ES369467A1 - Spring and frame assembly particularly for box springs - Google Patents

Spring and frame assembly particularly for box springs

Info

Publication number
ES369467A1
ES369467A1 ES369467A ES369467A ES369467A1 ES 369467 A1 ES369467 A1 ES 369467A1 ES 369467 A ES369467 A ES 369467A ES 369467 A ES369467 A ES 369467A ES 369467 A1 ES369467 A1 ES 369467A1
Authority
ES
Spain
Prior art keywords
bars
spring
frame assembly
torsion
box springs
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
Application number
ES369467A
Other languages
Spanish (es)
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.)
Hoover Universal Inc
Original Assignee
Hoover Ball and Bearing 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 Hoover Ball and Bearing Co filed Critical Hoover Ball and Bearing Co
Publication of ES369467A1 publication Critical patent/ES369467A1/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
    • A47C23/04—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using springs in compression, e.g. coiled

Landscapes

  • Springs (AREA)
  • Seats For Vehicles (AREA)

Abstract

A wire upholstery spring comprises a body portion 28 provided at each end with a straight, horizontal section 49 from which depends a compressible portion 30, the latter comprising torsion bars 33-36 extending transversely of and directly below the end section 49, the torsion bars being interconnected by upright spacer bars 42, 44 and by connector bars 34, 35 and the end section 49 being connected by a shorter torsion bar 32 and a connector bar 38 to the next torsion bar 33. A foot 46 for anchoring to a support frame is integral with the lower end of the end portion 30.
ES369467A 1969-01-06 1969-07-12 Spring and frame assembly particularly for box springs Expired ES369467A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78931469A 1969-01-06 1969-01-06

Publications (1)

Publication Number Publication Date
ES369467A1 true ES369467A1 (en) 1971-06-01

Family

ID=25147261

Family Applications (1)

Application Number Title Priority Date Filing Date
ES369467A Expired ES369467A1 (en) 1969-01-06 1969-07-12 Spring and frame assembly particularly for box springs

Country Status (9)

Country Link
US (1) US3574241A (en)
BR (1) BR6912398D0 (en)
CA (1) CA922821A (en)
CH (1) CH521532A (en)
DE (1) DE1963397C3 (en)
ES (1) ES369467A1 (en)
FR (1) FR2027781A1 (en)
GB (1) GB1236697A (en)
NL (1) NL159872C (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3725965A (en) * 1972-03-10 1973-04-10 Leggett & Platt Box spring assembly
US3852838A (en) * 1973-05-23 1974-12-10 Hoover Ball & Bearing Co Box spring assembly and improved springs therefor
US3935605A (en) * 1974-12-16 1976-02-03 Simmons Company Mattress foundation
US4120058A (en) * 1977-08-15 1978-10-17 Hoover Universal, Inc. Low profile box spring assembly
US4195376A (en) * 1978-09-13 1980-04-01 Hoover Universal, Inc. Box spring assembly with improved end stiffness
US4218790A (en) * 1979-05-07 1980-08-26 Hoover Universal, Inc. Box spring assembly with improved stiffness characteristics
US4470584A (en) * 1982-01-29 1984-09-11 Hoover Universal, Inc. Box spring assembly
US4559654A (en) * 1983-09-14 1985-12-24 Mizelle Ned W Bedding units and components for such units
WO1987003792A1 (en) * 1985-12-24 1987-07-02 Mizelle Ned W Bedding units and components for such units
US4577841A (en) * 1984-07-18 1986-03-25 Webster Spring Co. Inc. Bent wire spring unit
US4704752A (en) * 1986-02-28 1987-11-10 Leggett & Platt, Incorporated Box spring assembly with modular twin continuous spring elements
US4730357A (en) * 1987-03-17 1988-03-15 Leggett & Platt, Incorporated Bedding box spring
US4921228A (en) * 1988-11-04 1990-05-01 Hoover Group, Inc. Box spring unit with interlocking spring and grid assembly
US4932535A (en) * 1989-02-27 1990-06-12 Hoover Group, Inc. Formed wire spring element for box spring assemblies
US5165667A (en) * 1990-08-29 1992-11-24 Hoover Group, Inc. Box spring assembly with crosswires having integral sinuous end springs
JP4259429B2 (en) 2004-08-24 2009-04-30 ヤマハ株式会社 Electric stringed instruments
US7954556B2 (en) * 2006-08-17 2011-06-07 Cnh America Llc Using a can bus engine torque/speed message as load feedback for implement draft control

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3286281A (en) * 1965-02-24 1966-11-22 Hoover Ball & Bearing Co Box spring assembly
US3487480A (en) * 1967-06-07 1970-01-06 Hoover Ball & Bearing Co Box spring assembly

Also Published As

Publication number Publication date
CA922821A (en) 1973-03-13
DE1963397C3 (en) 1979-04-05
NL159872C (en) 1979-09-17
NL159872B (en) 1979-04-17
US3574241A (en) 1971-04-13
FR2027781A1 (en) 1970-10-02
DE1963397B2 (en) 1978-08-24
DE1963397A1 (en) 1970-07-23
GB1236697A (en) 1971-06-23
BR6912398D0 (en) 1973-02-01
CH521532A (en) 1972-04-15
NL6909104A (en) 1970-07-08

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