Adjustable Frame Size Patents (Class 160/372)
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Patent number: 11408224Abstract: A garage door apparatus includes a screen that includes a flexible, perforated material. The garage door apparatus includes a first attachment arm attached to a first portion of a second side of the screen. The garage door apparatus includes a second attachment arm attached to a second portion of the second side of the screen. The garage door apparatus includes a third attachment arm attached to a first portion of a fourth side of the screen. The garage door apparatus includes a fourth attachment arm attached to a second portion of the fourth side of the screen. The garage door apparatus includes an attachment bar attached to the third side of the screen. The screen is movable between a retracted position and an extended position.Type: GrantFiled: December 31, 2020Date of Patent: August 9, 2022Inventor: Pete De La Porte
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Patent number: 10538958Abstract: A safety gate for preventing pets and small children from passing through an opening, the safety gate comprising: a collapsible frame for selective disposition in the opening, the collapsible frame comprising: a resizable base having a first end and a second end, the resizable base being configured so that the distance between the first end and the second end is adjustable; and first and second arms adjustably secured to the first and second ends of the resizable base, respectively, so as to be re-configurable between (i) a collapsed configuration wherein the first and second arms extend substantially parallel to one another and substantially parallel to the resizable base, and (ii) an expanded configuration wherein the first and second arms extend upright from the resizable base so that the collapsible frame comprises a substantially U-shaped configuration defining a space between the resizable base and the first and second arms; and a flexible barrier for adjustable mounting to the collapsible frame so as tType: GrantFiled: March 8, 2017Date of Patent: January 21, 2020Inventor: Kyle R. Losik
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Patent number: 9366072Abstract: A buildable, collapsible and lightweight screen comprising a frame constructed with at least two longitudinal profiles, at least two transverse profiles, having hollow extruded profiles and which include at least one inner groove which runs along one side, in a longitudinal direction. Each of said profiles, one or more panels of sheet material are confined within said frame along said inside groove, and connectors that align and fasten the longitudinal and transverse profiles by fasteners and connectors which act as intermediaries to avoid direct contact between these profiles. A method of assembling an adjustable frame assembly is also disclosed.Type: GrantFiled: February 23, 2015Date of Patent: June 14, 2016Inventor: Jose Humberto Orozco Aguayo
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Patent number: 8881789Abstract: A roller assembly for a motor vehicle having a winding shaft, a flexible fabric sheet which when in a stowed condition is wound onto the winding shaft and which can be unwound from the winding shaft in a longitudinal direction in order to reach a functioning position and which has sliding elements on its side edges, two guide rails extending in the longitudinal direction to guide the sliding elements, and a frame, whereby the guide rails are fastened on the frame so that they can be permanently fixed with a desired spacing. A rigid guide tube for a drive chain guided within the guide tube runs from the frame to the guide rail or to a feed-in piece mounted thereon, and a first fixing device is provided to fix the guide tube in a fixed location with respect to the frame in variable positions in the transverse direction.Type: GrantFiled: April 4, 2012Date of Patent: November 11, 2014Assignee: Bos GmbH & Co. KGInventors: Gwenole Zeo, Guenther Renz
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Patent number: 8833843Abstract: A sunroof unit for a motor vehicle having a vehicle window arranged in the vehicle roof area and having at least one roller blind system below the vehicle window for partially covering the vehicle window, wherein the roller blind system has two guide rails aligned in the vehicle longitudinal direction and a flexible planar structure guided in lateral areas by the guide rails. The guide rails are fixed with regard to their distance from one another in a front end area and/or in a rear end area only indirectly by the vehicle window. The guide rails are each fastened using a fixing device to the vehicle window, and at least one fixing device is designed as a variable fixing device to permit a positive fixing of the respective guide rail relative to the vehicle window in one of several discrete relative positions with respect to a vehicle transverse direction.Type: GrantFiled: August 16, 2012Date of Patent: September 16, 2014Assignee: BOS GmbH & Co. KGInventors: Wolfgang Stark, Guenther Renz, Gwenole Zeo, Sascha Kircher
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Patent number: 8453361Abstract: A quilt fabrication and display device and kit of parts for producing the display device. The device includes upper and lower stretcher rails separated from one another by use of a pair of rail support members, the upper stretcher rails and lower stretcher rails being substantially parallel to one another and the rail support members being substantially parallel to one another and substantially orthogonal to the upper and lower stretcher rails. The upper and lower stretcher rails and the rail support members are of two subparts and the kit includes fasteners for selectively connecting the subparts for assembly and disassembly of the device. A set of four butterfly wing extenders are provided each extender selectively attachable to the upper stretcher rails and lower stretcher rails such that when assembled, two of the butterfly wing extenders extend above the upper stretcher rails and two of the butterfly wing extenders extend below the lower stretcher rails.Type: GrantFiled: July 13, 2011Date of Patent: June 4, 2013Inventor: Roberto Garcia
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Publication number: 20130008620Abstract: Adjustable enclosure and method for enclosing a work space having a surface therein to be worked upon, the surface bearing a lead based paint. According to an exemplary embodiment, the adjustable enclosure comprises a plurality of height-adjustable uprights capable of accommodating ceilings of various heights and also capable of being disposed in spaced-apart relationship about various sizes of the work space. Each height-adjustable upright includes a clasp for reliably securing a portion of a plastic containment sheet adapted to contain lead-based paint dust and chips within the work space. Extent-adjustable horizontal connectors are capable of arranging the adjustable enclosure in a desired configuration about the work space. The adjustable enclosure is quickly and easily adaptable to building structures and work spaces of various sizes in order to contain lead-based paint dust and chips generated during renovation, repair and painting operations.Type: ApplicationFiled: July 7, 2011Publication date: January 10, 2013Inventor: Michael Cusick
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Publication number: 20120211182Abstract: A safety gate has a frame with spaced apart top and bottom assemblies and spaced apart side assemblies in a deployed configuration. The top and bottom assembly length is extendable and retractable between the opposed side assemblies. A flexible barrier is connected to the frame. A one-way jack mechanism can be carried on each of the top and bottom assemblies. The length of the assemblies can be extended without actuating the jack mechanisms to adjust the frame to nearly fit a space between two surfaces. The jack mechanisms, when actuated, incrementally further extend the top and bottom assemblies so the frame interferingly fits between the two surfaces under compression. The frame can be reconfigurable between a compact configuration and the deployed configuration. The side assemblies can include latches that lock the frame in the deployed configuration.Type: ApplicationFiled: February 21, 2012Publication date: August 23, 2012Inventors: Greg Pilgrim, Keith Alsberg, Mikael Bäckström
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Publication number: 20120186760Abstract: A quick operational vehicle shading device comprises a net-like supporting structure that is structured by a group of tubular elements and connectors; the tubular elements connected to each other by a group of spring-connections, and an awning supported by the net-like supporting structure. These spring-connections make this supporting structure collapsible and could be back to shape quickly, and the tension from the spring-connections support the net-like supporting structure to stretch out the awning. The quick operational vehicle shading device covers the entire top part of vehicle, to protect vehicle from sun exposure.Type: ApplicationFiled: January 21, 2011Publication date: July 26, 2012Inventor: Pengchong Li
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Patent number: 8215370Abstract: Devices and methods for temporarily replacing a window are disclosed herein. An exemplary temporary window replacement apparatus includes a plurality of angled frame members, a plurality of elongated frame members, and a plastic film. Typically, at least one of the angled frame members can change angles within a given plane. Additionally, at least one of the elongated frame members typically can adjusted lengthwise along a longitudinal axis to connect with the ends of two angled frame members. The end of each angled frame member typically can be connected and removed from the end of each elongated frame member. Moreover, some of the frame members have attached stability flange to aid in securing the temporary window apparatus to an automobile window frame. Methods of temporarily replacing a window include constructing a temporary window frame with a heat-shrinkable plastic film and then applying heat thereto.Type: GrantFiled: March 9, 2010Date of Patent: July 10, 2012Inventor: Chris Erdahl
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Publication number: 20110203752Abstract: To provide a screen device wherein a first housing section 15 and a second housing section 16 configured to contain two slide guide frames 9 individually are disposed in the interior of the screen mounting frames 2, 3, the first housing section and the second housing section are arranged at different positions in the interior of the screen mounting frames, the two slide guide frames are connected to each other at respective free ends contained in the same screen mounting frames by tension members 21 each forming a loop 20 having no crossing point, whereby the less limitation to application of the size of the portion where the screen device is mounted such as an opening of a building is achieved.Type: ApplicationFiled: June 5, 2009Publication date: August 25, 2011Inventor: Yasubumi Okachi
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Publication number: 20110030752Abstract: An easy to use, universal, simple, lightweight, compact, portable, dynamically configurable and modular system of concealment and shelter. An operator configures a number of concealment blinds or shelters using brackets, supports, segmented shafts, covers, curtains, and skirts, and more complex modules. The segmented shafts have both the ability to make an attachment to retain a particular configuration while being able to break down the shafts for transportation or storage. The brackets and supports are used to secure a configuration to a tree, the ground, or a hand held device. Advanced modules include user adjustable domes and cylindrical arches. The system can be configured for placement on a hillside or over rough terrain and obstacles. Multiple modules can be carried by separate members of a group and combined together to form a more complex structure to meet the needs of the group. The system provides a novel star window with independently opening sections.Type: ApplicationFiled: August 3, 2010Publication date: February 10, 2011Inventors: John Livacich, Kendyl A. Roman
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Patent number: 7874090Abstract: At least two upright subassemblies, each with a base, radial positioning members; an outer tubular member, an inner tubular member slidably received in the outer tubular member; a plunger for selective engagement with aperture(s) in the outer tubular member, upper and lower horizontal bars secured to the radial positioning members, and a flexible display secured to each set of upper and lower horizontal bars, the radial positioning members for selective positioning between selected convex, concave, in-line and right angle positions.Type: GrantFiled: May 11, 2010Date of Patent: January 25, 2011Inventor: Rodger H. Flagg
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Publication number: 20100288455Abstract: An improved window screen configured to allow a person to easily and quickly remove the window screen from a window frame without damaging the window screen, window frame or window. The improved window screen has a screen frame comprising a first C-shaped section and a second C-shaped section that are configured to slidably engage each other to move the screen frame between an extended position in the window frame and a retracted position for removing or installing the window screen in the window frame. The screen frame also comprises a securing mechanism, which in the preferred embodiment is a ball detent device, that secures the screen frame in its extended position and which is disengaged to move the screen frame to its retracted position. The window screen of the present invention eliminates the need to bend, flex or twist the window screen to remove it from the window frame.Type: ApplicationFiled: May 15, 2009Publication date: November 18, 2010Inventor: Tanya Liscano
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Patent number: 7832455Abstract: A vehicle window security screen system for providing interior ventilation of a vehicle while maintaining the security of the vehicle. The vehicle window security screen system generally includes a first frame having a first mesh and a second frame having a second mesh adjustably connected to one another. The first frame and the second frame form the shape of a window opening in a vehicle to secure the interior contents of a vehicle while simultaneously providing adequate ventilation.Type: GrantFiled: November 15, 2007Date of Patent: November 16, 2010Inventors: Lorne G. Johnston, Mona A. Bareham
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Publication number: 20100206496Abstract: A stretcher comprises frame sections. The frame sections comprise two extruded profiles (B, D) whereby the outer profile is made of a softer material than the inner profile. The inner, hard profile (D) gives firmness to the stretcher, while the softer profile (B) provides flexibility. The softer profile is fitted with a flexible wall that can hinge around a hinge line. This makes it possible to accommodate variations in canvas tension, while at the same time ensuring a strong stretcher. The frame sections are fitted with adjustment mechanisms-(F, L).Type: ApplicationFiled: October 15, 2008Publication date: August 19, 2010Inventor: Johannes Hendrikus Ninaber
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Patent number: 7740048Abstract: A multi-sided frame assembly for screening has a fastening strip with male and female pads. The male pad has a first face from which spaced stems project in an ordered arrangement. The female pad has a second face formed with at least one receptacle extending into a thickness of the female pad. Each stem is located and sized for insertion into the receptacle. A woven, knit or knotted material of open texture having holes, preferable evenly spaced, such as those of a screen, is secured between the pads of the multi-sided frame by passing the stems through the mesh and into the receptacle. A cover can be removably engaged and selectively fastened to the assembled fastening strip. The cover envelops the pads, including fasteners, if any, used to fasten the male and female pads together or used to attach the multi-sided frame assembly to a supporting structure to hold the assembled frame in place.Type: GrantFiled: June 6, 2007Date of Patent: June 22, 2010Inventor: Eric P. Wilson
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Publication number: 20100032109Abstract: A shrinkable and extensible screen is mounted between a pair of screen-mounting frame portions arranged bilaterally to confront each other and at least one being slidably movable. A tension member extending through the screen for supporting it in shrinking and extending directions is routed in the screen-mounting frame portions. The tension member is extracted at the portion close to the central portion from the upper end portion of the slidably movable screen-mounting frame portions, to the outside on the side opposite to the screen mounting side.Type: ApplicationFiled: May 18, 2009Publication date: February 11, 2010Inventor: Yasubumi OKACHI
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Patent number: 7654045Abstract: A weather barrier is provided for a frangible element such as a window having an outer perimeter, the frame including a plurality of struts defining a converging end and a diverging end of the frame, the diverging end having a given periphery, a plurality of brackets disposed about the outer perimeter of the frangible element, the diverging end of the frame engageable with the brackets to space the converging end spaced from the window, the given periphery of the diverging end corresponding to the outer perimeter of the window, and a flexible material encapsulating the frame to define an enclosed volume.Type: GrantFiled: March 22, 2008Date of Patent: February 2, 2010Assignee: StormBlok Systems, Inc.Inventor: J. Parr Wiegel
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Publication number: 20090236058Abstract: A weather barrier is provided for a frangible element such as a window having an outer perimeter, the frame including a plurality of struts defining a converging end and a diverging end of the frame, the diverging end having a given periphery, a plurality of brackets disposed about the outer perimeter of the frangible element, the diverging end of the frame engageable with the brackets to space the converging end spaced from the window, the given periphery of the diverging end corresponding to the outer perimeter of the window, and a flexible material encapsulating the frame to define an enclosed volume.Type: ApplicationFiled: March 22, 2008Publication date: September 24, 2009Inventor: J. Parr Wiegel
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Publication number: 20090020242Abstract: A device (1) for separating regions of a space, with at least one ceiling rail (3) for pressing on the ceiling (4) of the space, with at least one wall rail for making contact with the wall (7) of the space and with at least one floor rail (8) for resting on the floor (9) of the space. In order to prevent passage of dust through the separated region of the space, there is least one diagonal brace (36) for detachable mounting on the wall rail (5) and the floor rail (8) outside of the corner region (37) between the wall rail (5) and the floor rail (8) and for applying pressure to the middle region (38) of the wall rail (5) and that the diagonal brace (36) has a length which is greater than half the length of the wall rail (5).Type: ApplicationFiled: March 1, 2006Publication date: January 22, 2009Applicant: PROVERUM AGInventor: Moritz Muhlebach
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Patent number: 7150127Abstract: A partition system for office spaces generally includes a framework and a plurality of different types of decorative and/or functional tiles mountable to the framework. The framework includes I- and C-shaped vertical frame members which are adjustably joined by upper and lower horizontal spanners such that the distance between the vertical frame members is adjustable. Also, the framework may include other types of vertical frame members for forming L-, T-, or X-junctions within the partition system framework. A variety of decorative and functional tiles are mountable to the framework, including retractable workspace tiles, several types of storage tiles, display tiles, window tiles, and electrical and data services tiles.Type: GrantFiled: June 3, 2003Date of Patent: December 19, 2006Assignee: Kimball International, Inc.Inventors: Robert A. Underwood, Keith E. Metcalf, Ryan A. Herbig, J. Douglas Mitchell
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Patent number: 6886300Abstract: A panel (10) for protecting a portion of a structure such as a window (11) includes a frame member (13) made up of four channel members (16-19) interconnected by corner members (20). One end of each channel member (16-19) includes an opening to receive an edge of a sheet (33) of flexible material. The sheet (33) is provided with a thickened area (34) near each edge thereof. A fabric locking and stretching member (15) closes the opening in each channel member (16-19) and engages the thickened area (34) of the fabric sheet (33) to stretch the sheet (33) within the frame member (13).Type: GrantFiled: August 22, 2002Date of Patent: May 3, 2005Assignee: Wayne-Dalton Corp.Inventors: Mark Steven Hudoba, Harry Edward Asbury
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Patent number: 6708751Abstract: A flexible screen partition that has a plastic frame with top, bottom, left, and right sides surrounding an open interior space. The plastic frame is preferably rectangular and flexible. A wire mesh segment covers the entire interior space of the plastic frame. The wire mesh segment has top, bottom, left, and right edges that are fused with the respective sides of the plastic frame. The plastic frame has at least one receiving aperture on both its left and right sides. The flexible screen partition also includes at least one extension piece. This extension piece has at least one insertable projection on one of its sides. The insertable projection is insertable into a receiving aperture on the plastic frame. An extension piece is attached to either the right or left side of the plastic frame when the plastic frame is not wide enough to cover the area of its intended use.Type: GrantFiled: June 13, 2002Date of Patent: March 23, 2004Inventor: Mildred Shulman
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Patent number: 6581667Abstract: A removable debris shield and method to internally protect a portion of a vessel, such as a pressure vessel, during fabrication. Pliant material sufficient to span a desired interior portion of the vessel has a hem located around the periphery of the material and having at least one opening. A hoop is removably inserted through the opening into the hem to extend the material across the desired interior portion of the vessel. In one embodiment, a spreader bolt spreads the hoop to force it tightly against the walls of the vessel.Type: GrantFiled: August 13, 2001Date of Patent: June 24, 2003Assignee: Babcock & Wilcox Canada Ltd.Inventor: Thomas Waring
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Patent number: 6474021Abstract: A collapsible barrier includes a collapsible frame and a flexible cover that is attached to the frame. The frame may include tubes connected by couplings and an elastic cord. When in use, the barrier may be used as a gate to prevent small children and animals from entering or exiting a room or other such space. When the tubes and couplings are disconnected, the gate folds so that it may be easily stored or transported.Type: GrantFiled: February 9, 2001Date of Patent: November 5, 2002Inventor: Shelley M. Homeyer
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Patent number: 6056038Abstract: A safety barrier comprising a support, a partition frame hingedly connected to the support, and a retractable membrane attached to one end of the partition frame. The partition frame and the support can be extended across an opening, such as a doorway, to securely position the barrier within the opening. The partition frame includes a first member hingedly connected to the support and a second member slidingly engaged to the first member. The retractable member may be deployed toward an opposite end of the partition frame to close off the opening.Type: GrantFiled: August 21, 1998Date of Patent: May 2, 2000Assignee: Allset, IncorporatedInventors: James D. Foster, Paul E. Brefka
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Patent number: 5704164Abstract: A foldable fence for confining babies includes a plurality of first supporting means, second supporting means, folding means, multiple tubes and supporting rods. The tubes each further have a mid-section with an eccentric member enclosed therein, so that when using the mid-section to extend the length of the tube is completed, turning the tube will make the eccentric member abut a peripheral side wall of the tube and therefore the length of the tube is fixed. The second supporting means provides a clearance for a rivet to move back and forth, so that when the second means abuts against a surface, such as a wall, a resilient member will provide a resilient force to further stabilize the abutting to the wall. The folding means connected between two supporting rods provides a folding mechanism to the foldable fence constructed in accordance with the present invention, such that the foldable fence is folded together to minimize the size when the use of the fence is finished.Type: GrantFiled: May 21, 1996Date of Patent: January 6, 1998Inventor: Li-chu Chen Huang
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Patent number: 5575113Abstract: A guard rail structure includes first and second vertical tubes, two first support members each mounted on one distal end of the first vertical tube, and two second support members each mounted on one distal end of the second vertical tube. Two first fastener members are each mounted on an associated first support member and two second fastener members are each rotatably mounted on an associated second support member. Two first horizontal tubes each have a first distal end mounted in an associated first fastener member. Two second horizontal tubes each have a first distal end mounted in an associated second fastener member, and a second distal end slidably received in an associated first horizontal tube. Two eccentric members each include a plug securely mounted in the second distal end of an associated second horizontal tube and each include an eccentric shaft extending from the plug thereof.Type: GrantFiled: December 19, 1995Date of Patent: November 19, 1996Inventor: Li-chu C. Huang
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Patent number: 5557870Abstract: A T-shirt mounting frame consisting of a plurality of corner members having right angle legs with holes in one of the legs and pins in the other of the legs so that four corner members can be assembled with each other to provide a quadrilateral frame, tabs on certain of the legs for retaining a cardboard backing member within the frame, apertures in the legs for securing adjacent frames to each other after they have had T-shirts mounted thereon.Type: GrantFiled: July 5, 1994Date of Patent: September 24, 1996Inventor: Gerald H. Bergman
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Patent number: 5414950Abstract: A portable, adjustable blind for hunters, which blind includes at least one panel characterized by a fixed frame and an adjustable frame telescoping into the fixed frame with camouflaged panels attached to the fixed frame and the adjustable frame for adjusting the height of the blind in the field. In a preferred embodiment the camouflaged panels are attached to the fixed frame and the adjustable frame by means of removable clips and multiple panels may be joined in hinged relationship by means of hinge clips to facilitate construction of a blind on substantially any terrain and in any desired configuration.Type: GrantFiled: June 23, 1993Date of Patent: May 16, 1995Inventor: Billy J. Johnson, Sr.
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Patent number: 4825611Abstract: A drapery assembly for use in architectural apertures having non-standard sizes and shapes, such as arched windows. The traverse rod portion of the assembly is a flexible, telescopic rod formed from tube sections of synthetic plastic-like material. The rod is supported along the upper boundary of the aperture by a plurality of hooks which aid in maintaining the rod in a desired orientation. A drapery is made to maintain the rod in substantial conformity with the shape of the aperture without aid of the hooks thereby facilitating installation of the assembly one hooks are in place. The variable size of the rod permits the assembly to be used in apertures of differing sizes. The material forming the rod makes the rod easily bent to have a uniform curvature and to conform to the shape of the aperture. The material also insures that the fabric forming the drapery contacts only smooth surfaces thereby preventing snagging.Type: GrantFiled: October 2, 1987Date of Patent: May 2, 1989Inventor: Deborah K. Bassett
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Patent number: 4799422Abstract: A motor vehicle window ventilator is provided which has a frame having a raised central portion to fit into at least a part of the encasement of the motor vehicle window, a fitting member attached to the frame by a resilient member, the fitting member being mateably insertable into at least a part of the encasement of the motor vehicle window. The bottom portion of the frame includes an indentation for receiving an edge of the motor vehicle window. An optional locking device can be attached to the frame and includes an elongated member which extends to and is connectable to the locking device of the motor vehicle.Type: GrantFiled: December 28, 1987Date of Patent: January 24, 1989Inventor: Robert M. Birt
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Patent number: 4195681Abstract: A fly screen for windows and doors comprising fly netting extending over one face of a rectangular frame with the marginal edge of the netting located in a recess in the frame and a wedge strip received in the recess over the fly netting to clamp and retain the fly netting in position. The fly screen may include mounting means for locating fly screen on an existing door or window or the fly screen may include separate mounting means for the frame whereby the fly screen can be mounted to cover an aperture. The fly screen frame comprises four frame elements formed as extrusions of the appropriate section which are cut to length with the adjacent ends being connected by corner cleats so that the fly screen frame can be assembled to suit any size of window or door. The fly netting comprises a material which can be easily cut such as plastic coated fiber-glass.Type: GrantFiled: January 10, 1978Date of Patent: April 1, 1980Assignee: Arthur Shaw Manufacturing Ltd.Inventors: Jack E. Douglas, Richard J. Bigley
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Patent number: 4127196Abstract: An adjustable display fixture includes a pair of perforated display panels arranged in overlapping relationship on support structure. The support structure telescopes to change the overlap of the pair of panels so that the effective overall panel height is adjustable. To allow the support structure to telescope and provide the overlap feature of the panels, the panels are offset in opposite directions on their respective supports so that the panels do not interfere with the telescoping action of the support structure.Type: GrantFiled: June 13, 1977Date of Patent: November 28, 1978Assignee: Melrose Displays, Inc.Inventor: Ralph E. Boucher
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Patent number: 4023326Abstract: A sash or a door has a vertically adjustable top rail by which the vertical size of the door or window is adjusted to suit the opening in a window frame or door frame, there being an adjusting device by which the top rail is selectably positioned. The adjusting device includes a supporting member for being secured to a vertical surface beneath the top rail, a wing projecting horizontally therefrom and disposed at one side of the supporting member, and an adjusting screw carried by the horizontal wing and engageable with the top rail from below.Type: GrantFiled: March 12, 1976Date of Patent: May 17, 1977Assignee: Yoshida Kogyo Kabushiki KaishaInventors: Akira Azuma, Kiyohide Hirano
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Patent number: 3949500Abstract: A manually adjustable, open, four-sided frame that may be dimensionally expanded or contracted to support a sheet of fabric on which needlepoint work is being performed in a taut condition.Type: GrantFiled: August 27, 1975Date of Patent: April 13, 1976Inventor: Dorothy Connors