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A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.
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| Number | Title | Issue Date |
| 7163112 | Material transloading equipment The invention concerns a material transloading equipment unit with an undercarriage and a turntable connected with this undercarriage by means of a track ring, on which an arm that can be pivoted by means of at least one hoisting cylinder is pivot-mounted. According... | 01/16/2007 |
| 7070061 | System for controlling movements of a load lifting device The invention relates to a system for controlling movements of a load lifting device on a horizontal plane whereby the load lifting device (6) comprises a vertically oriented carrier element (14). The vertical orientation of said carrier element is at ... | 07/04/2006 |
| 7044315 | Telescopic boom of a crane The within invention concerns a telescopic boom of a crane with a pivot section, telescoping sections that telescope out of the pivot section, and bracing that has at least one guy support housed on one of the sections and a guy cable supported on one of these guy s... | 05/16/2006 |
| 7028856 | Crane control apparatus and method This crane control apparatus and method with swing control and variable impedance is intended for use with overhead cranes where a line suspended from a moveable hoist suspends a load. It is responsive to operator force applied to the load and uses a control strateg... | 04/18/2006 |
| 6669039 | Loading crane and its control system A control system for a loading crane provided with a control site, the control system consisting of a control site for a crane operator, a directional control valve positioned external to the control site and arranged to control a hydraulic system of the ... | 12/30/2003 |
| 6312211 | Semi-automated load balancing mechanism A semi-automated load balancing mechanism includes a load balancing arm supported for vertical swingable movement and a second arm. The second arm is mounted on a distal end of the load balancing arm for horizontal movement. The second arm has a part hold... | 11/06/2001 |
| 5138953 | Transportation device with a load carrier suspended movably from a rail for a suspended load The object of the invention is a transportation device (1) with a load carrier (3) having on its upper side supports (6) running vertically upwards. Rollers (9, 10) are provided on the ends of the supports, with which the load carrier (3) is attached in s... | 08/18/1992 |
| 5035336 | Compact collapsible manhole cover lifter A manually actuated, hydraulic manhole cover lifter (10) comprises a frame (12) mounted on wheels (58) and adapted to straddle a manhole. An actuator (30) is mounted on the frame. The actuator comprises a cylinder (36) connected to a pump (34). A magnet (... | 07/30/1991 |
| 5034892 | Apparatus for suppressing vibratory or quaky movements of mobile type crane An apparatus for suppressing vibratory or quaky movements in travel of mobile type cranes, which facilitates the operation of re-starting the vehicle after temporarily stopping the engine, for example, at a gas station for fuel replenishment as well as op... | 07/23/1991 |
| 5007544 | Mechanism for suppressing displacement of travelling crane According to the displacement suppressing mechanism for a travelling crane of the present invention, when a mode selection switch selects an operation mode and a detected value by a boom position detecting means is smaller than a lower limit value of an a... | 04/16/1991 |
| 4995517 | Mechanism for suppressing vibrations of travelling crane A mechanism for effectively suppressing vibrations in travel of mobile type crane includes; a boom lifting hydraulic cylinder connected between a vehicle body of the mobile crane and a boom; a main hydraulic pump; a direction control valve for supplying t... | 02/26/1991 |
| 4969562 | Apparatus for suppressing quaky movements of mobile type crane An apparatus for supressing vibration and quaky movements of a pivotally mounted boom on a mobile crane. The boom is supported for pivotal movement by a hydraulic cylinder which is subjected to abrupt forces when the crane is in motion. A hydraulic circui... | 11/13/1990 |
| 4953723 | Apparatus for suppressing quaky movements of mobile cranes An apparatus for damping quaky movements of a mobile type crane includes the prohibition of the formation of a closed damping circuit through the opposing oil chambers of a boom uplifting cylinder in working mode or a crane operation in travel mode of the... | 09/04/1990 |
| 4792052 | Apparatus for controlling the number of revolutions of an engine An apparatus including a grip sensor for controlling the number of revolutions of an engine. The grip sensor detects whether or not fingers of an operator approach toward the grip sensor or the former come in contact with the latter. Usually, the grip sen... | 12/20/1988 |
| 4789072 | Hydraulic manhole cover lifter A manually actuated, hydraulic manhole cover lifter (10) comprises a frame (12) mounted on wheels (58)and adapted to straddle a manhole. An actuator (30) is mounted on the frame. The actuator comprises a cylinder (36) connected to a pump (34). A magnet (5... | 12/06/1988 |
| 4730743 | Hydraulically operated bridge crane A bridge-crane structure wherein major structural components to sustain loads imposed upon the span are also major functional components of hydraulically controlled hoist mechanism of the crane. Specifically, closed upper and lower elongate cylinders are ... | 03/15/1988 |
| 4730543 | Closed center hydraulic valve control system for aerial lift Apparatus for controlling operation of an aerial lift having a boom. A hydraulic fluid pump is connected to a hydraulic cylinder, and the control arrangement controls the supply of hydraulic fluid from the hydraulic fluid pump to the cylinder and controls... | 03/15/1988 |
| 4610365 | Hoisting means including constant tension hoist wire Hoisting arrangement having a boom or a crane with two separately driven hoist wires each with its individual cargo hook. The cargo hooks along with the hoist wires are used for various lifting operations. The hoist wires and a topping wire are operated b... | 09/09/1986 |
| 4566599 | Telecontrol system for cranes A control for a crane having a plurality of pressure-activated clutches with a control panel in the cab on a swingable upper works. A lightweight portable control panel is connected by an umbilical cord to the rotating joint and a switch selectively conne... | 01/28/1986 |
| 4344497 | Override control for axle locking apparatus of mobile crane A pair of hydraulic locking cylinders for a vertically oscillatable wheel axle on the carrier frame of a mobile crane are interconnected and controlled by a hydraulic double-locking valve which is responsive to the centered or off-centered rotary position... | 08/17/1982 |
| 4154316 | Apparatus for changing axle loads of a crane vehicle combination A load changing apparatus decreases the load on a supporting trailer and increases the load on the axles of main drive vehicle of a crane when desired. The crane's hydraulic system includes a two position valve which cuts off the flow of hydraulic fluid f... | 05/15/1979 |
| 4091934 | Swivel mounted pump with integral valve means A swivel mounted pump apparatus for a mine crane is provided having an integral fluid-flow control valve incorporated in the swivel mounting structure. The pump mechanism is a hand operated fluid pump which is mounted on an upright supporting spindle for ... | 05/30/1978 |
| 4039085 | Crane with a pivoted boom and a float valve therefor A crane is disclosed having hydraulic means for boom elevation control which is provided with a load-holding check valve and a float valve interposed therebetween. The float valve is intentionally operable to a float position establishing fluid communicat... | 08/02/1977 |
| 3938669 | Hydraulic circuit for a pipelayer A pipelayer comprising a tractor vehicle having an extensible boom pivotally mounted to the vehicle and extended to one side thereof is provided with a hydraulic circuit for performing all operations of the boom and accessories. The hydraulic circuitry co... | 02/17/1976 |
