Abstract: A lens system with a first group having a positive meniscus lens and a sensor. The optical distance between the front surface of the first group and the sensor can be not greater than the height of the sensor times the image F-number, which may alternatively be referred to as the working F-number. A second group can be disposed adjacent to the front focal point of the first group, and a lens-stop can be disposed adjacent to the second group. A third group can be disposed midway between the lens-stop and the object field of the first and second groups. The image F-number can be 2.8 or greater. The first group can have a doublet formed by a first lens that is plano convex and a second lens that is plano concave. The second group can have a first, plano convex lens and a second, biconvex lens forming a doublet with a third, plano concave lens.

Abstract: A task chair capable of forward and rearward synchronized movement with a base assembly, a linkage supported by the base assembly to pivot about an axis in relation to the base assembly, a seat assembly pivotally retained relative to the linkage, and a back assembly pivotally retained relative to the linkage. The linkage can include a bracket and a resiliently deflectable assembly retained relative to the bracket. A projection retained by the base assembly can engage the resiliently deflectable assembly whereby the linkage and the seat and back assemblies can pivot in relation to the base assembly. The linkage can have a bracket; a first link pivotally coupled at a first axis relative to the bracket, pivotally coupled at a second pivot axis relative to the seat assembly, pivotally coupled at a third pivot axis relative to the back assembly; and a second link pivotally coupled at a first axis relative to the bracket and at a second axis relative to the back assembly.

Abstract: An illumination system with an illumination device having a body portion and a light source for emitting light, a personal illumination control unit for enabling an input of control commands, an arrangement for communicating control commands from the personal illumination control unit to the illumination device. The control unit can operate wirelessly and can be removably and replaceably received relative to the illumination device. The control unit can enable progressive brightening and dimming of the light source and can retain predetermined and individually set brightness levels of the light source. The control unit can have a display screen with touch sensitive areas. The display screen can be employed to display images retained in electronic memory, which can be removable. A second illumination device can be independently operable, and an ambient air conditioning arrangement can affect ambient conditions.

Abstract: An upholstery mounting system for an article of furniture with a furniture member, such as a chair back, and an upholstery backing member for being removably coupled to the furniture member. A plurality of mounting clips are fixed to one of the upholstery backing member and the furniture member, and a corresponding a plurality of mounting brackets are fixed to the other of the furniture member and the upholstery backing member. The mounting clips can have raised central portions that define apertures, and the mourning clips have elongate engaging members for being matingly received through the apertures in the mounting brackets for coupling the furniture member and the upholstery backing member. One mounting clip can have a longer elongate engaging member to facilitate alignment during coupling. A protuberance on each elongate engaging member can enable a mechanical engagement between the mounting brackets and the mounting clips.

Abstract: A sifting shovel for sifting particulate matter from a volume of material comprising a shovel head and a handle with an end fixed to the shovel head. The shovel head has a base plate, a sifting plate disposed in spaced relation relative to the base plate, a first side wall, a second side wall, and a proximal end wall. The sifting plate has a plurality of apertures therein, and the base plate, the sifting plate, and the first and second side walls have distal ends that together define an open mouth of the shovel head. The open mouth can have a minimum opening height greater than a maximum aperture dimension, and the shovel head can have a truncated wedge shape. At least a portion of the handle can be disposed below a longitudinal center of gravity of the sifting shovel, such as by forming a bend in the handle, to enable the sifting shovel to tip automatically.

Abstract: A trolley and rail system for use in relation to an extension and retraction arrangement with a trolley structure retained for axial extension and retraction along a body portion of a rail arrangement comprising first and second rails disposed in substantially parallel spaced orientation. The trolley structure can have a central portion and first and second wing portions with load bearing wheels for rolling along rigid bearing surfaces of the first and second rails. The bearing surfaces and the wheels can have correspondingly contoured profiles. The trolley structure can have a ventrally disposed alcove. Constant force springs can assist in a travel of the trolley structure in relation to the rail arrangement. The trolley structure or a support arm coupled thereto can have threaded mounting holes for retaining a flat panel monitor.

Abstract: An extension and retraction arrangement for retaining a supported article, such as a monitor, in relation to a trolley structure that is retained for axial extension and retraction in relation to an elongate support arrangement. A support arm, which can be unitary, articulated, pivoting, or non-pivoting, can be coupled to the trolley structure. The trolley structure can have a centrally disposed alcove disposed inboard of first and second rail members of the elongate support arrangement. A subsurface enclosure can retain the rail members, and first and second doors can selectively close an aperture in a framework coupled adjacent to an end of the subsurface enclosure. Constant force springs can assist travel of the trolley structure and an arcuate braking member or compressing spring can provide a braking effect to the trolley structure.

Abstract: A support system with repositionable bolsters with a panel of material, which can comprise elastomeric mesh, and bolsters repositionably securable to the panel of material. The panel of material can be retained relative to a bed or other structure or by a frame, which can be foldable. The bolsters, which can be formed with a breathable mesh shell, can be secured to the panel of material by a plurality of extendable and retractable fingers for being received through apertures in the panel of elastomeric material, by at least one expansible structure for being received through the apertures in the panel of elastomeric material and expanded, or by pivotable arms adjustable between generally parallel and non-parallel dispositions. The support system can be used independently or incorporated within a crib, bassinet, car seat, high chair, swing, bouncing seat or support, or any other support structure.

Abstract: A printing system including a squeegee and a blade assembly. The system further includes moving paste retainers and at least one cross elements. The cross elements include one or more cross wires to affect a wiping action of the blade during a printing cycle of the squeegee. The motion of the paste retainers and cross elements created by pivoting paste retainers. The wire motion is set on an arc at a fixed radius from a pivot point, and arc traversing a significant part of a front face of the squeegee inside of solder paste or viscous material mass. The cross elements include multiple cross wires or thin blades to affect more shearing action with less motion.

Abstract: A high impact game ball with a core structure founded on a spherical member, a spherical casing concentrically disposed relative to the spherical member, at least one surface deviation disposed relative to the spherical member of the core structure, and at least one corresponding surface deviation disposed relative to the spherical casing in a mating relationship with the at least one surface deviation of the spherical member. A switching arrangement can be embedded in the spherical member for causing a response to be exhibited based on the occurrence of an activation condition, such as an impact or a remote activation signal. A plurality of positioning stays can project from the spherical member to ensure a concentric relationship relative to the spherical casing.

Abstract: A composting system with a digestion chamber, an auger shaft with at least one mixing vane, and a power unit. The power unit can be hydraulic and can also power a shredding unit and an input conveyor system. A barrier wall can be interposed between those elements and the digestion chamber. The digestion chamber can be divided into subchambers, and sequentially lower apertures can promote a progression of organic material. A malfunction sensor can sense a malfunction of the auger shaft, the shredding unit, or another component. A malfunction report can be provided, including to a remote receiver. The report can include a determined location of the composting system and can be directed to a selected receiver based on the malfunction. Fluids, including gasses and liquids, can be introduced by a supply source in combination with apertures along the auger shaft and/or a mixing vane.

Abstract: An arrangement for enabling post-assembly tension adjustment in an elastomeric material application. The arrangement can have a frame structure and a panel of elastomeric material, such as elastomeric mesh, retained to span from a first side to a second side of the frame structure in tension. A tension adjustment assembly enables a post-assembly, selective deflection of the panel of elastomeric material and thus the tension in the panel of elastomeric material. The tension adjustment assembly can, for example, employ a selectively inflatable bladder, an extension and retraction arrangement with a biasing portion, a pivoting member, a laterally slidable member, a roller with a non-concentric pivot axis a deflection member with a tip portion disposed to an outer surface side of the panel of elastomeric material, or a deflection member slidable on an inclined surface in relation to the panel of elastomeric material.

Abstract: A computer arrangement for inducing a retraction of a computer component in response to a sensed emergency or security condition. The computer arrangement can include an enclosure with an open inner volume and a support member extendably and retractably retained relative to the enclosure. A computer component, such as a monitor, a keyboard, or a laptop computer, can be retained relative to the support member. One or more sensors can sense an emergency or security condition thereby to induce a retraction of the support member and, possibly, a closing of a lid. The keyboard or laptop computer can be retained relative to a support unit or cradle, which can be manually or automatically pivotable between a storage configuration and a second configuration.

Abstract: A collapsible storage arrangement for hanging files with a storage housing that retains a pivotable framework that can be pivoted between an upright configuration for enabling access to file folders and a collapsed configuration for storage. The pivotable framework can include first and second pivotally retained frame structures in combination with first and second support rails that have first and second ends pivotally connected to the first and second frame structures. The storage housing can have first and second end walls, first and second side walls, and a bottom. A lid can selectively seal the storage housing. A guide arrangement, which can comprise a flexible member, a guide panel, or a fixed inclined surface, can guide file folders toward a reclined position as the pivotable framework is pivoted from an upright configuration to a collapsed configuration.