Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7784522 | Locator and shutter slat A rolling shutter and a slat for use in a rolling shutter are provided. The slat comprises an engaging track located at a first edge and a receptacle track located at a second edge. Illustratively, the engaging track has a hook-shaped profile and is disposed at an a... | 08/31/2010 |
| 7370682 | Roller shutters A rolling door or shutter (1) has a series of preferably planar panels (3, 3A) which are joined by pairs (6) of pivotally connected hinge members (7, 8). The shutter slides up and down with its side edges guided in tracks (2). When... | 05/13/2008 |
| 7357171 | Low-clearance shutter slat A rolling shutter and a slat for use in a rolling shutter are provided. The slat comprises an engaging track located at a first horizontal edge and a receptacle track located at a second horizontal edge. Illustratively, the engaging track has a hook-shaped profile a... | 04/15/2008 |
| 7341092 | Way cover improvements A way cover section is shaped with a continuous lateral arc by pre-stressing so that its top panel has a radius in its top panel from one side panel of the cover section to the other. A wiper at the leading edge of the cover sections that may also serve as a bumper.... | 03/11/2008 |
| 7328613 | Profile element for sound reduction roller blinds The invention relates to a profile element which can be flexibly connected to other adjacent profile elements in order to form a roller blind. The profile element includes a front side and a rear side which are arranged at a distance from each other and at least one... | 02/12/2008 |
| 7316749 | Spray booth structures A panel for connection with other panels, comprising a rectilinear base member having outer edges, a first rectilinear side member extending from one edge of the base member, the first side member having a first lip extending from an outward edge of the first side m... | 01/08/2008 |
| 7225935 | Support system for rack elements A support system for rack elements has a support element and a hanging element. The support element has an upwardly projecting suspension rail and the hanging element is provided with a slot, by which the hanging element can be plugged onto the suspension rail. The ... | 06/05/2007 |
| 7216564 | Machinery slot cover A slot cover for an apparatus, the apparatus having a moving carriage and a member connected to the carriage which travels in a slot. The elongated hollow member is defined by a top member, a bottom member and a pair of side members. Each side member has a connectio... | 05/15/2007 |
| 7134471 | Pinch resistant sectional door with decorative components and method of attachment A sectional door (20) having a plurality of panels (21)joined for moving between open and closed positions of the door and having pinch resistant panel-to-panel interfaces (41), said panels having a body portion (21′) spacing said inter... | 11/14/2006 |
| 7111660 | Roll-up door assembly A lightweight roll-up door comprises multiple lightweight panels that can be transversely installed/removed with a simple hinge assembly. The panels are hinged about one edge and have outer complementary arcuate portions that fill the gap at the edges of the door as... | 09/26/2006 |
| 7100665 | Dual boss shutter slat with retention plate A rolling shutter and a slat for use in a rolling shutter are provided. The slat comprises a first receptacle and a second receptacle, wherein each receptacle is c-shaped and adapted to receive a retention screw, and wherein each receptacle projects from one or more... | 09/05/2006 |
| 7055573 | Systems and methods for reducing gap space between door sections Systems and methods for reducing gap space between sections to enhance safety and to enable one section of the door to support the weight of another. An overhead door having a variety of sections comprises a first section that includes a contour and a corresponding ... | 06/06/2006 |
| 7040373 | Extruded door panel members A door panel comprises several interlocking panel members. The panel members can be extrusions that are readily cut to length to create assembled door panels that match doorways of various widths. The ability to readily provide a door panel in various widths and len... | 05/09/2006 |
| 7007344 | Safety unit of hinge for folding ladder Disclosed herein is a safety unit of a hinge for a folding ladder to prevent a user's finger from being caught in the hinge when the hinge rotates. The hinge includes a first joint unit, a second joint unit, and a locking unit, and the safety unit is provided betwee... | 03/07/2006 |
| 6955206 | Upward acting sectional door An upwardly acting sectional door (24), including a plurality of panels (40), body portions (50) of the panels constructed of a flexible polymeric material and having a front surface (55), a cladding (80) covering the front surface... | 10/18/2005 |
| 6951236 | Retention system for pivotally connected shutter slats A plurality of elongated shutter slats of extruded rigid plastics material have co-extruded cores of rigid plastics foam material, and injection molded plastic end caps are attached to opposite ends of each slat. The end caps have elongated flat base portions and re... | 10/04/2005 |
| 6899157 | Sectional door strengthening member A sectional door D having a plurality of panels (35), a first hinge leaf (44) formed on one edge of a panel and a second hinge leaf (42) formed on a second edge of the panel, wherein first and second hinge leaves on adjacent panels interrelate t... | 05/31/2005 |
| 6874560 | Rollable blind A rollable blind is described including a set of blind slats connected to a set of connecting sections inserted between each pair of slats in the set of blind slats. The connecting sections can turn at their geometric center when a pushing force is exerted by adjace... | 04/05/2005 |
| 6782939 | Plastic panel door construction A plastic door is made from rigid plastic panels that hingedly secure to one another by a lateral slide interlock at adjacent edges of the panels. The panels are foldable at the interlock between a first panel position in which the panels are out of alignment with o... | 08/31/2004 |
| 6722415 | Shutter panel A shutter panel (10) in which respective longer sides of slats (12) made of synthetic resin are connected through hinge mechanisms to be freely bendable manner, wherein the hinge mechanisms include one hinge member and another hinge member. Each hinge ... | 04/20/2004 |
| 6715529 | Rolling shutter assembly A rolling shutter assembly includes a plurality of interconnecting metal slats each having a front face, a rear face, and opposite end zones. The end zones travel within respective tracks which mount to a wall structure on opposite sides of a window or door of a bui... | 04/06/2004 |
| 6695033 | Guide device for winding shaft of a material handling door comprising a flexible curtain A guide device for winding shaft (4) of a material handling door (1) includes vertical members (2, 3) including in their upper part a bore (11) traversed by the actuator (13) of the shaft (4) such that each bearing (14, 15) cop-operates with a plate (16) ... | 02/24/2004 |
| 6672362 | Upward acting sectional door An upwardly acting sectional door (24), including a plurality of panels (40), body portions (50) of the panels constructed of a flexible polymeric material and having a front surface (55), a cladding (80) covering the front surface of the body portions an... | 01/06/2004 |
| 6631749 | Wind resistant rolling shutter assembly A wind resistant rolling shutter assembly having a flexible barrier made of a plurality of interconnected slats. Each individual slat is hollow, has inner and outer surfaces, two opposing ends and one or more support ribs. Two brackets each having two opp... | 10/14/2003 |
| 6615894 | Self-closing single-sided accordion fire door An accordion fire door is provided including an accordion member having interlocking panels formed of a fire retardant or fire proof material, a guide member positioned on at least one side of the accordion member for guiding the accordion member during m... | 09/09/2003 |
| 6601637 | Hinge mechanism and window cover system A hinge for assembling window covers is disclosed, along with associated window cover systems, including single blind systems and dual blind systems.... | 08/05/2003 |
| 6591888 | Covering and protecting device for machinery A device for covering and protecting machinery has at least one covering and protective surface and a plurality of modular elements positioned side by side. Each modular element has a central body, on opposite sides of which there extend first and second ... | 07/15/2003 |
| 6547350 | Refrigerator shelf A refrigerator shelf having a plate surrounded by a frame. A guide is connected to the frame for slidable guiding of a closure member. The closure member is formed from an assembly of hinged-together bar elements which are able to pass between an extended... | 04/15/2003 |
| 6513862 | Door panel and door assembly A door assembly is provided comprising a plurality of interlocked door panels. Each of the door panels defines a length dimension, a height dimension, and a thickness dimension. Each of the door panels also defines a female portion, a male portion, and a ... | 02/04/2003 |
| 6422289 | Deployment control for rolling protective shutters A rolling shutter assembly having shutter support member and a shutter coupled to the shutter support member. The shutter has a plurality of individual slats and a plurality of hinges interconnecting the slats. Each of the slats has a pair of end portions... | 07/23/2002 |
| 6378262 | Telescoping louvered window insert The present invention 10 discloses a louvered window insert comprising two louvered frame sections 39, 50 each having one vertical member 44, 60 with an upper and lower horizontal member 40, 42, 56, 58 extending from each end thereof and a plurality of lo... | 04/30/2002 |
| 6345476 | Perforated pleated shutter and method A pleated panel shutter system for an opening in a dwelling in which the pleated panel portions can be drawn to the side rendering the bulk of the opening available for ventilation, light, and the normal function of a window or a door. The pleated panel c... | 02/12/2002 |
| 6330902 | Length adjustable foldable door assembly A foldable door assembly includes a frame member and a jamb member, a latch slidably received in the jamb member and coupled to the jamb member with a spring member. An end beam is engageable into the frame member, and another end beam is coupled to the l... | 12/18/2001 |
| 6279641 | Cover design for retractable awnings A retractable awning assembly includes a roller, arm assemblies supporting ends of the roller, an awning rail securable to a support wall, a flexible canopy rollable on the roller and having an outer edge secured to the roller and an inner edge connected ... | 08/28/2001 |
| 6223804 | Hinge mechanism and window cover system A hinge for assembling window covers is disclosed, along with associated window cover systems, including single blind systems and dual blind systems.... | 05/01/2001 |
| 6219985 | Louver and frame body assembly structure A louver and frame body assembly structure including an upper beam, a lower beam, two lateral columns, two side columns, several slats, a linking bar and several pivot nails. The outer peripheries of the main bodies of the upper beam, lower beam and later... | 04/24/2001 |
| 6220332 | Door assembly for spanning an entrance of a shower room A door assembly for spanning an entrance of a shower room includes an elongated rail member formed with a longitudinally extending slide channel, and a foldable sliding door unit which includes a plurality of vertically disposed elongated connectors, a pl... | 04/24/2001 |
| 6129132 | Sectional closing doors A sectional closing door having a plurality of interconnected panels, where each panel of the sectional door, except the upper and lower panels, includes matching profiles which interlock and are guided on matching profiles of adjacent panels to form a sw... | 10/10/2000 |
| 6113176 | Slat house hinge for laminated retractable truck bed cover An improved slat hinge for a laminated retractable truck bed cover that permits greater relative movement between adjacent slats for slat rotation up to 45 degrees to significantly reduce roll diameter while preventing stretching or stress on a pliable su... | 09/05/2000 |
| 6041847 | Building block for rolling shutter The invention discloses a building block for rolling shutters which are use to shield and protect the door and windows of a shop. The blocks are made of plastic sheets, adopt new forms of engagements, and can be connected to form shutters of various sizes... | 03/28/2000 |
