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6718200 |
Wearable body-fat sensor
A wearable garment having an electrode and sensors mounted in a predetermined position relative to the wearer's skin provides a quick and efficient way to measure the body-fat composition of the...
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6101436 |
Vehicle occupant weight estimation apparatus having fluid-filled multi-cell seat bladder
An improved weight estimation apparatus in which a closed, multiple cell elastomeric bladder filled with fluid is installed in the foam cushion of a vehicle seat bottom, with at least one pressure...
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6089106 |
Force sensor assembly
Several force sensor assemblies are disposed within a vehicle seat to determine seat loading and assist in safety device activation. Each force sensor assembly has a sealed body filled with a...
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6058341 |
Vehicle occupant weight estimation apparatus having controlled volume seat bladder
A weight estimation apparatus for the passenger seat of a motor vehicle, in which a single bladder substantially encompassing the seat bottom is evacuated and then inflated with a known volume of...
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5984349 |
Low profile hydraulic seat weight sensor
A hydrostatic weight sensor comprises one or more fluid containing bladders in fluid communication with one another and with a pressure sensor, each constructed from a plurality of sheets of...
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5957491 |
Seat weight sensor having fluid filled bladder
A seat weight sensor incorporates a fluid containing bladder placed in series with the load path in the seat, whereby a load applied to and distributed across the bladder increases the pressure of...
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5904219 |
Vehicle seat air bladder pressure sensor
An air bladder type pressure sensor for a vehicle seat includes an integral pressure reservoir and interconnecting valves to keep the sensor membrane automatically properly inflated. An air pump...
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5234065 |
Portable weight measuring device
A portable weight measuring device including a plurality of flat, flexible generally nonelastic fluid-containing bladders arranged edge to edge and interconnected by flexible tubes for fluid flow...
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5170856 |
Weighing scale with fluid pressure transmission means
A weighing scale of the type comprising a scale is disclosed wherein the weighing scale is table for bearing the thing to be measured; a first hydraulic cylinder disposed below the scale table; a...
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5167289 |
Air spring load monitoring system
An air spring load monitoring system provides a vehicle operator with an on-board visual display of the load distribution imposed on each axle from front to rear of a truck and trailer, and...
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4697656 |
Device for weighing individuals on a toilet seat
The weighing device comprises at least a force sensor (1,2,3) integrated in a toilet seat (4) resting on the upper edge of the bowl (11); the sensor works with an electronic unit (6) comprising...
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4673049 |
Weighing device for weighing wheel loads
The weighing device for wheel loads has a platform (3) which distributes the load over a plurality of elongated hollow elements (2) disposed parallel with and at equal distances apart from and...
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4651838 |
Air spring control system and method
A method and system are set forth for determining the force necessary to separate a first and a second mass by using an inflatable member such as an air spring. More specifically, the invention...
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4606419 |
Truck mounted load scale
An air/hydraulic scale for use on a truck or trailer and having frame mounted hydraulic cylinders with piston rods contactible with a vehicle axle. Fluid expelled from the cylinders actuates a load...
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4588038 |
Load weight measuring method
In a measuring method of a load weight carried by a vehicle wherein the load weight is measured by subtracting the weight of vehicle when the vehicle is empty from the weight of the vehicle when it...
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4498550 |
Weight measuring apparatus with corrugated spring elements
A weighing scale (10) includes a base (12) with a connecting channel (14) disclosed therein. A layer (16) of elastically deformable material is disposed over this channel with longitudinal...
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4489798 |
Weight measuring apparatus with weight distributed along an array of longitudinal axes
A weighing scale (10) includes a base (12) with longitudinal channels (14) milled therein. A layer (20) of elastic deformable material is disposed over these channels with longitudinal rods (22)...
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4489799 |
Weight measuring apparatus with a distributed array of spring elements
A weighing scale (10) includes a base (12) with an array of cylindrical bores (16) disposed therein. A network of interconnecting channels (18) is formed on the lower surface of the base (12) with...
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4431072 |
Weighing device
A portable weighing scale device is disclosed for determining the axle load weight of a vehicle such as a semi-truck, trailer and the like. The weighing scale device includes a platform with tire...
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4366876 |
Hydraulic bellow type scale
A hydraulic bellow type scale comprises a scale body, a plurality of hydraulic bellows, a variable capacitor, an integrated circuit and a display unit. By means of the pressure in the hydraulic...
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4248046 |
Vent accumulator for hydraulic integrator
A vent accumulator for a hydraulic integrator of the type having at least three pistons arranged in end-to-end relationship within an elongated housing. Each piston is adapted to move under...
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4085810 |
Weight bearing treadle
An improved treadle for use in a compact, portable weighing scale comprising a load-bearing, pressure-developing displacement treadle connected to a volume-reacting, weight-indicating readout...
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4078624 |
Modular weighing apparatus
A weighing apparatus comprises a plurality of weighing apparatus modules, each of which includes an elongated platform structure under which lies an elongated frame structure. A load cell is...
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4036317 |
Apparatus for measuring loads
An apparatus for measuring loads with the use of a plurality of measuring points, for instance in motor vehicles, in which one load-supporting measuring element is placed at each measuring point...
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4007800 |
Force measuring device
A force measuring device comprises at least one gauge element which, at least, in some regions, is conceived as a spring element, the deformation of which changes the volume of liquid contained in...
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4002216 |
Portable scale
Portable scale comprises a platform supported by an air bag with the air bag connected to a pressure-reading device calibrated in weight so that, when a load is placed on the platform, the...
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3992946 |
Hydraulic weighing apparatus
A weighing apparatus comprises a plurality of hydraulic load cells each including a piston, a cylinder, and a flexible diaphragm of fluid impervious material sealed in the cylinder and overlying...
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3974491 |
Load signaling device for a patient's foot
A device for signaling a patient when a predetermined load is placed on the patient's foot comprises a resilient foot pad having a toe end and a heel end and adapted to substantially cover the...
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3933212 |
Weighing apparatus
Platform weighing apparatus combines a foundation frame, a two layer platform, and interposed load cells of highly restricted vertical dimensions. The load cells are interfitted within cut-away...
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3907112 |
Automatic machine for classifying eggs into weight categories
A system for classifying eggs according to weight which comprises apparatus incorporating a single weighing device equipped with a weight pick-up and means for determining the respective weight of...
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3812723 |
FORCE MEASURING WEIGHING DEVICE
A weighing device such as a U-tube densimeter for measuring the densities of liquids and producing indications of densities including a fluid pressure operated load or force measuring unit...
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3791375 |
DEVICE FOR SENSING AND WARNING OF EXCESSIVE AMBULATION FORCE
Warning of excessive ambulation force, for limiting the application of weight on a lower extremity, usually in the recovery from orthopedic surgery of the lower extremity, is accomplished by a...
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3777643 |
AREA SOURCE OF COLLIMATED LIGHT AND SCANNING MECHANISM
A method using a light source scanning and tilting table combination device or producing a silhouette pattern of a patient's extremities under weight bearing conditions. The collimated light source...
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3774704 |
PORTABLE HYDRAULIC LIVESTOCK SCALE
A collapsible scale having hydraulic pressure responsive cells in support of an animal weighing platform. Ramp components are detachable from the main portion of the scale as is an instrument stand...
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3765497 |
HYDRAULIC COMPRESSION LOAD CELL
A hydraulic compression load cell which includes interchangeable internal parts of different sizes to impart differing mechanical advantages adapting the cell to different load ranges, together...
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3724571 |
HYDRAULIC LOAD INDICATING DEVICE
A hydraulic device is interposed between the vehicle spring and a wheel support member of a motor vehicle suspension system. The device contains an expansible chamber that changes its volume in...
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3710880 |
LOAD WEIGHT INDICATING APPARATUS
Apparatus for indicating the weight of the load of a transport vehicle and having a plurality of units located between the load frame and support frame of the vehicle, each unit including a piston...
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3670576 |
TEMPERATURE COMPENSATOR FOR A PRESSURE GAUGE
A temperature compensator for a pressure gauge or the like, including a body having a first and second cylindrical cavity coaxial of each other and communicating with each other, a sensing port...
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3648791 |
PNEUMATIC TRUCK WEIGHING SCALE WITH ISOTABLE RESERVOIRS
A scale for weighing truck axle loads and the like includes a platform supported by four self-leveling air springs with four reservoirs in parallel with the springs. After the springs have been...
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3530949 |
HYDRAULIC WEIGHT TOTALIZING APPARATUS WITH ELECTRIC RE-BALANCING
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3587760 |
VEHICLE FOR TRANSPORTING AND WEIGHING METALLURGICAL VESSELS
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3481414 |
HYDRAULIC WEIGHER WITH TORSION-COUNTERBALANCED SUMMATION BAR
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3420325 |
VEHICLE LOAD WEIGHING DEVICE
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3378091 |
Four-tube hydraulic scale with zeroing feature
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3338323 |
Hydraulic weighing apparatus with rebalancing means for determining load differential
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3331458 |
Pneumatic weighing system for load carrying vehicles
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3314492 |
Apparatus for weighing fluids
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3306384 |
Hydraulic weigher with stabilizing rods for use on truck
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3305036 |
Device for measuring weight distribution on a foot
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3229778 |
Hook scale with weight-indicating projector
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