Abstract: A blind cleaner for mini blinds has a handle with an operating center at one end. The handle includes connections for a supply of water and detergent under pressure, and for a vacuum line. The operating center includes a nozzle from which water is dispensed, the nozzle being covered by foam for dispersion of the water. Both the water supply and the vacuum are connected to the operating center. There are holes in the operating center for allowing air to pass into the device. The result is that water is dispensed to clean a surface, and the vacuum removes the water and dirt and prevents spilling of water.

Abstract: Piston (25) and/or gland (20) structure for a hydraulic actuator (10) includes a plurality of deformable plate members (40, 45, 90 and 95) interconnected at a plurality of locations thereon by frangible fasteners (50). The fasteners are highly loaded in shear and fracture under conditions of abutment of the piston or gland with a ballistically damaged portion of the actuator thereby allowing the plate members to deform around the damaged portion, thus preventing jamming of the actuator.

Abstract: A forms feed tractor belt includes drive members molded around a thin, flexible band at longitudinal intervals. To make the belt, slots are first punched at longitudinal intervals in at least one side of the flexible band. Drive members are then molded around the band at the slots except for at least one drive memberless interval at each end of the band. The ends of the band are overlapped so that the slots of the drive memberless intervals coincide. Final drive members are then molded around the slots of each pair of coincided drive memberless intervals to complete the endless tractor belt.

Abstract: A dispenser for coiled sheet material which can be operated either through lever action or by a rotatable crank without modification of the dispenser. The dispenser includes a pair of cooperating feed rolls, one of which is a drive roll having a drive shaft. A gear is connected to the drive shaft through a one-way clutch mechanism and a gear segment, which is pivotally connected to the frame of the dispenser, is engaged with the gear. Connected integrally with the gear segment is a lever having a removable knob or handle which extends outwardly through the cabinet of the dispenser. By pushing downwardly on the handle the lever and gear segment will be pivoted to thereby rotate the gear and drive the feed rolls to dispense a length of sheet material. After dispensing, the lever is biased upwardly to its original position by a torsion spring.

Abstract: There is disclosed herein a forms feed tractor mechanism having a belt with pins and driving elements extending threrethrough. The pins are adapted to engage perforated holes along the edge of a recorded medium. Driver means are provided for rotating the belt and pins and thereby rotate the engaged medium. Also, there is provided a spring tensioner for maintaining tension on the belt. The tractor includes a door which is rotatably snapped fitted into the housing of the tractor and maintained above the plane of the record medium by an extension on the lower surface thereof. The belt and pins are constructed by molding the pins around the belt side so that the belt is below the feeding surface of the tractor mechanism upon which the paper rests.

Abstract: A dispenser for coiled sheet material, such as paper towelling, having an improved transfer mechanism for transferring feed from a partially consumed roll of sheet material to a fresh or reserve roll. The partially used roll is disposed within a cradle in the lower portion of the cabinet and the free end of the sheet material is fed upwardly over a control arm and then through cooperating feed rolls to a discharge opening. The control arm is mounted on a transfer frame that is pivotally connected to the cabinet, and a transfer arm is also mounted on the forward portion of the transfer frame above the feed rolls. As the partially used roll is consumed, the control arm will move downwardly thereby pivoting the frame and moving the transfer arm toward the feed rolls to insert the free end of the fresh roll into the nip between the feed rolls so that the sheet from the reserve roll will then be fed from the dispenser.

Abstract: A dispenser for coiled sheet material, such as paper towelling, having an improved transfer mechanism for transferring feed from a partially consumed roll of sheet material to a fresh or reserve roll. The sheet from the partially consumed roll is fed across an apron to a pair of cooperating feed rolls. The transfer mechanism comprises a sensing finger carried by a pivotable frame which rides on the sheet material being dispensed from the partly consumed roll. When the end of the sheet material moves past the finger, the finger being unsupported, will drop through an opening in the apron to thereby pivot the frame downwardly and cause a roller to move the free end of the sheet of the reserve roll into the nip between the feed rolls so that the sheet from the reserve roll will then be fed from the dispenser. A pivotable discharge plate is mounted at the discharge opening of the dispenser and can be pivoted between a controlled feed position and a free feed position.

Abstract: This invention relates to a simple, inexpensive calendar sheet and holder, intended as an appointment type where notations may be made in each day box, that has as its feature a continuous week by week display covering several, say 5, weeks at a time. Preferably one plus calendar years are printed on a continuous roll of paper so that as each week ends it is pulled so that successive weeks, one per line, are exposed and the used portion may be torn-off. The flat calendar holder is of simple, preferably one piece, construction, which has a unitary chamber to hold the calendar roll and an aperture to expose the calendar sheet.

Abstract: A dispenser for folded paper napkins including an enclosed cabinet having an opening in the front thereof through which napkins may be removed individually. A pair of V-shaped guides are mounted on inside surfaces of opposite sides of the cabinet. A drawer for holding a supply of folded napkins has a pair of V-shaped ribs formed along opposite sides which slidably engage the guides to movably support the drawer within the cabinet. A carriage assembly including a pressure plate for engaging the rear of the napkin supply in the drawer has a pair of V-shaped slides affixed to opposite sides. The sides slidably engage the ribs to movably support the carriage assembly in the drawer. A pair of constant force springs are affixed to the cabinet and engage the rear of the pressure plate to urge the plate and carriage assembly forwardly of the drawer against the rear of the napkin supply to facilitate individual removal of the napkins through the cabinet opening.

Abstract: There is disclosed herein a forms feed tractor mechanism having a belt with pins and driving elements extending therethrough. The pins are adapted to engage perforated holes along the edge of a recorded medium. Driver means are provided for rotating the belt and pins and thereby rotate the engaged record medium. Also, there is provided a spring tensioner for maintaining tension on the belt. The tractor includes a door which is rotatably snapped fitted into the housing of the tractor and maintained above the plane of the record medium by an extension on the lower surface thereof.

Abstract: A small diameter, highly loaded multiple bladed variable pitch propulsor having swept blades with thin advanced airfoil sections, integrated with a nacelle contoured to retard the airflow through the blades thereby reducing compressibility losses and designed to operate with a turbine engine and using a single stage reduction gear resulting in a high performance, lightweight propulsion system providing a substantial improvement in efficiency over the high bypass ratio turbofan engine.