Abstract: A log splitter is provided. The log splitter includes a housing, a power source, a motor within the housing and electrically coupled to the power source, a support arm coupled to and at least partially within the housing, a rack coupled to at least a portion of the support arm, and an actuation assembly at least partially within the housing and coupled to the motor and the rack. The power source may include at least one battery. The support arm extends between a first end and a second end. The rack is configured to move along the support arm in a forward direction to an extended position adjacent the first end of the support arm and a reverse direction toward to a starting position adjacent the second end of the support arm. The actuation assembly is configured to move the rack at least in the forward direction.

Abstract: A device for treating fibrotic tissue, comprising a base formed from a solid material, a plurality of first teeth formed in the base, each of the plurality of first teeth separated from at least one other first tooth by a groove, a handle disposed on the base opposite the plurality of teeth, the handle having a first gripping surface and a second gripping surface disposed adjacent to the first gripping surface and a plurality of second teeth formed in the base and opposite from the second gripping surface, each of the plurality of second teeth separated from at least one other second tooth by a groove.

Abstract: A keyboard arrangement, such as for a computer or the like, has a number of keys arranged in rows and columns. The keys of each row are associated with a respective conductor and the keys of each column are associated with a respective conductor. Each key, when depressed, interconnects the two conductors. An interrogator is provided to interrogate the rows respectively by transmitting pulses to the rows and to interrogate the columns, to determine the presence of a transmitted pulse. The interrogator is adapted to interrogate the rows in a random or quasi-random order during successive cycles of operation.