Abstract: A wheel brake mechanism is disclosed for a vehicle such as a carriage or stroller having a wheel mounted on an axle. The wheel is of the normal type having radially extending ribs with spaces or recesses therebetween. The brake housing is mounted for pivotal movement around the axle between a normal unbraking position and a braking position by depressing a foot pedal attached to the housing. The brake mechanism comprises a cam mounted within the brake housing, and a cam follower mounted on the vehicle body. The cam follower has a cam engagable portion and a wheel engaging portion. Pivotal movement of the brake housing to its braking position causes the cam to force the wheel engaging portion into a wheel recess for braking the wheel.

Abstract: A detachable leg assembly for an object includes a substantially cylindrical leg having a recess adjacent a first end thereof and a tapered leg-receiving chamber, larger than the cross-sectional area of the leg, having a locking projection on one wall thereof adapted to engage the recess when the leg is positioned in the chamber; a wedge-shaped holding member adapted, when positioned within the chamber, to substantially fill the space between the leg and the wall of the chamber; and means for anchoring the holding member in position.

Abstract: A motor-driven baby swing is disclosed capable of swinging an improved baby chair for a prolonged period of time. The chair is usable in a swinging mode of operation, and also in a rigid mode of operation when detached from the swing. The chair is pivotally movable into a plurality of reclining positions in each mode of operation.

Abstract: Tuned rubber/viscous torsional vibration damper assemblies of the kind having a supporting rotor disk mounting an inertia mass coupled to the disk by viscous damping medium and elastic tuning spring, spacing and sealing rubber rings located in rubber ring accommodating grooves. A viscous damping medium working chamber is defined within the inertia mass radially outwardly about the rings. The rubber rings are molded and vulcanized in situ in said grooves and to the rotor disk and the inertia mass. The dampers may be provided with rubber spacer and bumper fingers extending from the rubber rings into the working chamber of the damper. The rubber rings may also be keyed to the inertia mass by means of integral lugs extending into socket apertures in the inertia mass. The dampers may be coated with a rubber skin on outside areas, the skin being connected to exposed areas of the rubber rings.

Abstract: In tuned rubber/viscous torsional vibration damper assemblies of the kind having supporting rotor disk means mounting an inertia mass coupled to the disk means by viscous damping medium and elastic tuning spring, spacing and sealing rubber rings are produced by providing a low melting point metal barrier in the assembly between rubber ring accommodating grooves and the viscous damping medium working chamber defined within the inertia mass, the rubber rings molded and vulcanized in situ in said grooves and to the rotor disk and the inertia mass, whereafter the barrier is melted out and the damper completed. The dampers may be provided with rubber spacer and bumper fingers extending from the rubber rings into the working chamber of the damper. The rubber rings may also be keyed to the inertia mass by means of integral lugs extending into socket apertures in the inertia mass. The dampers may be coated with a rubber skin on outside areas, the skin being connected to exposed areas of the rubber rings.

Abstract: Rubber viscous torsional dampers in which an annular inertia mass is coupled by elastic tuning spring, spacing and sealing rings to a radially outwardly extending circular body on a radially inner hub portion, have the elastic rings secured fixedly to axial surfaces of either or both the body and; the inertia mass by means of respective flat disks which are rigidly unyielding in plan and are permanently secured by vulcanized bonding to the rings, the disks being rigidly secured to the inertia mass and/or the body by structural adhesive.

Abstract: A method of making a tuned viscous torsional vibration damper assembly of the type having supporting disk means with a radially outwardly extending circular body and a radially inner hub portion adapted to be secured to a rotary member such as a crankshaft subject to vibrations to be damped by the damper, the body being received concentrically within a radially inwardly opening annular working chamber of an annular inertia mass, a viscous damping medium in said chamber between shear film spaced working surfaces of said body and said inertia mass, and said inertia mass having concentric annular grooves at opposite sides of and facing axially toward said body contiguous to the opening from said chamber, with elastic tuning spring, spacing and sealing rings coupling opposing surface areas of said inertia mass in said grooves and opposing surface areas on said body, comprising assembling the rings in the grooves, placing concentricity maintaining shoulder means across radially inner open sides of the grooves wher