A limited slip differential having at least one cone clutch element for frictionally engaging an interior surface of the rotatable differential casing. The cone clutch element has a plurality of clutch engagement surfaces which are disposed about the outside surface of the cone clutch element. Recessed areas are interposed between the clutch engagement surfaces.

A mattress made of foamed plastic material with modulated rigidity, having an upper layer made of a plastic material with a composition based on an open cell polyurethanic foam with silicone, flameproofing, fungicide and bacteriostatic additives, having low elastic memory and being substantially inelastic, which is arranged on a lower layer which is composed of modular elements which are mutually ...

Telephone service is supplied using a distributed architecture that employs a collection of resources each of which exposes a hierarchical namespace. The architecture includes two fundamental resource types, the device server and the call coordinator, which are interconnected by a network employing a common protocol, e.g., TCP/IP. The interaction between the various resources follows "client-serve...

A boot comprising a sole with an upper which includes an asymmetrical medial and lateral quarter. Strategically located pads are provided on the inner of the upper on opposite sides of the metatarsal in the vamp area and around the ankle. Flexible compressible inserts are provided in the medial dorsal area and in the posterior lateral area, providing compression and extension in the sagittal plane...

The transmission apparatus according to the present invention includes a switching device that switches the multiplexing destination of mask symbols and uses this switching device to switch the multiplexing destination of the mask symbols so that the mask symbols multiplexed with control channel signals transmitted in parallel from a plurality of antennas may be transmitted from only one antenna a...

A chair comprises a seat; a support for the seat; and, a plurality of biasing members mounted between the support and the seat, the biasing members, in combination, have a compressive strength sufficiently high to essentially resist static movement of a person while seated in the chair and sufficiently low to cushion dynamic loads applied to the seat when a person sits down quickly in the chair. A...

The present invention provides a separator for fuel cell, having a film on the surface, wherein the film has a water-holdability of 0.3 to 5.0 g per g of the film, or the film has a pore volume of 0.3 to 5.2 cc per g of the film; and, a process for producing a fuel cell separator by applying, onto a base material for fuel cell separator, a conductive coating containing at least a conductive powder...

A clutch for a chair having a seat slidably mounted on a base and adjustable by an adjustment member drivingly connected to the seat is provided. The clutch selectively disengages the adjustment member from the seat when a predetermined force is applied to the adjustment member.

Cold water entering the tank is heated by direct contact with a plate heat exchanger using hot water taken from the top of the tank, and then the cooled water is returned to the bottom of the tank.

The invention relates to a process and device for measuring the diameter of a tree trunk 1, especially when the latter is being worked with a multifunctional machine used for felling trees. In the conventional process, it is difficult to obtain reliable measuring results. In the process and device according to the invention, the tree trunk 1 is placed at the cutting end 2 of a multifunctional mach...