US2627657A - Fabric cutter guard - Google Patents

Fabric cutter guard Download PDF

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Publication number
US2627657A
US2627657A US243777A US24377751A US2627657A US 2627657 A US2627657 A US 2627657A US 243777 A US243777 A US 243777A US 24377751 A US24377751 A US 24377751A US 2627657 A US2627657 A US 2627657A
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United States
Prior art keywords
cutter
guard
shoe
disc
upright
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Expired - Lifetime
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US243777A
Inventor
Fred L Etchen
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LA Young Spring and Wire Corp
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LA Young Spring and Wire Corp
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Publication date
Application filed by LA Young Spring and Wire Corp filed Critical LA Young Spring and Wire Corp
Priority to US243777A priority Critical patent/US2627657A/en
Application granted granted Critical
Publication of US2627657A publication Critical patent/US2627657A/en
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Expired - Lifetime legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P1/00—Safety devices independent of the control and operation of any machine
    • F16P1/02—Fixed screens or hoods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/22—Safety devices specially adapted for cutting machines
    • 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
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/3806—Cutting-out; Stamping-out wherein relative movements of tool head and work during cutting have a component tangential to the work surface
    • B26F1/3813—Cutting-out; Stamping-out wherein relative movements of tool head and work during cutting have a component tangential to the work surface wherein the tool head is moved in a plane parallel to the work in a coordinate system fixed with respect to the work
    • B26F1/3826—Cutting-out; Stamping-out wherein relative movements of tool head and work during cutting have a component tangential to the work surface wherein the tool head is moved in a plane parallel to the work in a coordinate system fixed with respect to the work using a rotary circular cutting member

Definitions

  • This invention relates to improvements in fabric cutter guards.
  • the main objects of this invention are:
  • Fig. l is a perspective view of a cutter embodying my invention.
  • Fig. 2 is a plan View of the guard removed from the cutter, the supporting post being shown in sections.
  • Fig. 3 is a fragmentary front elevational view showing the relation of the guard to the motor housing on which it is rrounted.
  • Fig. 4. is an enlarged fragmentary view partially in section showing structural details of the guard.
  • the embodiment of my invention illustrated comprises a shoe I adapted to be translated over the work, rollers 2 being conventionally illustrated.
  • the shoe is provided with a slot 3 through which the cutter disc d projects.
  • the upright 5 is of forwardly facing U or channel section and is fixedly secured to the shoe and provided with a rearwardly projecting handle 6 by which the cutter is manipulated.
  • the motor is designated generally by the numeral 1 and is carried by the upright, details of the mounting not being illustrated or the driving connection with the cutter disc.
  • the embodiment of the cutter guard of my invention illustrated comprises a bottom guard plate 8 which is slotted at 8
  • the guard plate projects a substantial distance at the front of the cutter disc.
  • Side guard plates 9 are disposed upon and secured to the bottom guard plate 8 as by means of the screws Ill inserted from the under side of the bottom guard plate.
  • the side guard plates are spaced inwardly from the side edges of the bottom guard plate.
  • These sideguard plates overlap portions of the upright 5 and project forwardly beyond the cutter disc.
  • a post I I is secured to the bottom guard plate as by the screw I2 to project upwardly in a rearwardly inclined relation to the bottom guard plate and between the front edges of the side guard plates. This post is in alignment with the cutter disc and constitutes a front guard element therefor.
  • This guard is mounted for vertical and tilting adjustment by means of brackets I3and I4 which have opposed recesses I5 and I6, respectively;to receive the downward extension H on the motor housing.
  • the brackets I3 and I4 are secured to the under side of the housing by screws I 8 received in the holes I9 (see Figs. 2 and 3).
  • the brackets I3 and I4 have depending arms 20 provided with longitudinal slots 2
  • a further support is provided in the adjustable bracket 23 secured to the housing to project forwardly therefrom, the bracket including a tiltingly adjustable member 24 having a slot 25 therein receiving the screw 26 by means of which the post is clamped to the bracket. This permits vertical and tilting adjustment of the guard relative to the cutter disc.
  • the guard plates 8 and 9 are formed of transparent material such, for example, as the material commercially known as plexiglas so they do not obstruct vision of the shoe. or the cutter disc or of the work which commonly has a pattern outlined or superimposed thereon or is provided with some other means indicating the cutting lines. Usually severallayers of fabric to be out are disposed in superimposed relation.
  • the adjustability of the guard permits adaptation to difierent cutters or to meet the particular requirements of the user.
  • the cutter disc iseffectively guarded but at the same time the View is not obstructed. If desired, the forwardly projecting end of the guard base plate 8 may be grasped to assist in guiding the cutter and at the same time the cutter disc is effectively guarded.
  • a cutter guard comprising a bottom guard plate slotted to receive said cutter disc and upright and projecting forwardly beyond the cutter disc, laterally spaced side guard plates disposed on opposite sides of the cutter with their bottom edges secured to thebottom guard plate and with their front edges projecting forwardly beyond the cutter disc, brackets carried by said upright and having vertically slotted arms disposed on the outer sides of said side guard plates, screws engaging said slots for adjustably supporting said side guard plates, a post on said bottom guard plate disposed at the front of said cutter disc and between said side guard plates, a slotted bracket mounted on said motor housingv to project forwardly therefrom, and a screw engaging said slot for adiustably securing said post to said bracket, said guard mounting permitting vertical and tilting adjustment of the guard relative to the cutter disc, said bottom and
  • a motor including a housing supported by said shoe and a disc"- cutter having driving connection with said motor and disposed at the front of said upright with its rear edge guarded thereby, of a cutter guard comprising a bottom guard plate slot-ted to receive said cutter disc and upright and projecting forwardly beyond the cutter disc, laterally spaced side guard plates disposed on opposite sides of the cutter with their bottom edges secured to the bottom guard plate and with their front edges projecting forwardly beyond the cutter disc, brackets supported by said upright and havingv vertically slotted arms disposed on the outer sides of said side guard lates, screws engaging said slots for adjustably supporting said side guard plates, said guard mounting permitting vertical and tilting adjustment of the guard relative to the cutter disc, said bottom and side guard plates being of transparent material permitting vision of the cutter disc and the shoe and facilitating the manipulation of the cutter upon the work.
  • a motor including a housing, carried by said upright and a disc cutter having driving connection with said motor and disposed at the front of. said upright with its rear edge guarded thereby, of a cutter guard comprising a bottom guard plate slotted to receive said cutter disc and upright and projecting forwardly beyond the cutter disc, and laterally spaced side guard plates disposed on opposite sides of the cutter with their bottom edges upon and secured to the bottom guard plate and with their rear edges overlapping the said upright and. their front edges projecting forwardly beyond the cutter, said motor housing having guard supporting brackets thereon, said bottom and side guard plates being of transparent material permittingv vision of the cutter disc and the shoe and facilitating the manipulation of they cutter uponthe work.
  • a fabric cutter including a. shoe, an upright on said shoe, a motor including a housing supported by said shoe and a disc cutter having driving connection with said motor and disposed at the front of said upright with its rear edge guarded thereby, of a cutter guard supported by said upright and comprising a bottom guard plate slotted to receive said outter disc and upright and projecting forwardly beyond the cutter disc, and laterally spaced side guard plates disposed on opposite sides of the cutter with their bottom edges secured to the bottom guard plate and with their front edges projecting forwardly beyond the cutter, said bottom and side guard plates being of transparent material permitting vision of the cutter disc and the shoe and facilitating the manipulation of the cutter upon the work.
  • a cutter guard supported by the shoe comprising a bottom plate slotted to receive the cutter disc, and side: plates disposed, on opposite sides of the disc, said guard being mounted. for vertical and tilting adjustment relative to the cutter disc, said bottom and side guard plates being of transparent material permitting the Work and the relation. of the cutter thereto to be viewed through the guard.
  • a fabric cutter including a shoe, a rotatably mounted cutter disk and a driving motor therefor supported by the shoe, of a cutter guard supported by the shoe comprising a bottom plate slotted to receive the cutter disc, and side plates disposed on opposite sides of the disc, said bottom and side guard plates being of transparent material permitting the work and the relation of the cutter thereto to be viewed through the guard.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • General Engineering & Computer Science (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Description

Feb. 10, 1953 Tc 2,627,657
FABRIC CUTTER GUARD Filed Aug. 2'7, 1951 INVENTOR.
Patented Feb. 10, 1953 UNITED STATES PATENT OFFICE FABRIC CUTTER GUARD Fred L. Etchen, Detroit, Mich., assignor to L. A. Young Spring & Wire Corporation, Detroit, Mich., a corporation of Michigan Application August 27, 1951, Serial No. 243,777
6 Claims.
This invention relates to improvements in fabric cutter guards.
The main objects of this invention are:
First, to provide guards for fabric cutters of the type which are translated over the work on which the pattern has been marked or outlined or superimposed.
Second, to provide a fabric cutter of this type with an effective guard which permits vision of the cutter and the work as the cutter is translated over the work.
Third, to provide a fabric cutter in which the guard may be adjusted to and from the shoe and also tiltingly adjusted.
Objects relating to details and economies of the invention will appear from the description to follow. The invention is pointed out in the claims.
A preferred embodiment of the invention is illustrated in the accompanying drawings, in
which: 7
Fig. l is a perspective view of a cutter embodying my invention.
Fig. 2 is a plan View of the guard removed from the cutter, the supporting post being shown in sections.
Fig. 3 is a fragmentary front elevational view showing the relation of the guard to the motor housing on which it is rrounted.
Fig. 4. is an enlarged fragmentary view partially in section showing structural details of the guard.
The embodiment of my invention illustrated comprises a shoe I adapted to be translated over the work, rollers 2 being conventionally illustrated. The shoe is provided with a slot 3 through which the cutter disc d projects. The upright 5 is of forwardly facing U or channel section and is fixedly secured to the shoe and provided with a rearwardly projecting handle 6 by which the cutter is manipulated. The motor is designated generally by the numeral 1 and is carried by the upright, details of the mounting not being illustrated or the driving connection with the cutter disc. These parts are conventional and form no part of my invention except in combination with other parts.
The embodiment of the cutter guard of my invention illustrated comprises a bottom guard plate 8 which is slotted at 8| to embrace or receive the cutter disc l and the upright 5. The guard plate projects a substantial distance at the front of the cutter disc. Side guard plates 9 are disposed upon and secured to the bottom guard plate 8 as by means of the screws Ill inserted from the under side of the bottom guard plate. The side guard plates are spaced inwardly from the side edges of the bottom guard plate. These sideguard plates overlap portions of the upright 5 and project forwardly beyond the cutter disc. A post I I is secured to the bottom guard plate as by the screw I2 to project upwardly in a rearwardly inclined relation to the bottom guard plate and between the front edges of the side guard plates. This post is in alignment with the cutter disc and constitutes a front guard element therefor.
This guard is mounted for vertical and tilting adjustment by means of brackets I3and I4 which have opposed recesses I5 and I6, respectively;to receive the downward extension H on the motor housing. The brackets I3 and I4 are secured to the under side of the housing by screws I 8 received in the holes I9 (see Figs. 2 and 3). The brackets I3 and I4 have depending arms 20 provided with longitudinal slots 2| receiving the screws 22 engaging the side plates of the guard. A further support is provided in the adjustable bracket 23 secured to the housing to project forwardly therefrom, the bracket including a tiltingly adjustable member 24 having a slot 25 therein receiving the screw 26 by means of which the post is clamped to the bracket. This permits vertical and tilting adjustment of the guard relative to the cutter disc.
The guard plates 8 and 9 are formed of transparent material such, for example, as the material commercially known as plexiglas so they do not obstruct vision of the shoe. or the cutter disc or of the work which commonly has a pattern outlined or superimposed thereon or is provided with some other means indicating the cutting lines. Usually severallayers of fabric to be out are disposed in superimposed relation. The adjustability of the guard permits adaptation to difierent cutters or to meet the particular requirements of the user. The cutter disc iseffectively guarded but at the same time the View is not obstructed. If desired, the forwardly projecting end of the guard base plate 8 may be grasped to assist in guiding the cutter and at the same time the cutter disc is effectively guarded.
I have illustrated and described my invention in a highly practical embodiment thereof. I have not attempted to illustrate or describe other embodiments or adaptations to particular cutters as it is believed that this disclosure will enable those skilled in the art to embody or adapt my invention as may be desired.
Having thus described my invention, what I claim as new and desire to secure by Letters Patent is:
1. In combination with a fabric cutter including a shoe, an upright on said shoe, a motor including a housing carried by said shoe and a disc cutter having driving connection with said motor and disposed at the front of said upright with its rear edge guarded thereby, of a cutter guard comprising a bottom guard plate slotted to receive said cutter disc and upright and projecting forwardly beyond the cutter disc, laterally spaced side guard plates disposed on opposite sides of the cutter with their bottom edges secured to thebottom guard plate and with their front edges projecting forwardly beyond the cutter disc, brackets carried by said upright and having vertically slotted arms disposed on the outer sides of said side guard plates, screws engaging said slots for adjustably supporting said side guard plates, a post on said bottom guard plate disposed at the front of said cutter disc and between said side guard plates, a slotted bracket mounted on said motor housingv to project forwardly therefrom, and a screw engaging said slot for adiustably securing said post to said bracket, said guard mounting permitting vertical and tilting adjustment of the guard relative to the cutter disc, said bottom and side guard plates being of transparent material permitting vision of the cutter disc and the shoe and facilitating the manipulation of the cutter upon the work.
2. In combination with a fabric cutter including'a shoe, an upright on said shoe, a motor including a housing supported by said shoe and a disc"- cutter having driving connection with said motor and disposed at the front of said upright with its rear edge guarded thereby, of a cutter guard comprising a bottom guard plate slot-ted to receive said cutter disc and upright and projecting forwardly beyond the cutter disc, laterally spaced side guard plates disposed on opposite sides of the cutter with their bottom edges secured to the bottom guard plate and with their front edges projecting forwardly beyond the cutter disc, brackets supported by said upright and havingv vertically slotted arms disposed on the outer sides of said side guard lates, screws engaging said slots for adjustably supporting said side guard plates, said guard mounting permitting vertical and tilting adjustment of the guard relative to the cutter disc, said bottom and side guard plates being of transparent material permitting vision of the cutter disc and the shoe and facilitating the manipulation of the cutter upon the work.
3. In combination with a fabric cutter including a shoe, an upright on said shoe of forwardly facing U section provided with a handle, a motor including a housing, carried by said upright and a disc cutter having driving connection with said motor and disposed at the front of. said upright with its rear edge guarded thereby, of a cutter guard comprising a bottom guard plate slotted to receive said cutter disc and upright and projecting forwardly beyond the cutter disc, and laterally spaced side guard plates disposed on opposite sides of the cutter with their bottom edges upon and secured to the bottom guard plate and with their rear edges overlapping the said upright and. their front edges projecting forwardly beyond the cutter, said motor housing having guard supporting brackets thereon, said bottom and side guard plates being of transparent material permittingv vision of the cutter disc and the shoe and facilitating the manipulation of they cutter uponthe work.
4. In combination with a fabric cutter including a. shoe, an upright on said shoe, a motor including a housing supported by said shoe and a disc cutter having driving connection with said motor and disposed at the front of said upright with its rear edge guarded thereby, of a cutter guard supported by said upright and comprising a bottom guard plate slotted to receive said outter disc and upright and projecting forwardly beyond the cutter disc, and laterally spaced side guard plates disposed on opposite sides of the cutter with their bottom edges secured to the bottom guard plate and with their front edges projecting forwardly beyond the cutter, said bottom and side guard plates being of transparent material permitting vision of the cutter disc and the shoe and facilitating the manipulation of the cutter upon the work.
5. In combination with a fabric cutter including a shoe, a rotatably mounted cutter disc and a driving motor therefor supported by the shoe, of a cutter guard supported by the shoe comprising a bottom plate slotted to receive the cutter disc, and side: plates disposed, on opposite sides of the disc, said guard being mounted. for vertical and tilting adjustment relative to the cutter disc, said bottom and side guard plates being of transparent material permitting the Work and the relation. of the cutter thereto to be viewed through the guard.
6. In combination with a fabric cutter including a shoe, a rotatably mounted cutter disk and a driving motor therefor supported by the shoe, of a cutter guard supported by the shoe comprising a bottom plate slotted to receive the cutter disc, and side plates disposed on opposite sides of the disc, said bottom and side guard plates being of transparent material permitting the work and the relation of the cutter thereto to be viewed through the guard.
FRED L. ETCHEN.
No references cited.
US243777A 1951-08-27 1951-08-27 Fabric cutter guard Expired - Lifetime US2627657A (en)

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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2798518A (en) * 1956-03-02 1957-07-09 James W Gray Hand-manipulable portable band-saw assembly
US2839103A (en) * 1954-11-16 1958-06-17 British Celanese Safety guards for rotary blade fabric cutters
US3195591A (en) * 1963-02-26 1965-07-20 Haberman Donovan Sylvester Portable table for circular saw
US3670412A (en) * 1970-09-28 1972-06-20 Frank W Cunningham Power cutter
US3902042A (en) * 1973-02-21 1975-08-26 Adolph E Goldfarb Electrically heated tool for cutting designs in a surface
US4062111A (en) * 1976-09-20 1977-12-13 Eastman Machine Company Sharpener mounting structure and knife guard for circular knife type of cloth cutting machine
US4077555A (en) * 1977-02-15 1978-03-07 Jeff Adolph L Blade-breaking apparatus
EP0945232A2 (en) * 1998-03-24 1999-09-29 Staples Group PLC Cutting machine blade guard
US6305089B1 (en) * 1999-12-20 2001-10-23 Isx Company Cutting guide
US20040035274A1 (en) * 2001-06-07 2004-02-26 Samuel Fasnacht Saw cutting guide
US6757982B2 (en) * 2000-05-12 2004-07-06 Exakt Precision Tools Limited Safety improvements for power tool
US20050183269A1 (en) * 2004-02-20 2005-08-25 Thompson Mark W. Guard for a grass trimming device
US20070000141A1 (en) * 2005-06-30 2007-01-04 Deshotel Terrance M Film cutter
US20070017191A1 (en) * 2005-07-22 2007-01-25 Miller Philip T Dust collector for a power tool
US7930959B1 (en) * 2005-05-18 2011-04-26 Larry Greene Table saw accessory
US20150352740A1 (en) * 2008-02-12 2015-12-10 California Industrial Rubber Company, Inc. Apparatus for severing a workpiece
US11759966B2 (en) 2016-12-09 2023-09-19 Bettcher Industries, Inc. Cam-actuated split blade housing for power operated rotary knife

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2839103A (en) * 1954-11-16 1958-06-17 British Celanese Safety guards for rotary blade fabric cutters
US2798518A (en) * 1956-03-02 1957-07-09 James W Gray Hand-manipulable portable band-saw assembly
US3195591A (en) * 1963-02-26 1965-07-20 Haberman Donovan Sylvester Portable table for circular saw
US3670412A (en) * 1970-09-28 1972-06-20 Frank W Cunningham Power cutter
US3902042A (en) * 1973-02-21 1975-08-26 Adolph E Goldfarb Electrically heated tool for cutting designs in a surface
US4062111A (en) * 1976-09-20 1977-12-13 Eastman Machine Company Sharpener mounting structure and knife guard for circular knife type of cloth cutting machine
US4077555A (en) * 1977-02-15 1978-03-07 Jeff Adolph L Blade-breaking apparatus
EP0945232A2 (en) * 1998-03-24 1999-09-29 Staples Group PLC Cutting machine blade guard
EP0945232A3 (en) * 1998-03-24 2000-07-19 Staples Group PLC Cutting machine blade guard
US6305089B1 (en) * 1999-12-20 2001-10-23 Isx Company Cutting guide
US6757982B2 (en) * 2000-05-12 2004-07-06 Exakt Precision Tools Limited Safety improvements for power tool
US20040035274A1 (en) * 2001-06-07 2004-02-26 Samuel Fasnacht Saw cutting guide
US20050183269A1 (en) * 2004-02-20 2005-08-25 Thompson Mark W. Guard for a grass trimming device
US7930959B1 (en) * 2005-05-18 2011-04-26 Larry Greene Table saw accessory
US20070000141A1 (en) * 2005-06-30 2007-01-04 Deshotel Terrance M Film cutter
US20070017191A1 (en) * 2005-07-22 2007-01-25 Miller Philip T Dust collector for a power tool
US7465328B2 (en) 2005-07-22 2008-12-16 Black & Decker Inc. Dust collector for a power tool
US20150352740A1 (en) * 2008-02-12 2015-12-10 California Industrial Rubber Company, Inc. Apparatus for severing a workpiece
US9782907B2 (en) * 2008-02-12 2017-10-10 California Industrial Rubber Co., Inc. Apparatus for severing a workpiece
US10279501B2 (en) 2008-02-12 2019-05-07 California Industrial Rubber Company, Inc. Apparatus for severing a workpiece
US20200122349A1 (en) * 2008-02-12 2020-04-23 California Industrial Rubber Company, Inc. Apparatus for Severing a Workpiece
US10994436B2 (en) * 2008-02-12 2021-05-04 California Industrial Rubber Company, Inc. Apparatus for severing a workpiece
US11759966B2 (en) 2016-12-09 2023-09-19 Bettcher Industries, Inc. Cam-actuated split blade housing for power operated rotary knife

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