Abstract: A device for deodorizing and drying a portion between toes used by putting it between toes.The device comprises two rod-shaped flexible fibrous elements or layers formed of a large number of fibers disposed parallel to the longitudinal axis of said layers, an air- and water-permeable flexible shell member being wound around said flexible fibrous layers such that a cavity is formed between the upper fibrous layer and the lower fibrous layer, and particulate substances having a hygroscopic function being housed in said cavity in a quantity corresponding to a part of a volume of said cavity.

Abstract: A knee orthosis is disclosed providing forces approximating the forces exerted by predetermined knee ligaments; and which further protects against hyperextension, more specifically, the knee orthosis of the present invention provides a hinge having three members extending from a central portion, two extending upwardly and attached to the leg above the knee and one member extending downwardly and attached to the leg below the knee. During the last 15.degree. to 45.degree. of extension, the hinge, through these three members, exerts an increasing force to the anterior of the tibia proximate to the knee, so that during these critical angles of rotation the tibia may be maintained in its proper position with respect to the femur.

Abstract: A ditch cleaning machine is for a longitudinally extending ditch having in a vertical trapezoidal transverse cross-section a greater width at the top than at the bottom and having slanting side walls. The machine has a steerable main frame ground-supported and engine-driven to advance along the ditch. The two-wheel main frame is laterally stabilized by adjustable outrigger wheels. A pair of cleaning rotors is pivoted to the main frame and to the forward end of a longitudinal elevator trough so as to engage the ditch side walls. The elevator trough rests on a transverse roller on the main frame, and the trough and the cleaning rotors are jackknifed about a transverse axis by a hydraulic jack connected to the elevator trough and to the main frame. Conveyor flights move debris from the cleaning rotors at the ditch bottom along the elevator trough for discharge onto a transverse conveyor extendable to and discharging from either side of the main frame.

Abstract: A removable tooth with an adapter, said tooth having a wear-subject section that is as thick as possible in relation to the overall mass. The adapter being exposed to only a little wear. The transmission of force from the point of the tooth to a cutting wheel by way of the adapter, minimizes the need for securing mechanisms.

Abstract: An optical method for alignment of paper when making corrections and additions to previously typed or printed sheets is described. A light spot is projected which indicates the exact point of type impact on the sheet. The paper can then be moved until the spot falls onto the desired area. The system can also be used for margin and end-of-page signalling.

Abstract: A device for activating the pen of a printer comprises a push member and for pushing the pen toward the platen of the printer, a connecting lever secured to the push member, a driving lever for imparting a driving motion to the push member via the connecting lever. The driving lever is provided with a grooved cam in which the tip of the connecting lever is inserted so as to be slidable along the cam.

Abstract: A hand stamp comprises a casing which in the lower portion thereof has a printing member for producing an invariable text such as the name of a company, a logotype or the like and further houses a printing unit which is vertically displaceable in said casing and comprises a belt with a plurality of separate printing blocks which selectively may be shifted by means of shifting wheels. Said printing unit can be locked in an upper position in which the shifting wheels are accessible for setting through an opening in the casing. A compression spring normally keeps the printing unit in a lower active position in which the printing surface thereof is located beneath the printing surface giving the invariable text to allow said printing unit to make an imprint before the invariable text is printed and with a printing pressure solely obtained by said compression spring. In the lower position of the printing unit the shifting wheels thereof are not accessible through the opening in the casing.

Abstract: A printing cylinder composed of extruded equally curved cylindric sections joined at the axial edges thereof, one of said sections having a channel recess to provide for a stock gripper assembly, the other sections having axial channels in the outer periphery closed at both ends by end members, with one end member providing a means of communication between groups of these axial channels for evacuation air flow, these sections and end members being surrounded by a perforate cylindrical jacket covering said channels, and journal support shafts on the ends.

Abstract: A protective device for a printing press having a hinged protective cover with an automatic mechanical interlocking mechanism, which includes a fixed pawl on the press frame and a cooperating interlocking element which, by shifting its center of gravity, automatically engages in and disengages from a recess in the pawl as the cover is successively raised and lowered with respect to a latched open position.

Abstract: In ground engaging tools, reliable fastening devices are needed to quickly and effectively secure replaceable earth working tips to adapters. The fastening pin assembly should be configured in such a way as to prevent pin loss or breakage which causes the tip to be lost and/or the adapter damaged. This invention consists of two pins and an interconnecting and retaining means. When assembled, each pin will extend approximately to the middle portion of the adapter through axially aligned bores defined in both the tip and adapter. The interconnecting and retaining means is located in the middle portion of the adapter between the two pins and retains the pins in the adapter bore. This invention protects against pin loss/and or breakage and is beneficial to all type of earth working replaceable tip applications.

Abstract: A flat frame is arranged to reciprocate vertically and parallel to the travel strokes of two overlying carriages, namely a screen support carriage and an ink knife support carriage respectively. On the free end of the frame a mandrel is provided for longitudinally gripping the objects to be. A spindle is provided with a toothed element at its rear end which is rotatably mounted by of its own pivot on the ink knife support carriage.The pitch circle diameter of the toothed element coincides with the diameter of the receiving cylindrical surface of the objects to be printed, and the toothed element is in constant engagement with a further toothed member on a lower side of a screen support carriage.The device is suitable for silkscreen printing machines in general, and especially for printing cylindrical objects having an elliptical cross-section.

Abstract: A thermal printer has a paper feeder including a platen roller, and a casing including a separating roller, the paper feeder being attached to the casing to be openable and closable. In this printer, when the paper feeder is opened, the separating roller is driven in response to the opening operation, to be set to a retracted position that is clear of the platen roller. When the paper feeder is closed, the separating roller is driven in response to the closing operation, to be set to an operative position out of contact with the platen roller with a predetermined spacing therebetween extending axially of the platen roller.

Abstract: An improved blade for a snow plow is provided. The blade includes an inwardly curved, polyethylene moldboard which is secured in a prestressed and arcuate relationship to a structural frame. The frame includes inwardly curved, vertically extending, transversely spaced brace members and a defined space of predetermined shape exists between the moldboard and the braces for improved snow removal by the blade.

Abstract: A trenching apparatus (10) is for excavating deep trenches in which inground concrete retaining or foundation walls may be formed. The trenching apparatus (10) has a crawler base (11) on which a carrier assembly (14) is pivotally supported by pivots (16) whereby it may be tilted by rams (17) to maintain the platform horizontal. An automatic control device (64) is provided for this purpose. The carrier assembly (14) has a pair of rails (18/19) along which a carriage (21) may move. The carriage (21) supports a sleeve (24) through which a trenching arm (25) may be lowered to excavate a trench section as the carriage (21) is driven along the rails (18/19).

Abstract: The platen (11) is mounted between two side plates (9-10) of equipment which is hinged to two risers (5-6) to rotate about an axis .gamma. running parallel to the axis of the platen. The platen is provided with a freewheel mechanism including an inner ring (28) which is connected to the platen and an outer ring (29) which is provided with a peg (31) engaged in a slot (8) in a fixed member (7). The slot is situated on the opposite side of the platen axis .DELTA. relative to the axis of rotation .gamma. and in substantially the same plane. Detector means (36-37) for detecting the presence of a document in an insertion channel (17) cause the platen to rotate in the direction in which the freewheel mechanism drives the outer ring, thereby pressing the peg against the slot and rocking the equipment about the axis .gamma. thus allowing a document to pass between the print head and the platen until it meets an abutment (14) which is moved into place by the rocking action.

Abstract: An orthopedic hinge joint mechanism for proteciton of unstable or injured knees. Four coacting members are rotably fastened each to the next in a series. The first and third members lie in one plane and the second and fourth lie in an adjacent parallel plane. The members in the same plane abut in gears. As a result of this construction the hinge moves symmetrically about its center and effectivley simulates the complex action of the human knee joint.

Abstract: A device for fixation of the skull (15) to adjacent bones (18A . . . 18E) of the spine (19) comprises a loop (11) of substantially circular form connecting a pair of legs (12) generally perpendicular to the loop, outward kinks (14) being provided adjacent the junction of the loop and legs, whereby, with the loop secured to the skull by wires (16) and the legs secured to the spine by sublaminae wires (20), wires (20', 20") at both sides of the kinks (14) effect fixation of the skull in relation to the adjacent bones of the spine.

Abstract: A digging tooth and holder therefor for use with an excavating machine including trenchers and backhoe buckets. The tooth holder is suitably attached to the excavating machine, and includes a tooth receiving pocket formed therein for removably receiving the shank of a digging tooth in an improved manner therein. The digging tooth shank rearwardly extends from the tooth and is made into a special configuration which enables power applied thereto from the excavating machine to be transferred into the working end of the tooth in a new and unusual manner. The working end of the tooth inculdes an elongated, concave upper surface, a cylindrical lower surface, and a plurality of longitudinal extending reinforcing ribs which are formed on the cylindrical lower surface, all of which cooperate together to impart great strength into the tooth and also enables the tooth to dig in hard formations in an improved manner.

Abstract: A therapeutic appliance for application to the lumbar spine and which follows the contours of the iliac crests and overlies the sacrum and sacroiliac joints as well as anchors below the posterior superior iliac spines of the human body including an external shell having a length sufficient to extend around the abdominal region of the body with fasteners at opposite ends of the shell and an air bladder disposed on the shell.

Abstract: A printing apparatus wherein a platen for supporting a recording medium printed by a print head is pivotally supported by a support member. The support member, which extends between left and right side frames of the printer, includes a first and a second engaging portion at its opposite ends. These engaging portions respectively engage an aperture and a cutout formed through the respective side frames, so that the support member and the platen are pivotally supported by the side frames. The cutout is aligned with the aperture, and is open at an edge of the corresponding side frame. This side frame includes a detent portion disposed adjacent to the cutout. The support member further includes a third engaging portion which engages the detent portion, thereby preventing the second engaging portion from being disengaged from the cutout through the open end of the cutout.