Abstract: A cushion for a billiard table is disclosed. The cushion includes an extruded member having a substantially triangular or L-shaped cross-section and a layer of tape on one surface thereof for affixing the cushion to a billiard table. Also disclosed is an improved cue for billiards wherein a substantial portion of the weight of the cue is disposed in a distal portion of the cue located near the tip of the cue, which is used to strike a ball. The cue is preferably modular to allow substitution of various portions of the cue to permit it to be customized to a specific player. Also disclosed is a device for metering the speed of the surface of a billiard table. Also disclosed is a quick-change tip for a cue which includes an elastomeric material that is sized to snugly fit over the distal end of a cue to releasably secure the quick-change tip to the cue.

Abstract: A portable exercise device for exercising the abdominal muscles is disclosed. The device includes a wheel and a handle. The handle is formed from two handle parts that are releasably attachable to one another to form a bearing surface upon which the wheel is mounted. Various forms of attachment mechanisms are disclosed which lock the device into an exercise position and bear the load on the device when used for exercising. The portable exercise device provides a strong, lightweight, easy to use device that can be broken down into three component parts for storage and transportation and easily assembled to provide a device for exercising the abdominal muscles.

Abstract: A cushion for a billiard table is disclosed. The cushion includes an extruded member having a substantially triangular or L-shaped cross-section and a layer of tape on one surface thereof for affixing the cushion to a billiard table. Also disclosed is an improved cue for billiards wherein a substantial portion of the weight of the cue is disposed in a distal portion of the cue located near the tip of the cue, which is used to strike a ball. The cue is preferably modular to allow substitution of various portions of the cue to permit it to be customized to a specific player. Also disclosed is a device for metering the speed of the surface of a billiard table. Also disclosed is a quick-change tip for a cue which includes an elastomeric material that is sized to snugly fit over the distal end of a cue to releasably secure the quick-change tip to the cue.