Bizarre Patents
Dining Table Having Integral Dishwasher
A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.
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| Number | Title | Issue Date |
| 7878086 | Drive mechanism for a lock A drive mechanism for a lock comprises a linear-moving sleeve (1), a conversion spring (2) and a rotating transmission component (3). The rotating component (3) is inserted into the linear-moving sleeve (1) that moves along the rot... | 02/01/2011 |
| 7337690 | Leadscrew assembly with a wire-wound leadscrew and a spring-pin engagement of a drive nut to the leadscrew A leadscrew assembly includes a leadscrew having an elongated shaft with an outer lateral surface and a rotational axis, and a leadscrew thread formed of a thread wire helically wrapped in spaced-apart turns upon the lateral surface and affixed to the elongated shaf... | 03/04/2008 |
| 7246537 | Wire-wound leadscrew assembly with a preloaded leadscrew wire nut, and its fabrication A leadscrew assembly includes a leadscrew having a leadscrew thread wire helically wound about a leadscrew axis in a plurality of cylindrical leadscrew-thread turns and having a leadscrew-thread pitch. A leadscrew wire nut assembly includes a nut-assembly wire helic... | 07/24/2007 |
| 7143661 | Leadscrew mechanical drive with differential leadscrew follower structure and brake A leadscrew mechanical drive includes a leadscrew having a leadscrew axis and a leadscrew thread with a nonzero leadscrew thread pitch. A leadscrew follower structure is engaged to the leadscrew. The leadscrew follower structure includes a first leadscrew follower a... | 12/05/2006 |
| 6931960 | Leadscrew mechanical drive with differential leadscrew follower structure A leadscrew mechanical drive includes a leadscrew having a leadscrew axis and a leadscrew thread with a nonzero leadscrew thread pitch. A leadscrew follower structure preferably having two leadscrew followers is engaged to the leadscrew. Each leadscrew follower incl... | 08/23/2005 |
| 6883396 | Wire-wound leadscrew assembly with a preloaded leadscrew wire nut, and its fabrication A leadscrew assembly has a wire-wound leadscrew driven by a mechanical drive. A preloaded leadscrew wire nut assembly serving as a leadscrew follower includes a first wire nut having at least one turn of a first-nut wire overlying and engaged to the groove between t... | 04/26/2005 |
| 6655228 | Dual directional power feed The present invention discloses a dual directional power feed for use with handheld drills or stationary frame mounted power sources. The device comprises a housing, two pairs of wheel bearings rotatably mounted to the housing, a cap rotatably mounted to ... | 12/02/2003 |
| 6513403 | Flexible drive rod for access to enclosed locations A flexible metallic bolt assembly including a flexible threaded rod formed of a helical tension coil spring is engaged by a rotationally fixed threaded hole, such as a nut, that defines a first longitudinal axis of the assembly. A guide positionally fixed... | 02/04/2003 |
| 6484599 | Nut unit A nut unit (20) for use in a ball screw drive comprises a sleeve-shaped nut body (10) that is made of an essentially rigid material and that has an axis (A) and an inner circumferential surface (14). A one-piece, channel-shaped, ball-guiding strip materia... | 11/26/2002 |
| 6089303 | Control wand for coverings for architectural openings A system for reversibly rotating a shaft for operation of the control system in a covering for an architectural opening includes two relatively linearly moveable members at least one of which has a low friction component engaging a helical path on the oth... | 07/18/2000 |
| 5976062 | Inclimetric resistance sliding sleeve exercise device The invention is an exercise device which creates a controlled and infinitely variable resistance profile using a pair of rods that are wrapped about a common axis with a varying pitch. A slide unit is attached to the rods with rollers. When the slide uni... | 11/02/1999 |
| 5931438 | Displacement adjustment device A displacement adjustment device (100) for at least partly converting a rotation into a translation, comprising: a rotation input member (114) which is bearing-mounted so as to be rotatable but axially secured relative to a frame said rotation input membe... | 08/03/1999 |
| 5720531 | Variable pitch screw driver for use in a brake system A variable pitch screw driver system includes a rotatable drive nut powered by a motor actuator. A base screw having a fixed pitch extends through the drive nut and is linearly translatable in response to rotation of the drive nut. The base screw carries ... | 02/24/1998 |
| 5551314 | Lead screw and linear drive assemblies using such lead screw A composite lead screw for use in a linear drive assembly is provided. The lead screw comprises a generally cylindrical carrier means. The carrier means has disposed therein at least one helical seating groove. This helical seating groove has a lead subst... | 09/03/1996 |
| 5533417 | Leadscrew assembly A leadscrew assembly (10, 52, 82) having an externally threaded leadscrew (12) and first and second ball bearings (16, 18) disposed such that a segment of the inner races (24, 26) thereof makes contact with diametrically opposing portions of the leadscrew... | 07/09/1996 |
| 4979810 | Rear view mirror assembly for motor vehicle A rear view mirror assembly for a motor vehicle, includes a mirror holder for supporting a mirror body, an operating threaded shaft movable backward and forward along an approximate axial direction thereof in a mirror case, and a nut member connected with... | 12/25/1990 |
| 4685344 | Helical ball gearing A helical ball gearing for converting axial or linear motion into rotary motion and vice versa. In a helical ball gearing including a rotor having at least one helical groove, a non-rotatable but axial displaceable shaft having at least one helical groove... | 08/11/1987 |
| 4570893 | Dual control mechanism for a remotely located mirror A dual control mechanism which includes a pair of screw drives that are connected at one end to a universally pivotally supported element at spaced points thereof and are connected at the other end to a pair of knobs which are rotatable about a common axi... | 02/18/1986 |
| 4395924 | Flexible rotary to linear and non-linear drive mechanism A flexible shaft has its outermost layer of windings provided with a helical gap along length of the shaft. The helical gap is formed by a flexible shaft winding machine which is programmed to uniformly intermittently discontinue coiling the windings very... | 08/02/1983 |
| 4259949 | Anti-friction screw and nut assembly A guiding device for orthosis, comprising an anti-friction screw and nut assembly, in which the nut comprises two interconnected nut portions, which are rotatable but not axially displaceable relatively to each other, each nut portion having an axial bore... | 04/07/1981 |
| 4227426 | Device for longitudinal displacement of a flexible drive wire A device for driving a flexible wire having a helical coil therearound along its length comprises a hollow shaft adapted to receive the wire and a motor for rotating the hollow shaft in either direction about its longitudinal axis. The shaft has a project... | 10/14/1980 |
| 4226129 | Worm drive mechanism A drive mechanism including a nut rotatable within a sleeve and a worm that extends through the nut and is threadedly engaged by it. The nut is locked to the sleeve for joint rotation so that rotation of the sleeve produces longitudinal movement of the wo... | 10/07/1980 |
| 4186620 | Screw-nut screw transmission coupling A screw-nut screw coupling comprises a tubular element provided with an internal helical groove and an elongate member, formed by a preloaded spring having an external helical groove machined thereon. The tubular element is coupled to the elongate member ... | 02/05/1980 |
| 4138902 | Screw-nut screw transmission coupling with ball circulation A screw-nut screw transmission coupling with ball circulation of the type comprising a first elongated element and a second tubular element substantially coaxial to each other and with an external and an internal helical track respectively, is described. ... | 02/13/1979 |
| 4074587 | Screw-nut screw transmission coupling A screw-nut screw coupling in which a tubular element provided with an inner helical groove is coupled to an elongate member provided with an outer helical groove by means of a number of balls mounted for rolling along an helical path defined by said heli... | 02/21/1978 |
| 4074463 | Electrically controlled window regulator An electrically controlled window regulator for raising and lowering a mobile window of a motor vehicle door, and in which a slide rigidly connectable to said window is slidably mounted on a guide rigidly connectable to a support of said window, and is re... | 02/21/1978 |
| 4011684 | Control mechanism for model aircraft A torsional control system for model aircraft is disclosed in which a torsional control line extends from the aircraft to a control handle for rotating the control line, and carries all tensional forces between the aircraft and handle. A flexible shaft ha... | 03/15/1977 |
