NL6607140A - - Google Patents

Info

Publication number
NL6607140A
NL6607140A NL6607140A NL6607140A NL6607140A NL 6607140 A NL6607140 A NL 6607140A NL 6607140 A NL6607140 A NL 6607140A NL 6607140 A NL6607140 A NL 6607140A NL 6607140 A NL6607140 A NL 6607140A
Authority
NL
Netherlands
Application number
NL6607140A
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 filed Critical
Publication of NL6607140A publication Critical patent/NL6607140A/xx

Links

Classifications

    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/20—Undercarriages with or without wheels
    • F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
    • F16M11/242—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by spreading of the legs
    • F16M11/245—Members limiting spreading of legs, e.g. "umbrella legs"
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
    • F16M11/105—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis the horizontal axis being the roll axis, e.g. for creating a landscape-portrait rotation
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/04—Balancing means
    • F16M2200/044—Balancing means for balancing rotational movement of the undercarriage
NL6607140A 1965-05-24 1966-05-24 NL6607140A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US458316A US3315930A (en) 1965-05-24 1965-05-24 Portable projection screen stand

Publications (1)

Publication Number Publication Date
NL6607140A true NL6607140A (en) 1966-11-25

Family

ID=23820302

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6607140A NL6607140A (en) 1965-05-24 1966-05-24

Country Status (4)

Country Link
US (1) US3315930A (en)
DE (1) DE1497556A1 (en)
GB (1) GB1081968A (en)
NL (1) NL6607140A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3819457A (en) * 1973-02-26 1974-06-25 Consolidated Novelty Co Ltd Artificial christmas tree having erectable limbs
GB2222516A (en) * 1988-08-22 1990-03-14 Hwang Sheng Chang Supporting structure
GB2244424B (en) * 1990-04-27 1993-01-20 Reckitt & Colman Fine Art & Gr Improvements to adjustable supports
US6102357A (en) * 1998-02-18 2000-08-15 Papadatos; Evangelos A. Multi-positional tree stand
US6851701B2 (en) 2002-08-09 2005-02-08 Ames True Temper, Inc. Collapsible wheelbarrow and associated method
US6923469B2 (en) * 2002-08-09 2005-08-02 Ames True Temper, Inc. Collapsible wheelbarrow
US6981350B1 (en) 2003-01-24 2006-01-03 Draper, Inc. Projection screen apparatus
US20050087958A1 (en) * 2003-05-07 2005-04-28 Ames True Temper, Inc. Collapsible wheelbarrow
US7832701B2 (en) * 2006-04-11 2010-11-16 Barnes Bobby M Easy open portable easel
CN104730840A (en) * 2015-04-08 2015-06-24 王静 Portable projection screen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899164A (en) * 1959-08-11 Portable tripod stand for projection
US755043A (en) * 1903-11-27 1904-03-22 George W Pike Folding stool.
US1258518A (en) * 1917-08-01 1918-03-05 Louis B Ankovitz Umbrella-holder.
US2825518A (en) * 1956-05-16 1958-03-04 Sr Laurel E Cooley Portable projection screen structure
US2925979A (en) * 1957-03-29 1960-02-23 William P Walker Paint bucket support for use on staging

Also Published As

Publication number Publication date
DE1497556A1 (en) 1969-07-10
US3315930A (en) 1967-04-25
GB1081968A (en) 1967-09-06

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