A back spotfacer comprised of a cutting arm mounted in a slotted post on one end of a driving bar so as to be swingable between an inoperative position along the axis of the driving bar and an operative position in the radial direction thereof. A rod slidably extending through the driving bar may be operatively connected with the cutting arm by a rack-and-pinion mechanism to turn the latter between its inoperative and operative positions. A holder having a shank to be inserted in the machine spi...

This seat back provides a variable low back support for truck drivers, and it consists primarily of a back rest of a seat, which is adjustable in height to suite the driver, and it includes an inflatable lower portion for supporting the driver's lower back, thus decreasing driver fatigue. The bladder, of the lower portion, is expanded by a common stem means or is connected to the truck's air supply, and the top of the seat back includes a head rest for further driver comfort.

A lower back protection system is provided by a lower back protection apparatus for protecting the lower back region of a user, the apparatus comprising a first piece of lower back armor; a first strap coupled with the lower back armor; a second strap coupled with the lower back armor; wherein the first strap and the second strap are configured to couple the first piece of lower back armor with an article of clothing so as to provide armored back protection to the user when the article of clothi...

A communication system includes logic to detect a second communication device in proximity to a first communication device engaged in a call, logic to provide substantially uninterrupted transfer of the call to the second communication device, and logic to transfer in a substantially uninterrupted fashion at least a portion of the call to the second communication device back to the first communication device upon indications that a user of the second communication device has shifted back to usin...

Back rest having a semi-rigid frame having the shape, in longitudinal section, of a shallow S formed by an upper concave portion and a lower convex portion, a cervical support affixed to and projecting from the upper end of the frame, a thoracic support extending downwardly from the cervical support along the median line of the frame, a lumbo-sacral support extending downwardly from the thoracic support, said thoracic and lumbo-sacral supports being formed with a groove to receive bony spinal pr...

Apparatus, e.g., a camera back, for locating a film cassette containing a plurality of individual, pre-mounted transparency film frames of the self-developing type in position for exposure. The apparatus includes a lighttight chamber into which the film frames are moved subsequent to their exposure. After the exposure of one or more of the film frames, the apparatus may be coupled to a film processor wherein the exposed film frames are individually removed from the lighttight chamber, processed,...

A back belt comprising a continuous, non-baffled, pressurizable air chamber having a top edge, a bottom edge, and a pair of opposing ends defining the periphery thereof; cushioning rims along the top and bottom edges of the air chamber; symmetrical contouring notches along the top and bottom edges of the air chamber and along the cushioning rims; belt means connected to the ends of the air chamber; valve means on the air chamber operable to allow presurization of the air chamber to a desired int...

A back support adapted to be worn about a person's waist comprises a resiliently compressible, flexible elongate back pad, a pair of resiliently compressible, flexible elongate side pads, and resiliently elastic, flexible strap means. The back pad and side pads are configured and dimensioned to be positioned against the wearer's lower back and sides, respectively, when the back support is worn. The back pad is filled with a resiliently compressible, flexible filler (such as foam) and has stitchi...

A back support (10) for providing abdominal and lumbosacral support has a waistband (11) of substantially unstretchable construction. An elastic band (30) is operatively connected to the outer surface of the waistband (11). The waistband has a generally V shape, wherein the waistband resists riding up on a wearer. The elastic band is preferably releaseably connected to the outer surface of the waistband (11). The support (10) may also have a tool belt (50) operatively connected thereto.

A water system that allows a bicyclist to drink liquids anytime he desires. The system has a collapsible container of water or other liquid stored within a flexible back pack that is removably secured at a location between the shoulders of the bicyclist. A resilient mouthpiece adapted to be held in the mouth of the bicyclist is connected to the container by a length of tubing. The mouthpiece is a valve device and has a cylindrical sidewall that forms a chamber. A spring biased valve element loca...