US2947271A - Supporting bases for cylinder bed machines - Google Patents

Supporting bases for cylinder bed machines Download PDF

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Publication number
US2947271A
US2947271A US565122A US56512256A US2947271A US 2947271 A US2947271 A US 2947271A US 565122 A US565122 A US 565122A US 56512256 A US56512256 A US 56512256A US 2947271 A US2947271 A US 2947271A
Authority
US
United States
Prior art keywords
supporting
work
cylinder bed
support
standard
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
US565122A
Other languages
English (en)
Inventor
Martin R Perla
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Singer Co
Original Assignee
Singer Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Singer Co filed Critical Singer Co
Priority to US565122A priority Critical patent/US2947271A/en
Priority to GB2749/57A priority patent/GB804485A/en
Priority to DES52245A priority patent/DE1119639B/de
Priority to FR1166283D priority patent/FR1166283A/fr
Priority to CH353971D priority patent/CH353971A/de
Application granted granted Critical
Publication of US2947271A publication Critical patent/US2947271A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B73/00—Casings

Definitions

  • This invention relates to sewing machines, and more particularly, to a novel base construction for supporting and Stabilizing a portable sewing machine during use.
  • Fig. 4 is a front elevational view of a portion of a sewing machine having a modified fonn or su porting base applied thereto.
  • Fig.5 represents a bottom plan view of that portion of the sewing machine illustrated in Fig. ,4.
  • Fig, 6 is a cross sectional view takensubstantially along line 6-6 of Fig. 5 and V Fig. 7 is an enlarged cross sectional view taken substantially along the line 7-7 of Fig. 5.
  • this invention in preferred form is applied to a sewing machine having a free work supporting arm 11 or a cylinder bed as it is also commonly referred to in the art.
  • the work supper'ting arin extends laterally outwardly from a machine base 12 of which a vertical continuation forms a standard 13 carrying a bracket arm 14 which overhangs the work supporting arm. ;As a matter of convenience of manufacture,
  • the base and the standard may be fabricated separately,
  • porting base is particularly well adapted for usewith a free arm type sewing machine' It is. also anobject of this invention to provide-a? supporting base for a free arm type 's'ewingWmachine which does not detractfrom the space avtail-ableforjhe flow of work between the free arm andthes'ur'face upon which the machine is supported so that the freear'm need not be superelevated to compensateifot any loss of workspace beneath the arm occasioned by the presence of the supporting base.
  • this invention comprises are: locked together to form, an integral standard unit from which the work supporting arm extends.
  • This invention is not concerned with the particular form of-stitch forming mechanism of the sewing machine,
  • any conventional type of "stitch for" ng bracket arm'14 The needle cooperates in the formation of stitches with stitch forming mechanism (not shown) cari iedinthe work supporting arm, thefwork fabrics being pressed against a work feeding dog 17 in the work supporting arm' by a presser foot 18 carried by a presser bar l 9 supported in the bracket arm.
  • stitch forming mechanism (not shown) cari iedinthe work supporting arm, thefwork fabrics being pressed against a work feeding dog 17 in the work supporting arm' by a presser foot 18 carried by a presser bar l 9 supported in the bracket arm.
  • This invention i'elatesto a novel supporting base con strufction effective to provide a stable snpport'jer the sewing machine when placed directly upon 'any fiat surface, such'as a table top, j'desk, counter, 'ete. f Figs. 1,2
  • Figs. 4, 5, 6 and 7 illustrate a slightly iiio'dified form of construction.
  • 7 3 Referring to Figs. 1, 2 and 3, the supporting base orn prises a continuous member 25 of subetantiatl'y'unifei-ni .cross lse'ctional configurationand formed into, a closed loop. "Apair; of cross braces 26-46 are welded for? otherwise secured across the loop provided by the support member 25, which braces accommodate fastening bolts 27--27I by whichthe support member is fastened to the base'of the machine'frame beneath the standard.
  • tubular support member of "circular V cross sectional shape is shown.
  • the tubular form is ad-.
  • Fig. 1 is a front elevational viewof a sewing machine having applied thereto a supporting base embodying my invention.
  • Fig. 2 represents a cross sectional view taken substantially along line 2-2 of Fig. 1 and illustrating the top 7 plan view of'the work supporting arm and the supporting baseof the sewingmachine.
  • u Fig. .3 is a cross sectional view taken substantially work fabrics over the supporting base and minimizes interfererice and catching of buttons and other objects which may be associated with the fabrics being stitched, 'It will be appreciated, however, that this invention'is not necessarily limited to this preferred form and crosssectional configuration inasmuch as a solid support themher of non-circular cross section might also be used" effectively.
  • the supporting member 25 is formed in a fiat l" "p; that is, its under surfaces are co-plana'i', so that 06' illfi ous engagement will be made with any flat surface u on which the sewing machine may be placed.
  • a plurality V of pads 29-49 of flexible cushioning material such as rubber, felt, or the like may, however, be affixed beneath the support member to prevent marring or scratching of the table top or other surfaces upon which the sewing machine may be placed.
  • the cushion pads 29-49 are formed each with a shank '30 adapted to be forced into an aperture provided on the under surface of the support member 25. Expansion of the shank 30 within the tubular support member 25 'will lock the cushion pad 29 in place.
  • Fig. 2 is a plan view of the work supporting arm 11 of the sewing machine together with the supporting member 25 taken normal to the plane of support Y Y.
  • the work supporting arm 11 of the sewing machine corresponds in Fig. 2 to its projection normal to the plane of support YY, and as illustrated in Fig.
  • the support member 25 is disposed completely outside the projection of the work supporting arm normal to the plane'of support.
  • the loop formed by the support member thus defines an aperture which contains the projection'of the work supporting arm normal to the plane of support.
  • the support member 25 is preferably disposed beneath the-level of the work supporting arm of the sewing machine so that the work fabrics in passing around the free arm need not follow a torturous path in which they are apt to catch, snag or be otherwise impeded, but in which they may flow freely thus provides both stability of support for the sewing machine as well as a maximum of clearance, facilitating passage of fabrics around the work supporting arm of a cylinder bed sewing machine.
  • a supporting base comprising a loop-shaped member secured to said standard and defining a plane of support for said sewing machine beneath the under surface of said cylinder bed, said member extending from said standard and disposed wholly outside the projected area of said work-supporting cylinder bed normal to said plane of support, and said member outwardly of the stitching point toward the free end of said cylinder bed extending from the plane of support only a portion of the distance between said plane of support and the under surface of said cylinder bed.
  • a supporting base comprising a member secured to said standard and defining a plane of support for said sewing machine, beneath said cylinder-bed, said member being formed to define an aperture encompassing the projected area of said work-supporting cylinder bed normal to said plane of PP 3.
  • a sewing machine having a standard, a free ended work-supporting cylinder bed extending from said standard and adapted to accommodate tubular articles, said cylinder bed having an upper worksupporting surface and an under surface, and stitch about the arm.
  • the support member'25, 'as illustrated in'these figures, extends vertically from the plane of support YY only a portion of the distance between the plane of support and the work supporting arm of the sewing machine.
  • Figs. 4, 5, 6 and 7 illustrate a slightly modified' form V of construction embodying this invention.
  • a support member 35 in the form of a continuous U-shaped loop is used.
  • the support member is preferably of tubular material with uniform cross sectional shape, one free extremity of the U-shapedsupport member being secured beneath the front'of the'machine frame base or standard and the other free extremity being secured beneath the rear thereof by fastening bolts 36-36.
  • the tubular support member 35 is apertured to receive the fastening bolts 36 and a washer 37 is provided on each fastening bolt 36.
  • the washers 37 are preferably formed with the contour of the bore of the tubular support member.
  • Cushioning pads 39-39 may be secured to the support member '35, as in the construction illustrated in Figs. 1, 2 and 3.
  • the cushioning pads beneath the machine base 12 may, if desired, be fitted directly to the machine base itself, as illustrated in Figs. 4 and 5.
  • the forrn'illustrated in Figs. 4, 5, 6 and 7 provides a machine supporting hese extending outside the projection of the work supporting arm 11 normal to a plane of support YY defined by the supporting base 35, and the supporting base 35 occupies only a portion of the vertical distance between the plane of support Y-Y and the work'supporting arm 11.
  • the supporting base in accordance with this invention forming instrumentalities' carried by said standard and said cylinder bed defining a stitching point on said cylinder bed, a supporting base comprising a member secured to said standardand defining a plane of support for said sewingmachine, said memebr being formed with a loopshaped portion of substantially uniform cross-sectional shape extending from said standard to define an aperture encompassing the projected area of said work-supporting cylinder bed normal to said plane of support, and said member extending upwardly from the plane of support only a portion of the distance between said plane of support and the under surface of said cylinder bed.
  • the supporting base comprises a member having the form of a U-shaped' loop with spaced free extremities, and means for securing'each free extremity of said loop beneath said standard to define said aperture encompassing said i projected area "of the Work-supporting cylinder bed.
  • the supporting base comprises a member having the form of a U-shaped loop with spaced free extremities shaped to encompass on three sides a space as large as that occupiedby the projectedarea of said work-supporting cylinder bed normal to'said plane of'support, and means for securing each free extremity of said loop beneath said standard to define said aperture encompassing said projected area of the work-supporting cylinder bed.
  • the supporting base comprises a member having the-form of a closed loop shaped to enclose a space larger than the projected area of said work-supporting cylinder bed normal to said plane of support, and means for securing said closed loop shaped member beneath said standard with said enclosed space encompassing said projected area of the Work-supporting cylinder bed.
  • the supporting base comprises a member having the form of a closed continuous loop shaped to encompass on all sides a space larger than that occupied by said projected area of said work-supporting cylinder bed on said plane of support, and means for securing said closed loop shaped member beneath said standard with said enclosed space 6 encompassing said projected area of the Work-supporting cylinder bed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
US565122A 1956-02-13 1956-02-13 Supporting bases for cylinder bed machines Expired - Lifetime US2947271A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US565122A US2947271A (en) 1956-02-13 1956-02-13 Supporting bases for cylinder bed machines
GB2749/57A GB804485A (en) 1956-02-13 1957-01-25 Supporting base for cylinder bed sewing machine
DES52245A DE1119639B (de) 1956-02-13 1957-02-07 Naehmaschinengehaeuse
FR1166283D FR1166283A (fr) 1956-02-13 1957-02-12 Machine à coudre
CH353971D CH353971A (de) 1956-02-13 1957-02-13 Nähmaschinengehäuse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US565122A US2947271A (en) 1956-02-13 1956-02-13 Supporting bases for cylinder bed machines

Publications (1)

Publication Number Publication Date
US2947271A true US2947271A (en) 1960-08-02

Family

ID=24257293

Family Applications (1)

Application Number Title Priority Date Filing Date
US565122A Expired - Lifetime US2947271A (en) 1956-02-13 1956-02-13 Supporting bases for cylinder bed machines

Country Status (5)

Country Link
US (1) US2947271A (de)
CH (1) CH353971A (de)
DE (1) DE1119639B (de)
FR (1) FR1166283A (de)
GB (1) GB804485A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4006695A (en) * 1975-05-30 1977-02-08 Textron, Inc. Apparatus for applying slide fastener chain to tubular garment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1716132A (en) * 1926-10-30 1929-06-04 Westinghouse Electric & Mfg Co Turbine-generator support
US2247383A (en) * 1939-12-29 1941-07-01 Sears Roebuck & Co Convertible flat-bed cylinder arm sewing machine
US2424872A (en) * 1944-12-16 1947-07-29 Singer Mfg Co Convertible flat-bed and cylinderarm sewing machine
US2637919A (en) * 1950-06-28 1953-05-12 Josephine S Buchanan Sectional collapsible pressing board

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH238675A (de) * 1944-04-05 1945-08-15 Garag Tisch-Nähmaschine.
DE896150C (de) * 1951-07-01 1953-11-09 Willy Dr-Ing Messerschmitt Sockelnaehmaschine mit freilegbarem Stofftragarm

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1716132A (en) * 1926-10-30 1929-06-04 Westinghouse Electric & Mfg Co Turbine-generator support
US2247383A (en) * 1939-12-29 1941-07-01 Sears Roebuck & Co Convertible flat-bed cylinder arm sewing machine
US2424872A (en) * 1944-12-16 1947-07-29 Singer Mfg Co Convertible flat-bed and cylinderarm sewing machine
US2637919A (en) * 1950-06-28 1953-05-12 Josephine S Buchanan Sectional collapsible pressing board

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4006695A (en) * 1975-05-30 1977-02-08 Textron, Inc. Apparatus for applying slide fastener chain to tubular garment

Also Published As

Publication number Publication date
FR1166283A (fr) 1958-11-04
GB804485A (en) 1958-11-19
CH353971A (de) 1961-04-30
DE1119639B (de) 1961-12-14

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