Abstract: A variable pitch marine propeller comprising two removable symmetrical propeller blades with cylindrical bases each having a drive lug attached proximate the driving edge of the point of attachment of each blade. A coupling are associated with the drive lugs of the bases and structured to hold the blades by the bases to align and simultaneously rotate the pitch of the blades in equal and opposite directions in response to movement of the coupling. A hub sub-assembly encases the coupling and bases of the blades to allow the blades to pivot and assume a forward or rearward pitch. The hub sub-assembly has a front end, and a rear end capable of mounting onto a drive shaft. A spring is associated with the coupling to initially position said coupling in a position which holds the blades in a rear pitch configuration.

Abstract: The invention is a variable speed transmission for adjusting the output of a drive shaft. It comprises a journal mounted rotatable casing with an internal cyclical periodic track selectively pushed by a plurality of reciprocating push rods activated by a variably extendable cam mounted to a drive shaft. The torque ratios are directly proportional to the degree the push rods are extended by the extendable cam.

Abstract: A method and apparatus for indexing and labeling electronic disks comprised of providing an open or transparent window covering a segment of the jacket of the disk having an opening into which a removable indexing label with a full or partial listing of the files stored on said disk may be placed.

Abstract: This invention is a cigarette extinguisher which can readily be inserted into a conventional pack of cigarettes or the pocket of a user. It comprises a hollow cylinder with open ends, sized to store therein a lighted cigarette. A removable end cap covers one end to removably seal the same. A slidable keeper is mounted proximate the open end to releasably hold via a friction fit a cigarette inserted therein.

Abstract: A cabinet dehydrator for home preservation of food under relative humidity, pressure, and temperature restraints. Intake air is obtained from the surrounding atmosphere and displaced into the dehydrator over heating elements by a blower. This heated air is ported through a manifold defined by the cabinet walls having a sloping chamber which narrows toward the top of the cabinet to evenly displace the heated air over the tops of removable drying trays. The heated air withdraws moisture from the articles of food placed on the drying trays, and is partially exhausted through exhaust portals, depending upon the relative humidity, temperature, and pressure of the surrounding atmosphere. The remaining heated air is mixed with an amount of surrounding air entering through intake portals to replace the amount exhausted. This mixture of heated air and intake air is then heated and recirculated by the blower until the articles of food are dried.