Needle bearing one of the raceways of which is formed on a thin ring. The latter comprises angularly spaced zones which are subjected to an elastic radially inward deformation by application of these zones on supports afforded by a sleeve concentric with the ring. This sleeve is mounted in the bore of the bearing housing. The sleeve has at least one rigid support in the form of a pressure dished portion bearing on the bore, and at least one elastically yieldable support constituted by an arcuate...

This invention relates to free-cutting carbon steels such as S20C steel, S30C steel, S45C and S55C steel as indicated by the Japanese Industrial Standards (or steel Nos. 1020 to 1055 as indicated by the SAE Standards) containing 0.20 to 0.56 percent carbon, 0.24 to 0.33 percent silicon and 0.35 to 0.78 percent manganese. Also, this invention relates to free-cutting Ni-Cr steels, Cr-Mo steels and Cr steels containing 0.29 to 0.42 percent carbon, 0.24 to 0.33 silicon, 0.51 to 0.75 percent manganes...

A free piston gauging apparatus having pressure cylinders and pistons with spherically formed cylinder wall engaging surfaces providing a line contact between the piston and cylinder wall. The apparatus includes a pressure cylinder closed at one end and open at the other end, a piston having a spherically shaped piston-to-cylinder contact surface which provides a line contact between the piston and cylinder wall, said piston being freely movable axially and in rotation within the cylinder and pr...

This invention relates to free cutting steels containing in combination calcium and at least one free cutting element selected from the group consisting of lead, sulfur and tellurium. Such free cutting steels are characterized by their cutting property.

Free running draw chuck device for use in a lathe permitting rotation of an elongated, relatively fine workpiece or mandrel at high speeds under tension without deviation or "whipping." Use of the device in formation of fine, wire reinforced catheters is shown.

A device for storing extension wires used with electrical appliances. This device is boardlike in configuration and eliminates tangles in the wire which normally causes damage to the wire. The device consists of a boardlike affair having V-slotted openings at each end to accommodate the wire, one edge of the device having a pair of spaced-apart and keyhole shape configurated openings for the insertion of the wire at the end of the male and female plugs of the wire, the opposite edge having an el...

The structure of a free piston engine is integrated with a magnetic circuit. The magnetic circuit has alternate magnetic flux paths with common central legs having generating coils thereon. A portion of the reciprocating piston completes first one flux path and then the other. Permanent magnets are included in the circuit arranged so that the direction of magnetic flux in the central leg reverses as the piston reciprocates, thereby generating an alternating current.

A fiber for use in the propagation of light pulses with the attendant elimination of distortion. The fiber is useful as a delay line storage device for computer information with an extremely high-packing density capability for the bits of information. Another application is in a broadband communication system as a transmission line and in any application the fiber may be "active" as either a laser amplifier or oscillator. Basically, the invention involves the choice of fiber core and cladding si...

A free fall beacon for marking an ocean bottom location has a buoyant mem and an anchor normally locked together by a pressure-operated latching device. The buoyant member and the anchor are interconnected by a tether line which determines the height above the ocean floor at which the buoyant member is moored.

A free piston vibrator power source for applications wherein control of vibration frequency, force, and amplitude is important and useful in underwater applications as a sonic generator. The vibrator includes a cylinder and a fluid piston slidably mounted in the cylinder for vibrating reciprocal movement between opposite ends. Valve means is provided for introducing pressurized activating fluid into the cylinder on opposite sides of said piston in response to the position of said piston between ...