US3351029A - Folding stage construction - Google Patents

Folding stage construction Download PDF

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Publication number
US3351029A
US3351029A US509138A US50913865A US3351029A US 3351029 A US3351029 A US 3351029A US 509138 A US509138 A US 509138A US 50913865 A US50913865 A US 50913865A US 3351029 A US3351029 A US 3351029A
Authority
US
United States
Prior art keywords
elements
legs
top elements
links
pair
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
US509138A
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English (en)
Inventor
Richard C Bue
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.)
Sico Inc
Original Assignee
Sico Inc
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 Sico Inc filed Critical Sico Inc
Priority to US509138A priority Critical patent/US3351029A/en
Priority to IL25910A priority patent/IL25910A/en
Priority to DE1684914A priority patent/DE1684914C3/de
Priority to CH1054066A priority patent/CH455237A/fr
Priority to GB35221/66A priority patent/GB1110670A/en
Priority to ES0331181A priority patent/ES331181A1/es
Application granted granted Critical
Publication of US3351029A publication Critical patent/US3351029A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H3/00—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons
    • E04H3/10—Buildings or groups of buildings for public or similar purposes; Institutions, e.g. infirmaries or prisons for meetings, entertainments, or sports
    • E04H3/22—Theatres; Concert halls; Studios for broadcasting, cinematography, television or similar purposes
    • E04H3/24—Constructional features of stages
    • E04H3/28—Shiftable or portable platforms
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B3/00—Folding or stowable tables
    • A47B3/08—Folding or stowable tables with legs pivoted to top or underframe
    • A47B3/083—Folding or stowable tables with legs pivoted to top or underframe with foldable top leaves
    • A47B3/087—Folding or stowable tables with legs pivoted to top or underframe with foldable top leaves with struts supporting the legs
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63J—DEVICES FOR THEATRES, CIRCUSES, OR THE LIKE; CONJURING APPLIANCES OR THE LIKE
    • A63J1/00—Stage arrangements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
    • E04B1/344—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G1/00—Scaffolds primarily resting on the ground
    • E04G1/34—Scaffold constructions able to be folded in prismatic or flat parts or able to be turned down

Definitions

  • Linkage between the inner end portions of the top elements and the supporting structure mount the top elements in such manner that the inner ends are disposed in substantially abutting or contiguous relationship when horizontally disposed.
  • Generally verticaly movable wheels, mounted on the supporting structure, are connected to the top elements by links cooperating with said linkage to raise and lower the wheels responsve to movements of the top elements between their horizontal and generally vertical positions.
  • the primaryobject of this invention is the provision of a folding stage including a pair of flat top elements which are movable between horizontally disposed operative positions and upwardly folded generally parallel storage positions, "and in which, in their operative positions, have their adjacent inner ends disposed in substantially abutting or contiguous relationship at a common level, wherebyto eliminate any upwardly projecting elements over which the occupant of the stage may trip or stumble, and to elminate a bridging member between the top sections as disclosed in the Wilson patent, above-identified.
  • This invention further contemplates a wheel-equipped member mounted on the supporting structure for generally vertical movements, rigid links cooperating with the linkage mounting the top elements for raising and lowering the wheel-carrying members responsive to movements of the top elements between their operative and storage positions, supporting legs at the outer end portions of the top elements, and control arms connected to the legs and to said supporting structure for moving the legs between operative supporting positions ggenerally normal to the top elements and folding positions generally parallel to the top elements responsive to said rnovement of the top elements.
  • FIG. 1 is a view in side elevation of a folding or portable stage produced in accordance with this invention
  • FIG. 2 is a fragmentary view corresponding to a portion of FIG. 1, some parts being broken away and some parts being shown in section;
  • FIG. 3 is a view in side elevation of the stage of FIG.
  • FIG. 4 is a view in end elevation of the stage in a folded condition
  • FIG. 5 is an enlarged fragmentary view partly in end elevation and partly in section, taken on the line 5-5 of FIG. 1;
  • FIG. 6 is an enlarged view corresponding to a portion of FIG. 2, some parts being broken away and some parts being shown in section;
  • FIG. 7 is a fragmentary view in side elevation showing a modified arrangement
  • FIG. 8 is a fragmentary transverse section taken substantially on the line 8-8 of FIG. 7.
  • a foldable and] portable stage is shown as involving a pair of cooperating flat top elements or sections 1 and 2 that are preferably rectangular and which may be made from any suitable material, such as plywood, wood planks, particle board or the like.
  • the top elements 1 and 2 are bolted or otherwise regidly secured to generally rectangular frames 3 and 4 respectively, the frames 3 and 4 preferably being made from structural angle iron or the like, and each comprising laterally spaced side frame rails 5 at opposite longitudinal edge portions of the top elements 1 and 2, cross rails 6 and 7, and an intermediate longitudinal rail 8.
  • the several rails 58 are welded or otherwise rigidly secured together to provide a rigid frame structure, the cross rails 6 being disposed along the outer edge portions of their respective top elements 1 and 2, the cross rails 7 being disposed in spaced relation to the inner ends of their respective top elements 1 and 2.
  • the top elements 1 and 2 are supported at their adjacent inner end portions by a supporting structure indicated generally by the reference numeral 9.
  • the supporting structure 9 comprises a pair of laterally spaced vertically disposed legs 10 which normally underlie the inner end portion of the top element 1, and a like pair of vertically disposed legs 11 which normally underlie the inner end portion of the top. element 2.
  • Each leg 10 is rigidly connected to an opposite leg 11 by upper and lower cross member 12 and 13 respectively and connected to the legs 10 and 11 by welding or the like.
  • the legs 10 and 11 are rigidly held in spaced apart relationship transversely of the stage by diagonally disposed brace members 14 bolted or riveted at their opposite ends to the legs 10 and 11, see particularly, FIGS. 1, 3 and 4.
  • the outer ends of the top elements 1 and 2 are supported from the ground or floor by respective leg structures each comprising a pair of laterally spaced legs 15 and 16 respectively.
  • the legs 15 are pivotally secured at their upper ends, as indicated at 17, to brackets or the like 18 welded or otherwise rigidly secured to the end rail 6 at the outer end of the top section 1, on aligned horizontal axes extending transversely of the top element 1.
  • the legs 16 are pivotally secured, as indicated at 17, to brackets 18 secured to the end rail 6 of the top element 2, the legs 15 and 16 being movable between operative position generally normal to their respective top elements 1 and 2, as shown in FIG. 1, and inoperative folded positions generally parallel to their respective top elements 1 and 2 as shown in FIG. 3.
  • the legs 15 and 16, as well as the legs 10 and 11, are provided with floor engaging cushions or feet 19.
  • the upper ends of the legs 10 and 11 engage the bottom surfaces of the top elements 1 and 2 respectively to aid in supporting their respective top elements 1 and 2 in their generally horizontally disposed operative positions.
  • the supporting structure 9 further includes two pairs of rigid primary links 20 and two pairs of generally L-shaped secondary links 21, a pair of each thereof underlying the inner end portion of a different one of the top elements 1 and 2.
  • the primary and secondary links are pivotally secured to bifurcated brackets 22 by means of pivot bolts or the like 23 and 24 respectively, the brackets 22 being welded or otherwise rigidly secured to respective ones of the cross rails 7 and extending toward the inner ends 1a and 2a of their respective top elements 1 and 2.
  • the pivot bolts 23 and 24 are disposed on parallel horizontal axes which extend in directions parallel to the inner ends 1a and 2a of their respective top elements 1 and 2.
  • the lower ends of the primary and secondary links 20 and 21 are pivotally connected to adjacent cross members 12 by means of respective pivot bolts 25 and 26 disposed on axes parallel to the axes of the pivot bolts 23 and 24.
  • the secondary links 21 are disposed within their respective bifurcated brackets 22 and between adjacent ones of the cross members 12, the primary links 20 being disposed laterally outwardly of adjacent ones of the brackets 22 and the adjacent pair of the cross members 12. It will be further noted, particularly with reference to FIG.
  • top elements 1 and 2 permit the top element to be swung or pivotally moved between their generally horizontal operative positions shown in FIG. 1 and by full lines in FIGS. 2 and 6, and inoperative folded positions shown in FIGS. 3 and 4.
  • their respective primary and secondary links 20 and 21 swing in paths wherein the axes of their respective pivot bolts 23 and 24 travel in arcs shown by broken lines 27 and 28 respectively.
  • Each top element 1 and 2 pivots on the axis of its respective pivot bolts 23, this axis being moved along the path of the are 27 by the action of its respective secondary link 21.
  • top element 1 or 2 During initial swinging movements of either top element 1 or 2 from its horizontal position, the axis of its pivot bolts 23 is moved almost directly away from the other top element or in a direction toward the outer end of its respective top element.
  • the top corner edge of the inner end 1a or 2a moves directly away from the adjacent inner edge of the opposite top element and, as the top element is swung upwardly toward its inoperative folded position, the inner end 1a or 2a thereof travels in a generally S-shaped path, indicated by a broken line 29 in FIG. 6.
  • the inner ends 1a and 2a thereof retrace the paths indicated by the broken lines 29.
  • I provide pairs of rigid control arms 30' and 31.
  • the control arms 30 are pivotally connected at their inner ends each to a different one of the legs 10, as indicated at 32, and at their outer ends to a respective one of the legs 15, as indicated at 33, the pivot axes of the pivotal connections 32 and 33 being parallel to the pivotal connections of the various primary and secondary links 20 and 21 respectively.
  • the control arms 31 are pivotally connected at their inner ends each to a different one of the legs 11, as indicated at 34, and at their outer ends each to an adjacent one of the legs 16, as indicated at 35.
  • transverse members 36 and 37 each having a pair of vertically disposed tubular elements 38 at its opposite ends, the tubular elements 38 of the transverse member 36 slidably encompassing the legs 10 and the tubular elements 38 of the transverse member 37 slidably encompassing the legs 11, both of the transverse members 36 and 37 being disposed below the cross members 13 of the supporting structure 9.
  • Each of the transverse members 36 and 37 is provided with a pair of spaced caster wheels or the like 39 intermediate the tubular elements 38, see FIGS. 1, 3 and 4.
  • Each of the top elements 1 and 2 is provided with a pair of laterally spaced bifurcated brackets 40 and 41 that are welded or otherwise rigidly secured to the inner cross rails 7 of their respective top elements 1 and 2.
  • a pair of rigid support links 42 are pivotally connected at their upper ends to the brackets 40 and at their lower ends to spaced portions of the transverse member 36, as indicated at 43 and 44 respectively; and a like pair of support links 45 are pivotally secured at their upper ends to the brackets 41 and at their lower ends to the transverse member 37, as indicated at 46 and 47 respectively, the axes of the pivotal connections 43, 44, 46 and 47 being parallel to the axes of the various pivotal connections of the primary and secondary links 20 and 21.
  • each top element 1 or 2 is raised from its operative position of FIGS. 1 and 2 toward its folded inoperative position of FIG. 3, the brackets 40 and 41 swing downwardly about the axes of the primary link pivot connections 23 to impart downward movement to the support links 42 and 45 and their respective transverse members 36 and 37 until the caster wheels 39 engage the floor or ground. Further upward swinging movements of the top sections or elements 1 and 2 imparts a lifting movement to the primary links 20 to raise the legs 10 and 11 out of engagement with the floor or ground, as shown in FIG. 3, whereby the folded table or stage may be easily moved to another location for further use or storage.
  • the top element 2 is provided at its outer end with a hook 48 that is pivotally secured to the cross rail 6 thereof, whereby the same may be hooked over the adjacent outer ends of the top elements 1 and 2 in their folded positions to prevent accidental unfolding of the top elements 1 and 2.
  • a supporting structure is shown as comprising a pair of laterally spaced support brackets 49 and 50 that are adapted to be bolted or otherwise rigidly secured to a building wall or the like, indicated at 51.
  • Each bracket 49 and 50 is provided with an upstanding leg portion 52 that is adapted to engage the lower surface of a top element 53 substantially identical to the top element 2.
  • the inner end 53a of the top element 53 is adapted to substantially abut the adjacent surface of the wall 51, the outer end of the top element 53 being sup ported by outer legs 54, one of which is shown, the legs 54 being substantially identical to the legs 16.
  • the legs 54 are pivotally connected at their upper ends to the outer end portion of the top element 53, swinging movement thereof being controlled by a pair of rigid control arms 55 secured at their opposite ends to the brackets 49 and legs 54, as indicated at 56 and 57 respectively.
  • the top element 53 is provided at its inner end portion with primary and secondary links 58 and 59 that are identical to the links 20 and 29 respectively, and which operate in the same manner as the links 20 and 21 to mount the inner end of the top element 53 for swinging movements between its operative horizontal position, shown in FIG. 7, and a generally vertical disposed folded position, not shown, but in closely spaced generally parallel relation to the surface of the wall 51.
  • the inner end 53a partakes of movements substantially identical to those indicated by the broken lines 29 in FIG. 6.
  • the inner end 53 thereof is sufficiently close to the surface of the wall 51 to prevent heels, chair legs or other objects from being caught between the inner end 53a and the wall 51.
  • a folding stage comprising:
  • a top including a pair of normally horizontally disposed flat top elements having substantially abutting inner ends and having a pair of reinforcing frames one each underlying a different one of said top elements and secured thereto,
  • a supporting structure including a pair of spaced inner leg structures each underlying a different one of said top elements adjacent their inner ends in the horizontal positions of said top elements and each having lower ground-engaging ends, and a generally horizontal cross member connecting said leg structure,
  • said primary and secondary links and the pivotal connections thereof to the top element frames and said cross member being so arranged that, during upward swinging movement of either top element away from said operative position thereof the respective secondary link imparts movement to its top element to move its cooperating primary pivot means initially in a direction toward the outer end of said top element, whereby the inner end of its respective top element at the top thereof moves away from the inner end of the other top element in an outward and downward generally S- shaped path.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Steps, Ramps, And Handrails (AREA)
  • Tables And Desks Characterized By Structural Shape (AREA)
  • Binders And Loading Units For Sheaves (AREA)
  • Handcart (AREA)
  • Forklifts And Lifting Vehicles (AREA)
US509138A 1965-11-22 1965-11-22 Folding stage construction Expired - Lifetime US3351029A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US509138A US3351029A (en) 1965-11-22 1965-11-22 Folding stage construction
IL25910A IL25910A (en) 1965-11-22 1966-06-03 Folding stage construction
DE1684914A DE1684914C3 (de) 1965-11-22 1966-06-07 Bühnenartige Vorrichtung mit an einem Traggestell befestigten Plattformelementen
CH1054066A CH455237A (fr) 1965-11-22 1966-07-20 Plate-forme pliante
GB35221/66A GB1110670A (en) 1965-11-22 1966-08-05 Folding stage,platform or table
ES0331181A ES331181A1 (es) 1965-11-22 1966-09-14 Un dispositivo de tablado o plataforma plegable.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US509138A US3351029A (en) 1965-11-22 1965-11-22 Folding stage construction

Publications (1)

Publication Number Publication Date
US3351029A true US3351029A (en) 1967-11-07

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ID=24025440

Family Applications (1)

Application Number Title Priority Date Filing Date
US509138A Expired - Lifetime US3351029A (en) 1965-11-22 1965-11-22 Folding stage construction

Country Status (6)

Country Link
US (1) US3351029A (fi)
CH (1) CH455237A (fi)
DE (1) DE1684914C3 (fi)
ES (1) ES331181A1 (fi)
GB (1) GB1110670A (fi)
IL (1) IL25910A (fi)

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3777674A (en) * 1971-05-17 1973-12-11 Entryown Patents Ltd Foldable articles
US3823938A (en) * 1973-01-12 1974-07-16 Y Unno Ping-pong table with swing top board
US3999491A (en) * 1975-12-05 1976-12-28 Wilson Kermit H Elevationally adjustable folding stage
DE2835395A1 (de) * 1978-08-12 1980-02-21 Eduard Haider Vorrichtung zum schwenken der plattenhaelften von tischtennis-platten
DE2927365A1 (de) * 1979-02-01 1980-08-07 Sico Inc Fahrbares klappgestell
US4327650A (en) * 1979-02-01 1982-05-04 Sico Incorporated Support structure for mobile folding stage
EP0064365A2 (en) * 1981-04-24 1982-11-10 FITZGERALD, Patrick William Foldable tables and the like
EP0301241A1 (en) * 1987-07-31 1989-02-01 Stageright Corporation Fold and roll staging
US4932333A (en) * 1989-07-14 1990-06-12 Sico Incorporated Stabilizing wheels for folding table
US4949649A (en) * 1989-04-28 1990-08-21 Sico Incorporated Folding stages
US5080024A (en) * 1990-03-30 1992-01-14 Eiji Yamamoto Foldable workbench
US5325640A (en) * 1991-08-09 1994-07-05 Sico Incorporated Folding stage system
US5392718A (en) * 1992-11-04 1995-02-28 King Arthur Co., Div. Of Shelby Williams Industries, Inc. Wheel lifting assembly for mobile folding stage unit
US5613450A (en) * 1994-11-10 1997-03-25 Sico Incorporated Mobile folding stage
US5615451A (en) * 1994-01-10 1997-04-01 Sico Incorporated Roller assembly lift mechanism
US5660121A (en) * 1995-02-24 1997-08-26 Sico Incorporated Folding framework and support legs
US6014936A (en) * 1997-07-30 2000-01-18 Stageright Corporation Variable height fold and roll staging and method of assembling same
US6024026A (en) * 1997-06-20 2000-02-15 Sico Incorporated Tri-height folding stage
US6070367A (en) * 1997-08-01 2000-06-06 Sico Incorporated Folding stage
US6164017A (en) * 1999-01-06 2000-12-26 Sico Incorporated Adjustable linkage
WO2003034865A1 (de) * 2001-10-23 2003-05-01 Steelcase Werndl Ag Klapptisch
US20050011135A1 (en) * 2003-07-18 2005-01-20 Stageright Corporation Variable height fold and roll staging and method of assembling same
US20090194959A1 (en) * 2008-02-01 2009-08-06 Mintie Technologies, Inc. Mobile platform methods and system
US20100116176A1 (en) * 2008-11-11 2010-05-13 Andrej Witkowski Foldable table
US20160010350A1 (en) * 2013-03-01 2016-01-14 Stageline Scène Mobile Inc. Articulated floor structure for a mobile stage framework
WO2019208129A1 (ja) 2018-04-27 2019-10-31 三菱瓦斯化学株式会社 熱硬化性組成物、プリプレグ、金属箔張積層板、樹脂シート及びプリント配線板

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4054096A (en) * 1976-04-06 1977-10-18 Sico Incorporated Mobile elevationally adjustable stage
SE406443B (sv) * 1977-08-12 1979-02-12 Kilenstam Bjorn Transportvagn
GB8617690D0 (en) * 1986-07-19 1986-08-28 Roberts J Collapsible seat assembly
DE9002661U1 (de) * 1990-03-07 1990-05-10 Ati Lesti GmbH, 8901 Rehling Mobile Bühne
FR2708021B1 (fr) * 1993-07-02 1995-09-08 Siegel Ets Echafaudage pliant.
JP2529662B2 (ja) * 1993-11-16 1996-08-28 ジャパン スチールス インターナショナル株式会社 折り畳み式建築作業足場台
DE102004004238B4 (de) * 2004-01-27 2007-01-11 Schärf Büromöbel GmbH Klapptisch, Verwendung eines Klapptisches in Klappstellung, Stehtisch
US8534427B2 (en) 2006-05-15 2013-09-17 Aichi Co., Ltd. Movable desk
CN106801522B (zh) * 2016-08-04 2018-11-20 浙江大丰实业股份有限公司 危险物剧场安保平台
FR3058324B1 (fr) * 2016-11-09 2020-10-16 Cornilleau Sas Table de jeu pourvue de roulettes et de pieds retractables

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1628763A (en) * 1924-09-15 1927-05-17 Simmons Co Wall bed
US2978754A (en) * 1959-11-16 1961-04-11 Sico Mfg Co Portable stage
US3049387A (en) * 1960-03-03 1962-08-14 Schlegel Fred Foldable table

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1628763A (en) * 1924-09-15 1927-05-17 Simmons Co Wall bed
US2978754A (en) * 1959-11-16 1961-04-11 Sico Mfg Co Portable stage
US3049387A (en) * 1960-03-03 1962-08-14 Schlegel Fred Foldable table

Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3777674A (en) * 1971-05-17 1973-12-11 Entryown Patents Ltd Foldable articles
US3823938A (en) * 1973-01-12 1974-07-16 Y Unno Ping-pong table with swing top board
US3999491A (en) * 1975-12-05 1976-12-28 Wilson Kermit H Elevationally adjustable folding stage
US4074636A (en) * 1975-12-05 1978-02-21 Wilson Kermit H Elevationally adjustable folding stage
DE2835395A1 (de) * 1978-08-12 1980-02-21 Eduard Haider Vorrichtung zum schwenken der plattenhaelften von tischtennis-platten
DE2927365A1 (de) * 1979-02-01 1980-08-07 Sico Inc Fahrbares klappgestell
FR2448017A1 (fr) * 1979-02-01 1980-08-29 Sico Inc Structure portante pour estrade repliable mobile
US4327650A (en) * 1979-02-01 1982-05-04 Sico Incorporated Support structure for mobile folding stage
US4489661A (en) * 1981-04-12 1984-12-25 Fitzgerald Patrick W Foldable tables and the like
EP0064365A3 (en) * 1981-04-24 1983-04-06 Patrick William Fitzgerald Foldable tables and the like
EP0064365A2 (en) * 1981-04-24 1982-11-10 FITZGERALD, Patrick William Foldable tables and the like
EP0301241A1 (en) * 1987-07-31 1989-02-01 Stageright Corporation Fold and roll staging
US4949649A (en) * 1989-04-28 1990-08-21 Sico Incorporated Folding stages
US4932333A (en) * 1989-07-14 1990-06-12 Sico Incorporated Stabilizing wheels for folding table
US5080024A (en) * 1990-03-30 1992-01-14 Eiji Yamamoto Foldable workbench
US5701703A (en) * 1991-08-09 1997-12-30 Sico Incorporated Panel connector apparatus
US5325640A (en) * 1991-08-09 1994-07-05 Sico Incorporated Folding stage system
US5349789A (en) * 1991-08-09 1994-09-27 Sico Incorporated Multi-level folding stage
US5392718A (en) * 1992-11-04 1995-02-28 King Arthur Co., Div. Of Shelby Williams Industries, Inc. Wheel lifting assembly for mobile folding stage unit
US5615451A (en) * 1994-01-10 1997-04-01 Sico Incorporated Roller assembly lift mechanism
US5613450A (en) * 1994-11-10 1997-03-25 Sico Incorporated Mobile folding stage
US5660121A (en) * 1995-02-24 1997-08-26 Sico Incorporated Folding framework and support legs
US6024026A (en) * 1997-06-20 2000-02-15 Sico Incorporated Tri-height folding stage
US6014936A (en) * 1997-07-30 2000-01-18 Stageright Corporation Variable height fold and roll staging and method of assembling same
US6070367A (en) * 1997-08-01 2000-06-06 Sico Incorporated Folding stage
US6164017A (en) * 1999-01-06 2000-12-26 Sico Incorporated Adjustable linkage
WO2003034865A1 (de) * 2001-10-23 2003-05-01 Steelcase Werndl Ag Klapptisch
US20050011135A1 (en) * 2003-07-18 2005-01-20 Stageright Corporation Variable height fold and roll staging and method of assembling same
US7584575B2 (en) * 2003-07-18 2009-09-08 Stageright Corporation Variable height fold and roll staging and method of assembling same
US20090194959A1 (en) * 2008-02-01 2009-08-06 Mintie Technologies, Inc. Mobile platform methods and system
US20100116176A1 (en) * 2008-11-11 2010-05-13 Andrej Witkowski Foldable table
US8196529B2 (en) * 2008-11-11 2012-06-12 Andrej Witkowski Foldable table
US20160010350A1 (en) * 2013-03-01 2016-01-14 Stageline Scène Mobile Inc. Articulated floor structure for a mobile stage framework
US9394708B2 (en) * 2013-03-01 2016-07-19 Stageline Scene Mobile Inc. Articulated floor structure for a mobile stage framework
US9512629B2 (en) 2013-03-01 2016-12-06 Stageline Scene Mobile Inc. Mobile stage framework and method of handling
WO2019208129A1 (ja) 2018-04-27 2019-10-31 三菱瓦斯化学株式会社 熱硬化性組成物、プリプレグ、金属箔張積層板、樹脂シート及びプリント配線板

Also Published As

Publication number Publication date
GB1110670A (en) 1968-04-24
ES331181A1 (es) 1967-07-01
IL25910A (en) 1970-07-19
DE1684914B2 (fi) 1975-04-03
CH455237A (fr) 1968-06-28
DE1684914A1 (de) 1971-08-19
DE1684914C3 (de) 1976-01-02

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