US2982974A - Sofa bed with automatic operation - Google Patents

Sofa bed with automatic operation Download PDF

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Publication number
US2982974A
US2982974A US453808A US45380854A US2982974A US 2982974 A US2982974 A US 2982974A US 453808 A US453808 A US 453808A US 45380854 A US45380854 A US 45380854A US 2982974 A US2982974 A US 2982974A
Authority
US
United States
Prior art keywords
frame
bed
sofa
section
frame section
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
US453808A
Other languages
English (en)
Inventor
Edward L Bronstien
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.)
United States Bedding Co
Original Assignee
Us Bedding 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 Us Bedding Co filed Critical Us Bedding Co
Priority to US453808A priority Critical patent/US2982974A/en
Priority to GB23612/55A priority patent/GB791250A/en
Priority to DEU3496A priority patent/DE1253422B/de
Priority to FR1136345D priority patent/FR1136345A/fr
Priority to CH341969D priority patent/CH341969A/de
Application granted granted Critical
Publication of US2982974A publication Critical patent/US2982974A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C17/00—Sofas; Couches; Beds
    • A47C17/04—Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds
    • A47C17/22—Seating furniture having non-movable back-rest changeable to beds with means for uncovering a previously hidden mattress or similar bed part
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C17/00—Sofas; Couches; Beds
    • A47C17/04—Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds
    • A47C17/22—Seating furniture having non-movable back-rest changeable to beds with means for uncovering a previously hidden mattress or similar bed part
    • A47C17/23—Seating furniture having non-movable back-rest changeable to beds with means for uncovering a previously hidden mattress or similar bed part the lying down bed surface partly consisting of one side of the seat
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/12—Packers; Plugs
    • E21B33/1208—Packers; Plugs characterised by the construction of the sealing or packing means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
    • H01H47/20—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for producing frequency-selective operation of the relay
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S5/00—Beds
    • Y10S5/927—Sofa beds with motor means

Definitions

  • V a Figure 3 is anielevational-view: of theestmctutezshown when the bed frame "is in the".
  • fO1dd ,Oi-;i A :.i Figure4 is. a fragmentary view inelevationi showing" r a modification, in the structure ⁇ for,ipivotally niou itin i thebed frame onto thefsofa frameand ,ill trating. ;'ghe
  • This invention relates to a sofa bed and an improvement in the construction thereof which enables operation to be more easily and quickly effected for conversion from a bed to a sofa and vice versa.
  • Figure 2 is an elevationalvijewi of the structure illustrated'in Figure lwi-th the bed frameistructurcsinan $5.6
  • I Figure 6 is a perspective view of a modification in the mounting of the power operated means for actuating the bed frame to folded and unfolded positions of ad-- justment.
  • bed ime is intended jtoincludezt-he extensibl ections adapted to be unfolded toiopen or gbed p0 -as-- illustrated in 'Figu're l 0f the drawings,o folde to the sofa onclosed position;; as illustrated I of the tlrawing s,*with f the bed. frame se'ctions. m
  • the forward end of the inner frame section -17 is pivoted at 18 to the rearward end portion of the inner intermediate "section 16.
  • the forward end' portion of the inner intermediate section 16 is pivoted at 19 on the rearward end portion of t-he'outer intermediate section 1 5 and the forward end portion of the outer intermediate section is pivoted at 20 on the rearward end portion of the outer section 14.
  • Each of the bed frame sections is formed of side channel members spaced one from the other crosswise by a distance slightly less than the spaced relation between -the side walls 12 of the sofa frame with cross brace members interconnecting the side bed frame members for rigidity and support. Since each of the side frame members in each of the sections is constructed similarly to the others opposite thereto and similarly in connection with other parts, it will sufiice merely to describe the construction arrangement of one side structure. It is preferred to form the bed frame members of each of the sections of angle irons with the horizontally disposed ledge 21 lowermost and extending inwardly for aiding in the support of a mattress orthe like bedding thereon.
  • the inner bed frame section 17 is pivotally secured at its rearward end portion to the side walls of the sofa frame as by means of a bracket plate 22 which is fixed as by means of screws or bolts 23 to the inner wall at each side of the sofa frame and onto which one'end portion of a curvilinear arm 24 is pivoted as at 25 While the other end portion is rigid with the rearward end portion of the inner frame section 17.
  • a metal plate 25 is secured as by means of screws or bolts 26 to each side of the sofa frame adjacent the front wall.
  • a lever arm 27 is pivotally secured at 28 to the plate while the other end of the arm 27 is pivotally connected at, 29 to the forward end portion of a link 30 and the upper rearward end portion of a bell crank 31.
  • the rearward end portion of the link 30 is pivoted at 32 on the upwardly projecting end of a bracket 33 fixed as by bolts or rivets 34 to the side of the inner bed frame section 17 intermediate its ends.
  • the bell crank 31 is pivoted intermediate its ends at 35 to the side of the inner intermediate bed plate section 16 in a central portion thereof while the other free .4 14 into closely spaced parallel relation with the inner intermediate frame section 16 during the folding operation and to latch the outer frame section in the desired position while the frame sections are in foldedposition and to maintain such latching engagement until such time as the inner frame sections are unfolded.
  • the leg comprises a ri gid siipporting member pivoted at its upper end at 40 which also represents the pivotal point" 19 between the outer intermediate section 15 and theinner intermediate section 16.
  • the intermediate supporting legs. 39' are'intefgrated in'movement one with the .other by; means of one or more cross brace members 41 in the fornipf angle of the legs.
  • aeeaen 75 78 isconnected by a conduit 80 to the base of the cy folded and unfolded positions of adjustment.
  • One such means illustrated in Figures 1-3 of the drawings, comprises a locking pin 47 which extends laterally from the pivotally connected ends of a pair of links 48 and 49.
  • the free end of link 48 is pivoted at 50 on an intermediate portion of the outer frame section 15 and the free end of link 49 is provided with a stud 51 which is slidably received in an elongate slot 52 in the forward portion of the inner intermediate frame section 16.
  • a short link 53 is pivoted at one end on the stud 51 while the other end is pivoted at 54 to the side of theforward intermediate section 15 in closely spaced relation with its pivot 19.
  • the bell crank 31 is formed with a recess 55 which, when the bed frame is in unfolded or bed position, extends substantially vertically downwardly from the upper edge in position to receive the locking pin 47 therein into which position the pin 47 is displaced when the outer frame section 14 is folded about its pivot 20 to extend at about an angle of 90 degrees from the outer intermediate section 15 and when the outer intermediate section 15 is folded about its pivot 19 to extend at an angle of about 90 degrees with the rearward intermediate section.
  • the power operated means comprises a hydrauliccylinder 60 having its' base pivoted at 61 to the end portion of a bracket 62 which extends forwardly beyond the pivot 19 from the body portion of the bracket which is fixed to the underside of the forward end portion of the inner intermediate section 16.
  • Another hydraulic cylinder 66 has its base pivoted at '67 onto a bracket 68 fixed to the sidewall of thesofa 'frameadjacent-its forward end while-the end of the piston 69 is pivoted at 70 onto the end of a link 71 which is rigidly connected to the rocker arm 27 at its pivot so so that the arm will be rocked with'the link about their .infafluid reservoir 73 and a reversible motor 74* con nected -forfoperation of the pump.
  • One port er the -is connected byonecondu'it 75 ton manifold which'has a number of outlets 78 and 79. 'One ou tbt :if't
  • conduit 87 to the head end of the hydraulic cylinder 60.
  • the conduits are formed preferably of aflexible' material to enable flexing action of the conduits during changes in positions of the frame of the cylinders in response to opening and closing movements-of the sofa bed. It is desirable to fabricate the conduits of tubing capable of use at high pressure without leakage or breakage for use in the transmission of fluids under pressure for positive operation of the hydraulic cylinders.
  • section 15 extends substantially perpendicularly from the end of section 16 with the outer frame section.14 in position over section 16 in spaced parallel relation therewith. This provides the first phase of the folding operation achieved by the hydraulic cylinder 60. and produces the position of parts shown in Figure 2. g
  • conduit 81 to the base of the hydraulic cylinder 66.- This causes 'outward displacement, of the piston 69 for '.-positive actuation of .thelink 71 to rock the link and thaiocker .27 about their; commonpivot 28.-,, As the rocker arm" is, rotated .about its; pivot from the position shown in Figures]; and. 2
  • the inner section 17 swings about .the, pivot 25 and assumes-a position substantially perpendic ular to the inner intermediate section 16 which is displaced rearwardly and down'and becomes seated in the space at the bottom of the sofa frame between the rear and front walls' with the outer frame section and the outer intermediate frame section positioned in the same relation assumed upon the initial folding step.
  • This relative pivotal movement between sections 16 and 17 7 causes link 30 to rock the bell crank 31 counterclockwise about its pivot 35 with the result that the lockingpin 47 tion thereby firmly to hold the outer frame section in the folded position.
  • the inner frame section '17 extends substantially vertically adjacent the back wall of thesofa frame while the inner intermediate section extends forwardly'from the bottom thereof across the base of the sofa frame:
  • the forward intermediate section extends substantially perpendicularly upwardly from the forwardedge to a level corresponding to the height of the front base section and the outer frame -section 14 extends rearwardly in parallel spaced relation with the inner intermediate section 16 thereby to provide -a compact unit which comfortably fits within the baseof the sofa; frame.
  • Seat cushions are placed upon and supported by the outer frame section 14.
  • the power operated means can be positioned on the top side of the frame members, as illustrated in Figure 6 of the drawings.
  • a hydraulic cylinder 90 is mounted with the base of the cylinder pivoted on a pin 91 extending across the yoke of a bracket 92 fixed to the top side ofthe frame section 16 adjacent the pivot 19 while the end of the piston rod 93 is pivoted on.a similar bracket 95 fixed to the top side of the frame section 14 adjacent the pivot 20;
  • the conduit is connected for feeding the pressure fluid to the head 96 of the cylinder.
  • FIG. 4 illustration is made of a modification in the means for pivotally mounting the bed frame ontothe sofa frame in a manner which permits greater displacement of the entire bed frame during unfolding to bed position without interfering with the flexibility of operations or the compact arrangement of parts when in folded or sofa position.
  • the inner frame member 17 has an extension 98 rigid with the inner end thereof for pivotal connection at 98 to an intermediate portion of a link 99.
  • the link is pivoted at its far end at 100 to ,the upper end portion of, a bracket 101 fixed, as by means of screws 102, to the side walls of the sofa frame. Also pivoted at 103 onto the other end portion of the link 99.
  • a stationary sofa frame a four section bed frame pivoted at one end portion onto the sofa frame including an outer frame section, an outer intermediate frame section, an inner intermediate frame section and an inner frame sectionpivoted atits inner end to the sofa frame and respectively pivotally connected one to the other at their end portions for unfoldingito bed position with the frame sections extending in aligned end to end relation in bed position and for folding into thesofa framein sofa] position, poweroperated means interconnecting the outer sectionsand the inner intermediate section, other power operated means interconnecting the inner sections withthe sofa frame for pivoting the outer sections between folded andunfolded position and for pivoting the inner sections between folded and unfolded positions,and means for controlling the sequence of operations whereby.
  • the first power-operated means is effective when the bed is in open bed position to fold the outer frame section onto the outer intermediate frame section and to-fold-the outer intermediate frame section relative to the inner intermediate frame section whereby the outer frame section overlies the' inner intermediate frame section in substantially spaced parallel relation and whereby the other power-operated means becomes efiective upon completion of the folding of the is effective first'when the bed-frame sections are in folded sofa position to unfold the inner frame section and the inner intermediate frame section to carry said frame sections from the sofa frame to the unfolded bed position prior to operation of the first power-operated means and whereby the first power-operated means becomes effective after the other power-operated means has completed the unfolding operation of the inner and inner intermediate frame sections, to unfold the outer intermediate and outer frame section-s from the described folded position to unfolded bed position.
  • a stationary sofa frame a four section bed frame pivoted at one end portion onto the sofa frame including an outer frame section, an outer intermediate frame section of relatively small dimension, an inner intermediate frame section and an inner frame section pivotally connected one to another respectively at their ends for unfolding to bed position with the frame sections extending in aligned end to end relation and for folding into the sofa frame in sofa' position, extensions projecting in the same direction beyond the respective pivots from the inner end portions of the outer frame section and from the outer end portion of the inner intermediate frame section, a fluid cylinder pivotally connected at its ends respectively to the projections for pivoting the outer section and the outer intermediate section between folded and unfolded positions and another hydraulic cylinder operatively engaging the inner sections for displacement thereof between folded and unfolded positions, and means for supplying fluid under pressure to the hydraulic cylinders for actuation of the frame sections selectively to folded and unfolded positions whereby the first poweroperated means is effective when the bed is in open bed position to fold the outer frame section onto the outer intermediate frame section and to fold
  • an inner intermediate frame section andan inner frame section pivotally connected one to another respectively at their ends for unfolding to bfed'position with the frame 7 sections extending in aligned end to end relation and for folding into the sofa frame in sofa position, extensions projecting in the same direction beyond the respective 1 pivots from the inner end portions of the outer frame section and from the outer end portion of the'inner intermediate frame section, a fluid cylinder pivotally connected at its ends respectively to the projections for pivoting the outer section and the outer intermediate section between folded and unfolded positions and another hydraulic cylinder operatively engaging the inner sections for displacement thereof between folded and unfolded positions, and means for supplying fluid under pressure to the hydraulic cylinders for actuation of the frame sections selectively to folded and unfolded positions whereby the lesser force required to fold the outer frame sections from unfolded position causes the hydraulic fluid under pressure to flow first to the hydraulic cylinder to fold the outer frame section relative to the outer intermediate frame section and to fold the outer intermediate frame section relative to, the inner intermediate frame section to folded positions and then to the other hydraulic cylinder for displacement
US453808A 1954-09-02 1954-09-02 Sofa bed with automatic operation Expired - Lifetime US2982974A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US453808A US2982974A (en) 1954-09-02 1954-09-02 Sofa bed with automatic operation
GB23612/55A GB791250A (en) 1954-09-02 1955-08-16 A sofa bed with automatic operation
DEU3496A DE1253422B (de) 1954-09-02 1955-08-31 Bettcouch
FR1136345D FR1136345A (fr) 1954-09-02 1955-09-01 Perfectionnements apportés aux canapés-lits
CH341969D CH341969A (de) 1954-09-02 1955-09-01 Sofabett

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US453808A US2982974A (en) 1954-09-02 1954-09-02 Sofa bed with automatic operation

Publications (1)

Publication Number Publication Date
US2982974A true US2982974A (en) 1961-05-09

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ID=23802157

Family Applications (1)

Application Number Title Priority Date Filing Date
US453808A Expired - Lifetime US2982974A (en) 1954-09-02 1954-09-02 Sofa bed with automatic operation

Country Status (5)

Country Link
US (1) US2982974A (fr)
CH (1) CH341969A (fr)
DE (1) DE1253422B (fr)
FR (1) FR1136345A (fr)
GB (1) GB791250A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3056973A (en) * 1960-11-16 1962-10-09 Dura Corp Automatic convertible bed
US3299445A (en) * 1965-09-28 1967-01-24 Walter J Steffan Power means for sofa bed
US4074371A (en) * 1976-08-04 1978-02-21 Christian Services, Inc. Motorized hide-a-bed actuating mechanism
US4625345A (en) * 1985-03-26 1986-12-02 Wood Lorin A Automated sofa bed
US20140373272A1 (en) * 2012-01-02 2014-12-25 Comodo Italia S.R.L. Sofa Bed With Facilitated Opening, Particularly With Automatic Actuation

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2934770A (en) * 1957-02-18 1960-05-03 Castro Convertible Corp Power operated convertible sofa-bed
DE1181377B (de) * 1959-07-18 1964-11-12 Us Bedding Company Bettcouch
DE1172409B (de) * 1960-02-04 1964-06-18 Dura Corp Hydraulischer Antrieb fuer Bettgestelle mit schwenkbaren Kopf- und Fussteilen

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1814828A (en) * 1928-01-23 1931-07-14 Coopersmith Bed Company Folding bed
US1978902A (en) * 1933-06-21 1934-10-30 Virgil P Jackson Davenport
US2217783A (en) * 1938-06-09 1940-10-15 F O Schoedinger Operating table
US2520849A (en) * 1945-10-22 1950-08-29 Graham D Mcvicker Variable position bed
US2540133A (en) * 1947-07-03 1951-02-06 Roy G Miller Adjustable hospital bed
US2582565A (en) * 1948-03-15 1952-01-15 Edward V Schnippel Electrohydraulic operating unit for adjustable bedframes
US2632898A (en) * 1950-08-08 1953-03-31 Albert J Macdonald Invalid bed with fluid operated sections
US2634428A (en) * 1951-04-07 1953-04-14 Seng Co Bed davenport
US2676335A (en) * 1952-02-29 1954-04-27 Goodman Robert Davenport with section lock and support
US2770814A (en) * 1953-09-14 1956-11-20 Smith & Davis Mfg Company Folding davenport beds

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2168649A (en) * 1937-07-03 1939-08-08 John A Johnson Invalid bed accessory
CH272204A (de) * 1946-09-02 1950-12-15 Mr Matej Josef Ph Umwandelbare Ottomane.
US2576062A (en) * 1949-11-08 1951-11-20 Bebry Bedding Corp Love seat bed

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1814828A (en) * 1928-01-23 1931-07-14 Coopersmith Bed Company Folding bed
US1978902A (en) * 1933-06-21 1934-10-30 Virgil P Jackson Davenport
US2217783A (en) * 1938-06-09 1940-10-15 F O Schoedinger Operating table
US2520849A (en) * 1945-10-22 1950-08-29 Graham D Mcvicker Variable position bed
US2540133A (en) * 1947-07-03 1951-02-06 Roy G Miller Adjustable hospital bed
US2582565A (en) * 1948-03-15 1952-01-15 Edward V Schnippel Electrohydraulic operating unit for adjustable bedframes
US2632898A (en) * 1950-08-08 1953-03-31 Albert J Macdonald Invalid bed with fluid operated sections
US2634428A (en) * 1951-04-07 1953-04-14 Seng Co Bed davenport
US2676335A (en) * 1952-02-29 1954-04-27 Goodman Robert Davenport with section lock and support
US2770814A (en) * 1953-09-14 1956-11-20 Smith & Davis Mfg Company Folding davenport beds

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3056973A (en) * 1960-11-16 1962-10-09 Dura Corp Automatic convertible bed
US3299445A (en) * 1965-09-28 1967-01-24 Walter J Steffan Power means for sofa bed
US4074371A (en) * 1976-08-04 1978-02-21 Christian Services, Inc. Motorized hide-a-bed actuating mechanism
US4625345A (en) * 1985-03-26 1986-12-02 Wood Lorin A Automated sofa bed
US20140373272A1 (en) * 2012-01-02 2014-12-25 Comodo Italia S.R.L. Sofa Bed With Facilitated Opening, Particularly With Automatic Actuation
US9351583B2 (en) * 2012-01-02 2016-05-31 Comodo Italia S.R.L. Sofa bed with facilitated opening, particularly with automatic actuation

Also Published As

Publication number Publication date
GB791250A (en) 1958-02-26
CH341969A (de) 1959-10-31
FR1136345A (fr) 1957-05-13
DE1253422B (de) 1967-11-02

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