CH521532A - Spring for a spring grid - Google Patents

Spring for a spring grid

Info

Publication number
CH521532A
CH521532A CH1912469A CH1912469A CH521532A CH 521532 A CH521532 A CH 521532A CH 1912469 A CH1912469 A CH 1912469A CH 1912469 A CH1912469 A CH 1912469A CH 521532 A CH521532 A CH 521532A
Authority
CH
Switzerland
Prior art keywords
spring
grid
spring grid
Prior art date
Application number
CH1912469A
Other languages
German (de)
Inventor
Valentine Slominski Walter
Original Assignee
Hoover Ball & 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 & Bearing Co filed Critical Hoover Ball & Bearing Co
Publication of CH521532A publication Critical patent/CH521532A/en

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
CH1912469A 1969-01-06 1969-12-22 Spring for a spring grid CH521532A (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
CH521532A true CH521532A (en) 1972-04-15

Family

ID=25147261

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1912469A CH521532A (en) 1969-01-06 1969-12-22 Spring for a spring grid

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
US4452438A (en) * 1982-01-29 1984-06-05 Hoover Universal, Inc. Box spring assembly with improved corner springs
US4559654A (en) * 1983-09-14 1985-12-24 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
EP0252074A4 (en) * 1985-12-24 1988-06-27 Ned W Mizelle Bedding units and components for such units.
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
NL159872C (en) 1979-09-17
DE1963397C3 (en) 1979-04-05
BR6912398D0 (en) 1973-02-01
US3574241A (en) 1971-04-13
NL159872B (en) 1979-04-17
DE1963397A1 (en) 1970-07-23
FR2027781A1 (en) 1970-10-02
NL6909104A (en) 1970-07-08
CA922821A (en) 1973-03-13
DE1963397B2 (en) 1978-08-24
ES369467A1 (en) 1971-06-01
GB1236697A (en) 1971-06-23

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Legal Events

Date Code Title Description
PL Patent ceased