Bizarre Patents
An automatic bed maker which uses the expansion of inflatable bladder to straighten, align, and tuck-in bed-cover assembly.
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 |
| 4813814 | Leg-holding device for offshore platform An offshore platform provided with several supporting legs ascending and descending vertically and installed in a specified place on the sea by lowering the supporting legs onto the seabed after being towed to the specified place. Each of the supporting l... | 03/21/1989 |
| 4811930 | Overhang arms for rack and pinion jack of a lifting and depositing device for transportable large containers or the like Lifting and depositing devices for transportable large containers should be dismountable into individual parts of relatively low weight per part for simplification of their handling. So that this is also true of relatively long overhang arms of the rack a... | 03/14/1989 |
| 4792121 | Lifter A device for lifting and positioning a heavy object, comprising a base, a pair of arcuate arm moving rack gears, a pair of arms rotatively affixed to the arcuate rack gears, a pair of arm moving pinion gears fixed to an axle rotatively affixed to each arm... | 12/20/1988 |
| 4662787 | Locking device for locking off-shore work platform to leg chord used for lifting work platform A device for locking the vertical position of a leg relative to an off-shore work platform having a vertical rack with angular teeth and a lock body with mating angular teeth. The lock body is positioned between a pair of upper and lower wedge members ada... | 05/05/1987 |
| 4655640 | Advancing mechanism and system utilizing same for raising and lowering a work platform A rack (16) extends along a support column (12) for a work platform (10) which is guided for up and down movement along the support column (12). A pair of independently movable supports (32, 34) are provided. A separate extendible/retractable hydraulic cy... | 04/07/1987 |
| 4627768 | Locking device for oil platforms The locking device for a self-raising oil platform comprising a shell (1) mounted to be movable along legs (2) by means of raising mechanisms comprising output gear pinions cooperative with racks (3) mounted on at least a part of the length of the legs (2... | 12/09/1986 |
| 4538938 | Adjustable locking chock system The chock system has a plurality of teeth that are moveable individually generally parallel with a leg rack of a jack-up rig unit for pre-locking alignment with the rack teeth pitch, and as a group into and out of locking engagement with the leg rack so t... | 09/03/1985 |
| 4512553 | Jack-up unit A jack-up unit for use in a body of water, said unit comprising a floatable hull, a plurality of legs, said legs being suitable for contacting a solid surface and for supporting said hull in an elevated position relative to the surface of said body of wat... | 04/23/1985 |
| 4500072 | Low profile jack construction A mechanical jack construction is provided comprising a load-bearing rack which is adapted to be moved in the vertical plane by an engaging pinion. The pinion is connected to a lever-driven ratchet wheel by means of shear pins. Application of an excessive... | 02/19/1985 |
| 4497591 | Advancing mechanism and system utilizing same for raising and lowering a work platform A rack (16) extends along a support column (12) for a work platform (10) which is guided for up and down movement along the support column (12). A pair of vertically spaced apart pinion wheels (56) engage the rack (16). Each pinion wheel (56) is mounted o... | 02/05/1985 |
| 4472083 | Oil well rig with water tower An oil well rig having a flotatable hull and support legs which are lifted and supported by the floating hull for moving the oil well rig and moved down to engage the sea bottom and jack up or raise the hull above the water at an operating site for drilli... | 09/18/1984 |
| 4456224 | Jacking mechanism for self-raising ocean platforms The present invention pertains to self-raising ocean platforms which possess multiple legs and multiple jacking mechanisms of the double rack and pinion type with opposite sets of teeth. In accordance with the invention, each double rack 4 contains sets o... | 06/26/1984 |
| 4453858 | Safety device for marine platform The present invention concerns marine platforms designed for carrying out drilling operations at sea. More precisely, it concerns platforms equipped with a number of retractable pads, which, in the retracted position, allow the platform to be moved by flo... | 06/12/1984 |
| 4443000 | Flexible couplings for mechanical jacking devices used in the installation of marine platforms The present invention applies to those auto-elevating marine platforms, as for deep-sea drilling and the like, outfitted with a number of legs and a number of associated jacking mechanisms of the rack and pinion type set with the rack's teeth in oppositio... | 04/17/1984 |
| 4431343 | Leg clamping device for jack up platform A leg clamping device for a jack up platform having legs extending through the platform and a rack attached to each of the legs therealong and meshing with a drive pinion mounted on the platform. The leg clamping device comprises a plurality of clamp piec... | 02/14/1984 |
| 4387881 | Barge jacking apparatus For use with an offshore drilling barge, a jacking apparatus is disclosed which utilizes racks mounted on the leg to be elevated, there being two or more racks on each leg, and the racks are equipped with teeth and spaces where teeth are omitted. There is... | 06/14/1983 |
| 4386757 | Marine platform lifting device A device for controlling the relative vertical movements between the bridge and the feet of a marine platform, including racks cut in uprights fixed to the feet, and locomotor units each comprising a frame equipped with pinions driven in rotation by motor... | 06/07/1983 |
| 4354375 | Tool for operating wall anchors Various forms of tools are disclosed for effecting reciprocal movements between jaw members to be located between and exerting opposing thrusts on the flange and bolt head of a hollow wall anchor. For such an anchor driven through a plaster wall or wallbo... | 10/19/1982 |
| 4292732 | Applicator for metal strain relief clamp The present invention relates to a tool having a hand operated lever operative with one lever stroke to pivot the tool into position on a work station, to insert a multiple conductor cable in between a pair of clamping and gripping jaws of a metal clamp o... | 10/06/1981 |
| 4279553 | Machine tool column mount A column mount is provided which is particularly useful in a machine tool capable of being assembled to perform either horizontal or vertical machining operations. The mount includes an adjustably movable support member for reciprocating a tool bit head a... | 07/21/1981 |
| 4269543 | Mobile, offshore, self-elevating (jack-up) unit leg/hull rigidification system A system for making a "jack-up" rig with its jacked-up legs and hull rigid and fixed together by the use of "rack chock" elements which are designed to absorb the maximum axial chord loadings on the legs and transmit them directly into the hull. The "rack... | 05/26/1981 |
| 4269392 | Jack mechanism A pair of spring connected jack members have opposed faces. One of such members has one or more longitudinally extending ramps engageable by pinion gears or the like secured on cross shafts movable freely between the two jack members. Also supported on th... | 05/26/1981 |
| 4253790 | Car for carrying large vessels A car for carrying large vessels, such as a tundish used in continuous casting, wherein the vessel is raised and lowered while supported on the car. The car embodies a raising-and-lowering mechanism which includes only two synchronized fluid-pressure cyli... | 03/03/1981 |
| 4203576 | Elevating assembly for an offshore platform A jacking assembly for a leg of a jackup offshore platform includes driving assembly and a movable carriage. The driving assembly includes a pair of counterrotating pinions spaced to receive a double-toothed gear rack of the carriage. The driving assembly... | 05/20/1980 |
| 4190135 | Gear rack hoist A gear rack hoist for lifting, lowering and/or holding containers or the like having upper and lower corner fittings that are adapted to be engaged by conical parts of two beams mounted in spaced relation on a hoist shaft. The beam associated with the low... | 02/26/1980 |
| 4160538 | Leg structure for jack-up platform with single point jacking A trussed leg structure for use in jack-up mobile offshore platforms of the type that include a plurality of support legs extending into the water down to the ocean floor with jacking units engaging each leg to raise and lower the platform structure relat... | 07/10/1979 |
| 4133222 | Remote controller An improvement is provided for a mechanical push-pull, ball-bearing, remote controller. A basic controller of this type is commercially available and includes an elongate center race to which force is applied, two outer races, at least one of which is anc... | 01/09/1979 |
| 4083530 | Elongatable telescoping support An elongatable telescoping support, e.g. for use as a vehicle jack, comprises an outer prismatic tubular support and an inner prismatic tubular support telescopingly received in the outer support. A head is formed at the mouth of the outer support bar and... | 04/11/1978 |
| 4061168 | Log splitting device This invention provides a useful and inexpensive log splitting device, especially suited for home use, comprising jack means having a platform block mounted upon the jacking mechanism and a wedge block mounted fixedly upon the jack post, wherein, when a l... | 12/06/1977 |
| 4036475 | Device for installing ceiling insulation A device for positioning insulation for attachment to roof structures having a lifting assembly for lifting an insulation support rack with an insulation bundle release mechanism.... | 07/19/1977 |
| 4022429 | Lifting apparatus A lifting apparatus wherein a cone rack mechanism having cone pieces interlocked to driving gears is driven by such driving gears, which are connected and controlled by a special friction clutch mechanism, a latch mechanism, and a centrifugal brake, for c... | 05/10/1977 |
| 4015434 | Leg and guide construction for use in jackup barges An improved leg construction is disclosed for jackup barges. The barge leg is typically of triangular construction. The members of a leg including the three verticals extending along the leg are preferably constructed of tubular members. The vertical tubu... | 04/05/1977 |
