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| Number | Title | Issue Date |
| 7114693 | Stable cell platform A stable platform supports a cell, the stable platform comprises a lower mainframe, an upper mainframe, and a dampener system. The upper mainframe includes a plurality of recesses. Each recess is configured to receive a cell. The dampener system connects the lower m... | 10/03/2006 |
| 7100709 | Feed table pivot pin constraining device A restraining arrangement for limiting the separation of a feed table having a pivot pin and a positioner block of a mobile track drill. The restraining arrangement includes a first constraint device positioned on the positioner block and a second constraint device ... | 09/05/2006 |
| 6227357 | Air lift device The invention is a device, such as a chute or a conveyor belt, for receiving and transferring work pieces in a factory, mounted on a set of legs with lockable wheels at the bottom of each leg. Each leg is equipped with an hydraulic extension unit that is ... | 05/08/2001 |
| 5884852 | Agricultural vehicle with spring suspension of a boom A suspension system for a boom of an agricultural particulate material distribution system comprises an inclined strut extending from the boom upwardly and inwardly to a suspension element at the tank. The suspension element comprises a plate attached to ... | 03/23/1999 |
| 5865063 | Three-axis machine structure that prevents rotational movement A three-axis machine control structure includes a support structure and a machine component to which a workpiece or tool can be attached. Three control arms are connected between the machine component and the support structure. Preferably, each control ar... | 02/02/1999 |
| 5832676 | Disaster restoral pop-up structure A structure having dimensions for transportation on an airplane, and which when assembled into a module has sufficient headroom for an average height person. The structure includes two portions, a top portion and a bottom portion. The top portion fits ove... | 11/10/1998 |
| 5779216 | Power tool torque and weight balancing apparatus An improved power tool torque and weight balancing apparatus for use in in-line assembly processes that require power tools, such as in the assembly of automotive engines. The power tool and weight balancing apparatus consists of a pivoting mounting frame... | 07/14/1998 |
| 5771747 | Machine having an adjustable framework and an internal multi-axis manipulator A multi-axis machine is disclosed. The machine includes an adjustable external framework having a pair of support structures connected by a plurality of servostruts. A multi-axis manipulator is attached to one support structure and may be designed to carr... | 06/30/1998 |
| 5538216 | Support device of a laying vehicle, especially of a track-laying vehicle A support device of a laying vehicle such as a track laying vehicle includes a vehicle pan providing a support surface, the support surface having a central plane, a support shield for engaging the ground, a first guide element hingedly connected between ... | 07/23/1996 |
| 5538373 | Machine tool vibration isolation system A machine tool isolation system is disclosed. The preferred system includes a pair of platforms connected by a plurality of legs. A tool is typically connected to one platform, and a workpiece to the other. The legs are able to move one platform with resp... | 07/23/1996 |
| 5500094 | Coke drum deheading device A vessel unheading device and method especially suited to handle shot coke produced in a delayed coker unit of a petroleum refining process. The device includes a car having mounted thereon one or more bottom head retracting support members which can be l... | 03/19/1996 |
| 5489168 | Metrology instrument arm system The present invention relates generally to a metrology framework for determining the position of a first object, such as an operator, relative to a second object when the first object is moved relative to the second object. The metrology framework compris... | 02/06/1996 |
| 5354158 | Six axis machine tool A machine such as a machine tool includes a pair of spaced platforms. One platform (11, 31, 185, 72, 159, 142) may mount an operator such as a tool in a spindle and the other platforms (10, 20, 180, 170, 144, 163) may mount an object such as a workpiece. ... | 10/11/1994 |
| 5245780 | Automatic outrigger control An outrigger device is provided for automatically controlling outriggers on a fishing boat. The device comprises three strut members connected to a side surface on a fishing boat at given points. Two of the strut members will be of variable length, while ... | 09/21/1993 |
| 5156219 | Positioning apparatus for drawn implement Apparatus for guiding a drawn agricultural implement of the type which has a transverse tool bar and a pull hitch. The apparatus controls the horizontal angular orientation of the tool bar relative to the pull hitch to guide the implement.... | 10/20/1992 |
| 5114300 | Robotic apparatus A robotic structure having a low mass, capable of providing seven degrees of freedom, and movable in a hemispherical workspace. The robotic structure includes several platforms connected by actuatable longitudinal members and movable joints made of inters... | 05/19/1992 |
| 5028180 | Six-axis machine tool This invention relates to a six-axis machine for locating an operator with respect to an object, and more particularly to a versatile machine tool in which the tool can be moved in three lineal directions and three rotational directions in relation to the... | 07/02/1991 |
| 4988244 | Six-axis machine tool A machine includes a pair of spaced supports, one of which may mount an operator such as a tool in a spindle and the other of which may mount an object such as a workpiece. The spaced platforms are joined by six powered and extensible legs joined to the r... | 01/29/1991 |
| 4799556 | Drilling boom A drilling boom has an articulated arm 12 which carries a drill feed beam 28 on its outer end. Apart from the articulation 36, 38 provided by the joint at the outer end of the arm, the feed beam can rotate about two mutually perpendicular axes at the end ... | 01/24/1989 |
| 4762459 | Industrial robot An expandable and contractable robot arm is vertically provided on a machine base through a first universal joint, with X and Y horizontal axes being defined passing through the center of rotation of the joint crossing each other at right angles and a ver... | 08/09/1988 |
| 4706923 | Resilient mounting of a centrifuge A resilient mounting of a centrifuge that is a pneumatic one is made in a stand between the subsurface and supporting frame of the centrifuge by means of at least three vibration insulating units, each of which is provided with at least one pneumatic spri... | 11/17/1987 |
| 4696197 | System for counterbalancing tool mount loads in a machine tool The invention is a system to counterbalance the static torque produced by a weight mounted to a beam member which in turn is rotatably mounted to a frame member, the beam member rotatable about the axis of rotation which is substantially aligned with the ... | 09/29/1987 |
| 4667354 | Tilting upper body support patient trolley A patient trolley has a tiltable upper body support which is hydraulically lifted to a raised "heart" position and which is immediately lowered by a quick release valve so that a patient may be quickly treated in a horizontal position. Two cylinders are m... | 05/26/1987 |
| 4629526 | Method of and means for replacing corrugating rolls in a single facer Disclosed herein is a method and means for replacing upper and lower corrugated rolls in a single facer having a cassette frame for rotatably supporting the upper and lower rolls and a main frame to which the cassette frame is detachably connected. The me... | 12/16/1986 |
| 4594824 | Telescoping tower for floodlighting equipment and the like A telescoping mast assembly for floodlighting equipment or other apparatus is arranged to be raised by admitting pressurized fluid to the interior of the assembly and lowered by releasing the fluid. The assembly is constructed of light metal, such as alum... | 06/17/1986 |
| 4514796 | Method and apparatus for controlling the position of a hydraulic boom A method is set forth for controlling the orientation of an articulated boom of the type having a first portion and a second feed arm portion such that the first portion remains parallel to a predetermined position during movement of the articulated boom.... | 04/30/1985 |
| 4473214 | Luffing jib for construction crane A massive crane luffing jib is held and loaded under compression atop the main crane boom such as a hydraulically extensible and retractable telescopic boom whose sections may be locked for safety. The luffing jib is pivoted to an adapter atop the boom to... | 09/25/1984 |
| 4415304 | System for floatingly supporting a load A heavy and elongate recumbent load, such as a missile, is floatingly supported by two pairs of hydraulic pistons engaging it forwardly and rearwardly of its center of gravity, the pistons of each pair being oppositely inclined at 45° to the horizontal. ... | 11/15/1983 |
| 4380842 | Tool support apparatus Tool support apparatus having a frame mounted on wheels and motors for driving the wheels to move the frame. A ram tube carrying different tools at its lower end supported in a cylinder mounted on an oscillator bracket which cooperates with an oscillator ... | 04/26/1983 |
| 4364540 | Support-arm assembly for a drill or borer, particularly for subterranean applications A mining drill comprising a rail along which a mining drill head is slidably rectilinear, this rail being carried by a hydraulic motor pivotally connected to a rotary head at the end of an arm swingable about a pivot axis which is generally horizontal and... | 12/21/1982 |
| 4360182 | High-agility reflector support and drive system An apparatus for mounting a device defining a mounting plane so as to be ectively rotatable about mutually perpendicular axis with respect to a base member defining a base plane. The first axis is defined by a transverse pin fitted to the gimbal and rota... | 11/23/1982 |
| 4344599 | Rock drill boom structure A rock drill boom structure comprises a support means, an elongated boom swingably carried by the support means and a feed beam on which a rock drill is mountable so as to be power displaceable therealong, the feed beam being carried by one end of the boo... | 08/17/1982 |
| 4327633 | Ham skinning apparatus A skinning apparatus includes a suspension device and a skinning device suspended by the suspension device for easy manipulation by an operator in removing the skin from the ham area of a hog carcass which is suspended from an overhead support. The skinni... | 05/04/1982 |
| 4290239 | Tool positioner A tool positioner has a main support defining a pair of main pivot axes and ncluding a guide. Respective main cranks have inner ends pivoted at the main pivot axes on a support and outer ends pivoted to ends of respective links whose other ends are pivoted... | 09/22/1981 |
| 4284368 | Vehicle with dual drill booms and temporary roof support A mining vehicle has a body with a center boom extending forwardly from the body. A temporary roof support is mounted on the outer end of the center boom. The roof support has a base, a telescopic column, and a cross beam on top of the column with auxilia... | 08/18/1981 |
| 4265147 | Working pit with articulated tool arm assembly A working pit with an articulated tool arm assembly is provided for an automobile assembly line. A tool carried by the arm assembly is used to perform assembly operations in an automobile moving either longitudinally or transversely along the line. The ar... | 05/05/1981 |
| 4264051 | Laterally adjustable multiple head Drilling equipment comprises a single boom supporting a plurality of drilling masts each provided with a drilling machine, adjustment means being provided to simultaneously adjust the relative positions of the drilling masts.... | 04/28/1981 |
| 4233119 | Ascension pipe and elbow cleaning apparatus An improved cleaning apparatus for the removal of carbonaceous deposits from the inner surfaces of the ascension pipe elbows and ascension pipe employed on coke ovens. The cleaning apparatus is comprised of a base support, a movable support and a cleaning... | 11/11/1980 |
| 4232850 | Drill boom arrangement A hydraulic drill boom arrangement for drifting and tunnelling comprises a boom proper (10) that is universally pivotably carried by a support plate (13) and carries a feed beam (40) for a rock drill (41) at its outer end. Two hydraulic cylinders (16, 17)... | 11/11/1980 |
| 4232849 | Drill boom arrangement A drill boom arrangement comprises a boom proper (10) that is universally pivotably mounted on a support plate (13). The boom is swingable by means of two hydraulic cylinders (16, 17) that are coupled between the support plate and the boom to form a tripo... | 11/11/1980 |
