Bizarre Patents
An electrified table cloth for preventing crawling insects from gaining access to the consumer's food or drink.
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 |
| 8132290 | Block and tackle balance assembly with rotatable shoe A balance assembly for a sliding sash window, where a spring-loaded pulley arrangement is interconnected between the window frame and the window, to counter the weight of the window, and permit ease of opening and closing the window. The spring-loaded pulley arrange... | 03/13/2012 |
| 7945994 | Two piece carrier and balance assembly A carrier and balance assembly for installation into the jamb channel of a window frame. The carrier and balance assembly are capable of being installed into the jamb channel optionally either as a single assembly or as two separate components. The two separate comp... | 05/24/2011 |
| 7937809 | Dynamic window jamb channel block The device of the present invention is identified as a chimney block for use in the jamb channels of window frames. The chimney block impedes or substantially reduces the vertical movement of air through the jamb channel. The reduction in air movement improves the i... | 05/10/2011 |
| 7735191 | Locking shoe and mounting bracket for curl spring window balance system A curl spring sash shoe cassette improves upon the suggestions of U.S. Pat. Nos. 5,353,548 and 5,463,793 by providing a mounting bracket that holds an uncurled length of the curl spring and is securely mounted on top of the shoe cassette to maintain an assembly of t... | 06/15/2010 |
| 7353567 | Block and tackle window balance with bottom guide roller Disclosed are apparatus for a block and tackle window balance to be incorporated in single and double hung window assemblies. In one embodiment the block and tackle window balance includes a roller secured within a bottom guide to increase range of travel of a windo... | 04/08/2008 |
| 7210267 | Non-takeout lock for a pivot pin of tilt-type windows A slide block for slideably and pivotally mounting a window sash to a side member of a window frame having a vertical window jamb channel. The slide block includes a body, the body defining a sash pivot-receiving aperture. A sash pivot retainer spring is integrally ... | 05/01/2007 |
| 7181805 | Sash window hinge A sash window hinge for pivotally connecting a window having a window sash to a window frame. The window hinge includes an elongated track having a track base wall attachable to the window frame. The track also includes a track flange extending from at least a porti... | 02/27/2007 |
| 7165359 | Balance shoe An improved balance shoe is described. There is a balance shoe housing, wherein there is a pivot member. The pivot member forces at least one side support member against the interior surfaces of a window jamb channel when said window is tilted. The pivot member comp... | 01/23/2007 |
| 7076835 | Spring mounting for sash window tensioning arrangements A sash window counterbalance spring mounting arrangement for fitment into a channel section within a window jamb, includes coiled ribbon springs, a spring support mounting including a single integral component for locating and supporting the springs, a support for t... | 07/18/2006 |
| 7028371 | Safety brake for block and tackle window balance The present invention relates to inertial braking system for spring-loaded devices, such as block and tackle window balances incorporated in single and double hung window assemblies. In one embodiment, a block and tackle window balance includes a translatable block ... | 04/18/2006 |
| 7013529 | Block and tackle sash balance brake assembly A block and tackle sash balance assembly for providing a counterbalancing force to a sash window pivotally and slideably mounted within a sash window frame is disclosed. The assembly is adapted to disable the counterbalancing force responsive to pivoting of the sash... | 03/21/2006 |
| 6990710 | Counterbalance system for a tilt-in window having an improved shoe assembly and anchor mount A counterbalance system for a tilt-in window having novel components. The counterbalance system includes brake shoes, curl springs and spring anchor mounts. The brake shoe assembly of the counterbalance system has a unique, low cost locking mechanism that uses a loo... | 01/31/2006 |
| 6978515 | Balancing device of raising-lowering window A balancing force adjusting device for a window which raises and lowers includes a case, a horizontal gear member, a click member and a vertical gear member. The horizontal gear member is rotatably arranged around the horizontal axis in a predetermined position with... | 12/27/2005 |
| 6968646 | Quick locking pivot shoe A substantially zero clearance clamping pivot shoe having a top camming member and a bottom camming member, each camming member including camming elements. A top clamping element and a bottom clamping element disposed between the camming members for clamping a porti... | 11/29/2005 |
| 6948279 | Support system for laterally removable sash A support system for a heavy sash that is laterally removable from between opposed window jambs includes a pair of sash support arms pivotally mounted on each sash stile and counterbalance shoes that engage the support arms to uphold the sash. The support arms, in i... | 09/27/2005 |
| 6938374 | Guide system for guiding window glass of vehicle A guide system for guiding a window glass of a vehicle includes a guide rail and a guide. The guide includes a shaft to be attached to the window glass; a base as one part of a component divided in a widthwise direction of the vehicle and contacting an inner surface... | 09/06/2005 |
| 6934998 | Sash balance shoe jamb attachment A sash balance shoe that draws an extending cord to the shoe by an elastic mechanism in the shoe is hung from a wall of a vertical track of a window jamb by the cord extending through the axis of a convex face of a radially extending annular wall that is on one end ... | 08/30/2005 |
| 6931788 | Locking balance shoe and system for a pivotable window Locking balance shoes and balance systems to be incorporated in pivotable double hung windows includes, in one embodiment, a pair of retractable tabs that partially extend through openings within an inverted window balance. In one embodiment of the method of install... | 08/23/2005 |
| 6928697 | Hinge A hinge for supporting a vent between a closed position in which it lies within a fixed frame and an open position in which it extends substantially perpendicularly to the fixed frame comprises a support track, a slider mounted on the support track and a vent arm at... | 08/16/2005 |
| 6901702 | Balance shoe An improved balance shoe is described. There is a balance shoe housing, wherein there is a pivot member. The pivot member forces at least one side support member against the interior surfaces of a window jamb channel when said window is tilted. The pivot member comp... | 06/07/2005 |
| 6877187 | Block and tackle window balance with bottom guide roller Disclosed are apparatus for a block and tackle window balance to be incorporated in single and double hung window assemblies. In one embodiment the block and tackle window balance includes a roller secured within a bottom guide to increase range of travel of a windo... | 04/12/2005 |
| 6763550 | Window regulator channel slider device A slider (10) is provided for use with an elongated channel (12) having a pair of spaced apart side walls (14, 16) interconnected by a base wall (18) and an upper wall (20, 22) projecting from each side wall spaced from and general... | 07/20/2004 |
| 6751904 | Balance system for sash window assembly A balance assembly (15) is provided for a sash window assembly (10). The sash window assembly (10) has a sash window (12) slidable within a master frame (14). The balance assembly (15) has an elastomer balance member (30 | 06/22/2004 |
| 6715541 | Ball dropping assembly A ball dropping assembly for dropping an object such as a spherical ball into a wellbore. The assembly comprises a seat for retaining a ball before it is released, a ball retaining lever, and a shaft for turning the lever. In one embodiment, the assembly is attached... | 04/06/2004 |
| 6622342 | Block and tackle balance assembly with brake shoe A sash balance brake shoe assembly (2) is disclosed for counterbalancing a sash window (3) slidably supported within a master frame (5). The assembly generally includes a balance assembly preferably in the form of a block and tackle balance assembly (7) a... | 09/23/2003 |
| 6606761 | Spring mounting arrangement for a sash window counterbalance arrangement A sash window counterbalance arrangement for counterbalancing the weight of a sash window includes a spring support mounting located within a channel in a sash window jamb, a sash shoe slidable in the channel, a spring arrangement which generates a spring... | 08/19/2003 |
| 6523307 | Balance system for sash window assembly A balance assembly (15) is provided for a sash window assembly (10). The sash window assembly (10) has a sash window (12) slidable within a master frame (14). The balance assembly (15) has an elastomer balance member (30) having one end adapted to be conn... | 02/25/2003 |
| 6467128 | Block and tackle sash counter balance The present invention is an apparatus and method of assembling a block and tackle counter balance for windows that reduces the cost of manufacture and installation. In particular, the balance provides vertical support to a window sash using a semi-rigid c... | 10/22/2002 |
| 6412144 | Counterbalance spring mounting arrangement for a sash window A sash window counterbalance arrangement for counterbalancing the weight of a sash window, includes a sash window jamb with a channel defined within the sash window jamb, the channel having a rear wall and a pair of side walls, a sash window shoe slidable... | 07/02/2002 |
| 6393661 | Spring mounting arrangement for a sash window counterbalance arrangement A sash window counterbalance arrangement for counterbalancing the weight of a sash window includes a spring support mounting locating within a channel in a sash window jamb, a sash shoe slidable in the channel, a spring arrangement which generates a sprin... | 05/28/2002 |
| 6088880 | Adjustable shoe for awning window hinge A sliding shoe portion of a awning window hinge includes a cantilevered rail fitting within a channel of a track on which the shoe slides. A wedge screw placed between the fulcrum of the cantilevered portion and its open end deforms the rail to control th... | 07/18/2000 |
| 6041475 | Locking counterbalance shoe for tiltably removable sash windows An automatic locking brake shoe device for a double sash window is disclosed which is slidably disposed in the guide channel of the window jamb liner. The brake shoe device interconnects with an associated sash through a laterally projecting sash pin. The... | 03/28/2000 |
| 5901499 | Double-hung window locking system A locking assembly for a double-hung window assembly having a pair of vertical jamb liners, including a shoe slidable in a channel in one liner and operably connected to a sash for sliding movement therewith. A first locking member is rotatably connected ... | 05/11/1999 |
| 5738475 | Adjustable expansion rivet An adjustable expansion pivot rivet for connecting a movable member to a fixed member having a cylindrical exterior surface, a hollow interior portion with a terminating portion and a solid interior portion such that the hollow interior portion extends th... | 04/14/1998 |
| 5613277 | Window hinge shoe A hinge for supporting a window sash relative to a window frame including a track (12) connected to the window frame, a support arm (16) pivotally secured to the track, a shoe (22) slidably received in the track (12) and a sash arm connected to the window... | 03/25/1997 |
| 5586362 | Anti-rubbing block An anti-rubbing block 9 for a friction stay, comprising a body 11 for positioning within a track 1 of a friction stay, the body 11 extending above the track 1 to prevent rubbing of a link 5 of the stay on the track 1, and a flange 13 extending from the bo... | 12/24/1996 |
| 5560084 | Slider A friction slider 1 for a friction stay, comprising a body 3, preferably formed of metal, for attachment to struts of a stay, the metal body 3 being shaped to fit and be retained within a channel of the stay, a plastics skin 5 overlaying the metal body 3 ... | 10/01/1996 |
| 5452495 | Brake system for window assembly A brake system for a window assembly comprises a track liner having two generally parallel sides defining a pocket, opposed grooves extending along the sides of the track liner, each groove being defined by a flange extending along the track liner, a base... | 09/26/1995 |
| 5377384 | Locking pivot shoe A pivot shoe that includes a rotary barrel cam mounted in the body of the shoe, and a brake in the opening that is urged axially rearward by the barrel cam, has a radial protuberance and an axial slot with radial wall operating in interference between the... | 01/03/1995 |
| 5231795 | Lock shoe system for heavy sash A lock shoe system for an especially heavy sash has shoes with lock bolts that can be moved into locking positions by means of a tool that moves a bolt from underneath a shoe so that the bolt interlocks with a lance in the jamb liner. Once the shoes are l... | 08/03/1993 |
