having a moveable strike plate with lockout mechanism
US20100108738A1 (en) * 2008-11-04 2010-05-06 Staples The Office Superstore, Llc Parallel motion stapler
US8172119B2 (en) 2008-11-04 2012-05-08 Staples The Office Superstore, Llc Parallel motion stapler
US10632604B2 (en) * 2018-01-31 2020-04-28 Black & Decker Inc. Magazine with lockback pusher for use with stapling device

Also Published As

Publication number Publication date
DE2409051A1 (de) 1974-09-05
HK60579A (en) 1979-09-07
GB1426037A (en) 1976-02-25
DE2409051B2 (de) 1975-09-11
GB1426036A (en) 1976-02-25
JPS504671A (US20090177143A1-20090709-C00008.png) 1975-01-18
JPS533503B2 (US20090177143A1-20090709-C00008.png) 1978-02-07

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