Bizarre Patents
Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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| Number | Title | Issue Date |
| 8132789 | Drive disk for high performance friction pairings A drive disk with rim segments which are located at a distance from each other and are embodied in the form of segments of the groove track which are made from the same or different material and high-powered magnets are introduced in between the grooves in the drive... | 03/13/2012 |
| 7946560 | Crane hook block A hook block for a crane includes a sheave housing containing sheaves, extended portions with a hole through each, and a housing frame with a locking surface; a cross beam has multiple brackets each with a hole; a bracket has a plurality of surfaces corresponding to... | 05/24/2011 |
| 7913980 | Adjustable, collapsible and portable game hoist A portable game hoist (10) designed for raising and lowering game feeders and fallen game animals in the field. The invention consist of a compact and collapsible triangular support frame which contains a plurality of pulleys in a block and tackle arrangement... | 03/29/2011 |
| 7832712 | Cable puller for lifting wire rope and electric cords and associated method A pulley suspension assembly for assisting a user to vertically transport a cable to an elevated location may include a base member adapted to be positioned at the elevated location. A plurality of prongs may be statically coupled the base, extended upwardly therefr... | 11/16/2010 |
| 7722013 | Combination double bottom block The invention relates to a combination double bottom hook block in which two pulley blocks (2, 3) each with a plurality of pulleys are connected to one another by means of a rocker (1), a load hook being mounted in a pivotable manner on the rocker. If ... | 05/25/2010 |
| 7641177 | Force transfer assemblies Force transfer assemblies are provided for transferring forces from tensionable members to receiving structures. The assemblies may include nested thimbles that transfer respective forces from respective tensionable members to receiving structures such as cylindrica... | 01/05/2010 |
| 7614611 | Sheave and sheave system A sheave comprising: a sheave body, the sheave body comprising: a groove; a sheave body outer diameter; a sheave body inner diameter; a sheave sleeve fixedly attached to the sheave body inner diameter, the sheave sleeve comprising: a sleeve bore; a sleeve outer diam... | 11/10/2009 |
| 7484715 | Modular lift assembly having telescoping member A modular lift assembly configured for attachment between two substantially parallel support beams includes a chassis, at least one lift component attached to the chassis, a telescoping stiffener, and at least one attachment assembly. The chassis has a plurality of ... | 02/03/2009 |
| 7469882 | Hook-type bottom block The present disclosure relates to a hook-type bottom block for a crane, preferably a mobile crane, comprising a lower part to which the hook is fastened in a rotatable and tiltable manner and an upper part in which rollers are supported via which at least one hoist ... | 12/30/2008 |
| 7438281 | Pulley for assisting in the take-up or deployment of a heterogeneous system A pulley for assisting in the deployment or take-up of a heterogeneous system including modules configured to be placed or being placed in an environment. These modules are connected via connecting members and the pulley is configured to be mounted rotatably on a sh... | 10/21/2008 |
| 7389973 | Tensioning systems and methods for line spooling A line tensioning system for regulating tension on a line having a proximal end and a distal end, where the proximal end is operatively connected to a drum. The line tensioning system comprises a frame, a first and second sets of rollers, and first and second sets o... | 06/24/2008 |
| 7364136 | Hoist assembly A hoist assembly for raising and lowering a load uses a plurality of flat tensile members and spool drums. A modular hoist system can be adapted to various configurations by mounting a plurality of hoist assemblies in combination. ... | 04/29/2008 |
| 7347411 | Splaying snatch block A snatch block for facilitating the movement of loads in loading or unloading operations includes a sheave, two side sections and a top section. The top section is releasably coupled to at least one of the side sections and pivotable with respect to at least one of ... | 03/25/2008 |
| 7255330 | Field adjustable bridge crane block A field adjustable block for use with a bridge crane having a rotating cylindrical drum for rope. The block includes a cylindrical center pin having a key way recess parallel to an axis of the center pin. An inner side plate has an opening therethrough and an extend... | 08/14/2007 |
| 7086433 | Tree felling assembly An assembly for felling a segment of a tree trunk in a safe and controlled manner and method of using the same. The assembly comprises a vertical support structure having an elongated base portion, an elongated mast portion connected to the base portion or integrall... | 08/08/2006 |
| 6966546 | Lower block for a cable actuator The invention concerns a cable block, especially a lower block for cable controls, with at least one cable roller enclosed by a shrouding cover with entry and exit openings for a carrying cable, wherein a cover element is inserted in the entry and exit opening, havi... | 11/22/2005 |
| 6908074 | Device for changing the rigging of the pulley blocks of a crane The device enables a switch from the pulley blocks being rigged with one strand to the pulley blocks being rigged with two strands and vice versa. The jib tip has a pulley moveable along its axle between a central position, when the blocks are rigged with one strand... | 06/21/2005 |
| 6755393 | Drive sheave of elevator In an elevator drive sheave, positioning of divided segments in a circumferential direction relative to a sheave body and transmission of torque between the sheave body and the divided segments are performed by a torque transmission mechanism having a plurality of k... | 06/29/2004 |
| 6626266 | Elevator system occupying reduced area An elevator system includes a cage hoisted by a rope; a counter weight hoisted by the rope; a traction machine in the elevator shaft and higher than a cage stopping position at the uppermost floor, having a driving sheave around which the rope is passed, ... | 09/30/2003 |
| 6405833 | Flexible flat rope sheave assembly with separate shoulder and flange surfaces having varying friction properties A segmented elevator sheave assembly has independently variable shoulder and crowning elements for use with flexible flat ropes in an elevator system. This enables selection of high-traction surface finish and crowning for the sheave groove that contacts ... | 06/18/2002 |
| 6386516 | Sheave block with retractable sheave guards A sheave block for use with a wireline includes first and second opposing walls and a shaft extending therebetween. At least one grooved sheave is disposed on the shaft, each sheave being engageable with the wireline. At least one retractable sheave guard... | 05/14/2002 |
| 6386324 | Elevator traction sheave A tension member for an elevator system has an aspect ratio of greater than one, where aspect ratio is defined as the ratio of tension member width w to thickness t (w/t). The increase in aspect ratio results in a reduction in the maximum rope pressure an... | 05/14/2002 |
| 6282839 | Cable-actuated window lifter A cable deflection pulley pertaining to a window lifter comprising a drive unit, a guide rail for a driver which is connected to the window and to the cable, and cable deflection pulleys with a guide or bearing groove for the cable. The device has an axia... | 09/04/2001 |
| 6189867 | Load-handling device A load-handling device comprising a pair of pulley assemblies each having a body, at least one pulley supported by the body, and having a peripheral outer surface, a rope secured at one end to a support structure and entrained about each of the outer surf... | 02/20/2001 |
| 6112732 | Compound archery bow A compound bow carries eccentrics, each of which has a non-circular string groove with a geometric center removed from the axis of the eccentric and a take-up groove which is out of registration with the string groove about substantially the entire periph... | 09/05/2000 |
| 6056274 | Boat hoist apparatus An apparatus for selectively raising, storing, and lowering a recreational water craft that includes a first cable. The first cable is attached at one end to a winch for selectively shortening or lengthening the first cable. The first cable is attached at... | 05/02/2000 |
| 6041476 | Inverted block and tackle window balance Pulleys of a block and tackle window balance include hub steps that interact with other components to reduce the introduction of dirt and dust particles into areas vulnerable to wear. The hub steps of some of the pulleys are recesses formed about the axia... | 03/28/2000 |
| 5996970 | Motorized assist counterweight system for theatrical overhead rigging In a theatrical rigging system, a number of motors can be placed on platforms which can move upon rails to be connected to different theatrical rigging elements. The motors can be randomly attached to operate different overhead hanging devices.... | 12/07/1999 |
| 5792294 | Method of replacing sheave liner A sheave liner for an elevator system sheave that supports a hoist rope with an elevator car suspended therefrom is replaced without having to remove the hoist ropes and without having to hang the elevator car by means other than the hoist ropes. The exis... | 08/11/1998 |
| 5645269 | Sheave cable guarding and guiding device A safety device for cable sheave installations, which provides cable guide assemblies which block hands and the like from being drawn in to be injured between moving cables and sheave wheels. The cable guide assemblies are pivotally attached to the outsid... | 07/08/1997 |
| 5373605 | Lateral travel windshield wiper with speed multiplication An elongated track receives and supports a movable wiper arm carriage having a windshield wiper extending therefrom. A plurality of pulleys couple the wiper arm carriage to an oscillatory drive mechanism having a reciprocating carriage. The pulley and cab... | 12/20/1994 |
| 5226507 | Roping method of an elevator An elevator is provided having a car, with a ceiling defined by a width and a depth, a counterweight, a plurality of ropes, a pair of first sheaves, a pair of second sheaves, and a pair of third sheaves. The car and the counterweight are connected by a pl... | 07/13/1993 |
| 5154401 | Corrosion free high load marine blocks A high strength, low friction, corrosion free block for marine environments includes a fixed or swivel head, shackle and a ground and polished axle all composed of 17-4 ph stainless steel sandwiched between titanium/titanium alloy side cheeks. One or more... | 10/13/1992 |
| 5145075 | Boom point construction A boom point construction connects the for and aft mountings of a sheave swivel to the major structural elements of a boom. The boom point includes a framework of elongated members joined together to form a truss. The framework includes assemblies of at l... | 09/08/1992 |
| 5112933 | Ether-based polyurethane elevator sheave liner-polyurethane-urea made from polyether urethane prepolymer chain extended with polyester/diamine blend An ether-based polyurethane article comprises a toluene diisocyanate-terminated polyether polyol prepolymer cured with a blended polyester polyol/diamine curative. The article may be made by mixing a toluene diisocyanate-terminated polyether polyol prepol... | 05/12/1992 |
| 4973795 | Temporary transmission hot line crossarm and method of replacing transmission hot line crossarms Apparatus for and a method of using a temporary transmission hot line crossarm to replace or repair an existing transmission hot line crossarm. The apparatus includes parts to support energized transmission line conductors and parts which support the appa... | 11/27/1990 |
| 4806066 | Robotic arm A robotic arm and control system comprising a multi-axis, open-loop system of coupled structural members, wherein each structural member is pivotably coupled to one another to form a number of joints, wherein position calibration is provided by way of pos... | 02/21/1989 |
| 4721285 | Cable drive system including apparatus for controlling normal force applied to cable A cable drive system for driving a cable includes a rotatable inflatable member. Sets of guide rollers are positioned about the periphery of the inflatable member, and each of the sets of rollers includes at least two rollers for guiding the cable to main... | 01/26/1988 |
| 4574789 | Gravity relief apparatus A handy, compact and easily transportable apparatus for relief of intervertebral discs and for stretching of the vertebrae and the hip joints by means of gravity, having a support element suspendable on a door, a wall or the like, and a suspension device ... | 03/11/1986 |
| 4502570 | Drive system for wire rope hoists A hoist cage is supported by a loop of rope extending around a drive sheave and an idler sheave respectively positioned at the ends of the hoist cage path and attached to the hoist cage by attachment of separate ends of the loop to separate drums rotatabl... | 03/05/1985 |
