Abstract: A method for establishing signal and power communication between a surgical instrument and a staple cartridge is disclosed.

Abstract: The rotary disc conveyor system is formed of a series of units or pans linked together to form a continuous conveyor run. Each of the pans preferably includes a pair of rotary discs thereon, with all of the discs of the system rotating simultaneously and unidirectionally to convey material along the conveyor run. Each disc includes a series of generally radially disposed vanes thereon, to assist in sweeping the material along the conveyor. Guides may be installed along either side of the system, between each disc, to facilitate material flow and restrict return flow. Mechanical, hydraulic, or electrical power may be used to provide rotation of the discs. The rotary disc conveyor is particularly well suited for use in longwall coal mining for removing loose coal from the mining head and conveying it along the face of the wall to another transport system for removal from the mine.

Abstract: An improved ski binding for use with a cross country ski and a boot having a forwardly projecting sole portion. The binding including a toe plate to be secured to the ski boot with a bail means and an elastic strap connected to the bail means. The elastic strap is adapted to fit around the heel of the boot and when so positioned causes the bail means to clamp the ski boot to the toe plate. A pair of open faced sockets are mounted to the ski. A toe piece is secured to the toe plate and has a pair of release buttons each received by a corresponding one of the open faced sockets. Further each of the release buttons has a spring means for resiliently urging each release button into a corresponding socket whereby the toe piece and thus the ski boot is releasably held by the sockets to the ski.