Bizarre Patents
A coffin, for allowing inclination for display of a deceased person in a natural position.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8156993 | Roll screen control member A roll screen control member is revealed. The roll screen control member consists of a sprocket wheel, a chain protection cover, a sprocket support, a cover spring, a splined bush and a central pin. The splined bush is mounted with a roll screen tube while the centr... | 04/17/2012 |
| 7497242 | Window curtain pulling device A window curtain pulling device comprises a guide module, a pulling string wheel module, a rotary member module, a fixed casing, and a connecting component. A guide rod having a positioning ring passes through the rotary member module and latches the rotary member b... | 03/03/2009 |
| 7387150 | Shade roller capable of bearing heavy load A shade roller has a seat, a loop hooked onto the seat, a side cover, a planet wheel engaged with the loop, a chain-retaining wheel secured in the side cover, a driving wheel engaged with the planet wheel, a beaded chain, and a fixing block engaged with the driving ... | 06/17/2008 |
| 7353857 | Chain stopper A ball chain stopper for inhibiting movement of ball chains used in window blinds and the like for moving the blinds between operative positions is adapted to be attached to intermediate chain members which interconnect adjacent balls of the ball chain. The ball sto... | 04/08/2008 |
| 7337825 | System to open and close drapes An electric motor moves drapes on a carrier by a cord wound on a sheave attached to a shaft thereof. The motor is attached to a housing along with a second shaft. The second shaft has an arm on an end thereof and carries a disc with first and second cam surfaces the... | 03/04/2008 |
| 7325584 | Mechanism for tensioning a compensation spring for a closing or sun protection installation The invention relates to a mechanism comprising at least one spring (3) for compensating the weight of a closing screen, said spring (3) being fixed, at one of its ends (32), to a ring (6) which is rotatably arranged around a shaft (4 | 02/05/2008 |
| 7302985 | Lowerable blind for irregularly-shaped windows A window covering for an irregularly-shaped window includes a panel, comprising accordion folds, configured to fold up at a base of the window, and to raise and unfold to a substantially planar configuration. A top edge of the panel is shaped to match a top shape of... | 12/04/2007 |
| 7287570 | Window covering lifting system and method A window covering, a lifting system for a window covering and a release mechanism for a lifting mechanism are disclosed. The window covering includes a head rail, a bottom rail, a window covering, a drive shaft and a lift cord attached to the bottom rail. The releas... | 10/30/2007 |
| 7267156 | Blinds for adjusting illumination The present invention relates to a blind of a roll type comprising a blind sheet having alternate transparent and opaque parts and partly overlapped by folding, to easily and efficiently adjust room illumination. The blind comprises a upper-end support bar; a pair o... | 09/11/2007 |
| 7265508 | Movable light for use with a movable barrier operator A barrier movement operator controls the movement of a moveable barrier. The barrier movement operator includes a movable utility light. A head unit is communication with the movable utility light to command the moveable barrier to perform moveable barrier functions... | 09/04/2007 |
| 7216688 | Reverse-stop mechanism of curtain The present invention relates to a reverse-stop mechanism of a curtain, especially for applying to a sheet- or cloth-type curtain, to rigidly stop a reactive force from a gravitation or an external force and also acquire varied speed output, with a characteristic by... | 05/15/2007 |
| 7195052 | Cord-driven rotator for driving roller of window blind A rotator, which is driven by an endless cord member to rotate, is used in a window blind for driving a roller of the window blind. The rotator includes a base having a shaft, a first clamping plate and a second clamping plate rotatably serially mounted on the shaft... | 03/27/2007 |
| 7165688 | Retractable hanging apparatus A retractable hanging apparatus that includes an engagement structure, such as a bar, upon which an article is hung or secured, with the engagement structure being suspended by one or more lines that are attached to a spring-biased roller assembly rotatably mounted ... | 01/23/2007 |
| 7150305 | Curtain A curtain including a fixing rod and a curtain body. The fixing rod is secured to an upper side of a window frame and includes a winding shaft located on an interior and an endless bead string movably wound on one end of the winding shaft. The curtain body is made o... | 12/19/2006 |
| 7137429 | Modular framed covering for architectural openings A modular covering for architectural openings includes a peripheral frame that supports a plurality of rotatable elements that might support strips or sheets of flexible material or rigid slats. The peripheral frame includes a drive system for rotating the members a... | 11/21/2006 |
| 7114544 | Cord tensioner for covering for architectural openings A tensioner for the control element of a covering for an architectural opening includes a base member attachable to a support surface adjacent to the architectural opening with the base member supporting an upstanding plunger about which a surrounding housing is ada... | 10/03/2006 |
| 7100668 | Control units A control unit for use in a window blind head rail assembly includes a sprocket wheel, a chain guard housing, a sprocket support and wrap spring, a splined bush for engagement with a roller blind tube and a center pin, wherein the center pin has a center-pin head an... | 09/05/2006 |
| 6983784 | Control system for a vertical vane covering for architectural openings A control system for a vertical vane covering for an architectural opening includes a new and improved symmetric headrail having uniquely designed carriers for suspending individual vanes wherein the carriers are designed to minimize skewing relative to a tilt rod a... | 01/10/2006 |
| 6981539 | Hardware and clutch mechanism for window treatment A window treatment support, such as a support for a cellular shade and other kinds of shades, includes a head rail, a clutch mounted on the head rail to support and operate a window treatment; and a cord engaging the clutch for selectively raising and lowering the w... | 01/03/2006 |
| 6973952 | Anti-reverse transmission apparatus and window blind using the same An anti-reverse transmission for use in a window blind includes a fixed axle, a rotatable input shaft, an output shaft sleeved onto the fixed axle, a transmission shaft sleeved onto the output shaft and coupled to a linking rod of a window blind, the transmission sh... | 12/13/2005 |
| 6971435 | Raising and lowering mechanism, in particular for roller blinds The operation of a roller blind occurs via a ball cord and a pulley. The ball cord may be wound several turns around the pulley, in that oblong axial tracks have been provided in the pulley. Thereby the winding may be preserved without jamming between the windings. ... | 12/06/2005 |
| 6968884 | Modular transport system for coverings for architectural openings A modular blind transport system for a window blind application. The complete system may be assembled form a relatively small number of individual modules to obtain working systems for a very wide range of applications, including especially a category of counterbala... | 11/29/2005 |
| 6955208 | Sunshade operating rope with an operating directional indicator This device is related to an operating rope wound on a sprocket of clutch for operating a sunshade. When a user pulls the operating rope to either opening or closing direction, a shaft being attached to the sprocket and clutch is rotated to open or close the sunshad... | 10/18/2005 |
| 6935401 | Universal brackets for roller shade Generally speaking, in accordance with the invention, an improved window treatment system is provided. The system includes a head rail, a spring clutch disposed at one end of the head rail and an idler disposed at the other end of the head rail. Significantly, a pai... | 08/30/2005 |
| 6843302 | Shade operator An operator for a window or like shade serves to turn a shade roller to a new desired position as a result of a torque applied from a manually operable source, such as a chain operated wheel. The device includes a helical spring that is seated within a fixed bushing... | 01/18/2005 |
| 6792999 | Tab release cord tension device A tensioning device for the cord loop of a window treatment apparatus includes a cord guide disposed in a housing, a biasing element such as a spring and a locking member that locks the cord guide into an installation position. During installation, the cord guide is... | 09/21/2004 |
| 6782938 | Control and suspension system for a covering for architectural openings A control and suspension system for a retractable covering mounted on a rotating element includes an apparatus for mechanically limiting over-extensions of the covering and an apparatus for mechanically limiting over-retractions of the covering. The control and susp... | 08/31/2004 |
| 6749000 | Safety device for cord-operated control system A cord-operated control system for a venetian blind, in which a housing, attached to the head rail, holds a first drive wheel that is operatively connected to a driven bind member that rotates in opposite directions to open and close the blind with rotation of the f... | 06/15/2004 |
| 6739373 | Lift control device for a roller shade A lift control device for a roller shade has a side cover, a roller, a chain retaining wheel, a chain and a follower spool. The side cover has an axle and multiple inner teeth. The roller is rotatably mounted around and is eccentric to the axle. The roller has multi... | 05/25/2004 |
| 6540004 | Fixing seat structure of rolling curtain Fixing seat structure of rolling curtain including a left fixing seat, a reel, a fabric curtain, a rotary unit, an engaging pivot member and a right fixing seat. The inner side of the left fixing seat has a fitting block the center of which is formed with... | 04/01/2003 |
| 6505668 | Roller curtain with back rolling force Roller curtain with back rolling force, including: two end members; a locating mechanism connected with a first end member; a hollow reel positioned between the two end members with one end fitted on the locating mechanism, whereby the reel is drivingly r... | 01/14/2003 |
| 6289964 | Control and suspension system for a covering for architectural openings A control and suspension system for a retractable covering mounted on a rotating element includes an apparatus for mechanically limiting over-extensions of the covering and an apparatus for mechanically limiting over-retractions of the covering. The appar... | 09/18/2001 |
| 6250359 | Beaded chain for blinds A differentiated beaded chain is provided as an aid for rotating blind slats in a desired rotational direction. The differentiation is realized utilizing beads of differing sizes or textures along a first and second length of the beaded chain. An operator... | 06/26/2001 |
| 6173825 | Lift control device for a roller shade A lift control device for a roller shade includes a support rod having one end containing an insert socket, a spring mounted on the support rod, a roller cap rotatably mounted on the support rod and containing a retaining opening to secure the spring ther... | 01/16/2001 |
| 6164428 | Wrap spring shade operator A shade positioning system which employs a wrap spring clutch system includes a shade operator, a shade roller, and an idle end bracket for supporting the shade roller when mounted. The shade operator includes a self-lubricating central stud around which ... | 12/26/2000 |
| 6116325 | Break away operating cord system for retractable coverings for architectural openings A break away operating cord system for retractable coverings for architectural openings such as windows, doors, arches or the like includes a mounting plate to which an operating cord is attached and wherein the mounting plate is releasable from the remai... | 09/12/2000 |
| 6085824 | Control cord end security device A control cord end security device includes a base plate for mounting on a wall surface. A guide member is disposed on the base plate for slidably retaining an end loop of a cord of a window covering such as a blind. A cover plate is removably affixed to ... | 07/11/2000 |
| 6048285 | Bearing structure for vertical blinds and rollers shades An improved bearing mechanism works in conjunction with the control rod of a vertical blind system or a roller shade system to provide superior bearing and load handling capability. A conical bore has a plurality of grooves into the surface of the conical... | 04/11/2000 |
| 6032716 | Bottom stop mechanism for a window covering An inventive bottom stop mechanism uses one of the lift cords to operate. While the cord is unwinding from the shaft, the cord leaves the shaft along a line tangent to the shaft. As the last turn of cord is unwound from the shaft, and the point of attachm... | 03/07/2000 |
| 6029735 | Clutch mechanism for manual roller door operation A clutch mechanism adapted to facilitate disengageable manual operation of a roller door or shutter comprising a chain pulley wheel journalled for rotation about the axis of a first shaft permanently engaged with or common with the main shaft about which ... | 02/29/2000 |
