Abstract: A rack includes a plurality of upright support rods, horizontal support rods fastened between the upright support rods, slide rails fastened between the horizontal support rods, and shelves slidably mounted on the slide rails. The slide rails are adjustable in length and formed of a main body, a movable member, and an elastic element. The main body has a hollow end. The movable member has a hollow interior with an open end and a closed end. The movable member is movably fitted over the hollow end of the main body. The elastic element is located in the hollow interior of the movable member and the hollow end of the main body such that one end of the elastic element is retained by the closed end of the movable member, and such that the other end of the elastic element is retained in the hollow end of the main body.

Abstract: A fully adjustable hunting tree stand comprising a mounting base; a support member; a seat; and a platform. The mounting base and the support member axially interconnect for independent rotation about a common axis. The platform attaches to the support member at an end thereof, with the seat attaching to the support member at an opposite end thereof. The mounting base attaches to a tree of any angle, being aligned in the same angular direction thereof. The support member adjustably rotates about the mounting base and is secured in a position, which enables the platform and the seat to achieve a leveled position, regardless of what angled position the mounting base is placed.

Abstract: A multipurpose machine is provided with independently operable scissors lift functionality and fork lift functionality enabling the machine to perform a number of tasks such as moving personnel and tools, lifting loads, fetching parts, and easy access to equipment/material while working at heights. The machine includes a base, a platform lift mechanism defining a scissors lift secured to the base, and a platform supported by the scissors lift. A fork lifting mechanism secured to the base includes a mast assembly and lifting forks coupled with the mast assembly. The base is preferably fitted with wheels mounted on respective axles, one of which may be an oscillating axle to increase the mobility of the machine. The independent operability of a scissors lift and fork lifting mechanism in a single multipurpose machine provides versatility for numerous applications.

Abstract: A sliding door includes two or more door panels, and one or more resilient couplings having the side stops slidably engaged in the side channels of the door panels for resiliently coupling the door panels together and for allowing the door panels to be adjusted relative to each other. The door panels each includes less than 78% by weight of a foamable material, and more than 20% by weight of wood chips or particles mixed within the foamable material, and less than 2% by weight of a vulcanizing agent, for allowing the door panels to be adjusted to different weights.

Abstract: A collapsible automobile shade formed of fabric that pivots about a pivot point, or a pair of pivot points, and which are expandable into a shaped configuration for adherence to the interior of an automobile windshield, when installed, to prevent the entrance of sunlight and sun rays. The shade may be disassembled, collapsed about its pivotal ribs, into a closed configuration. An alternative embodiment to the shade of this invention includes its fabrication from a flexible material, that has inherent memory, containing a series of aligned flutes, which can be expanded to form a shade of multiple shaped configurations, but due to the inherent memory of the fluted material, can be contracted by alignment of its adjacent flutes, into a compact position.

Abstract: A modular hoarding includes vertical posts secured to the ground. The vertical posts are spaced apart. Detachable, horizontally oriented cross-members are secured to the vertical posts. Detachable wall panels are secured to the horizontally oriented cross-members. The wall panels are secured in abutting positions to form a modular wall structure. The cross-members and wall panels are secured to the posts and cross-members respectively so that the cross-members and panels may be detached after use. The cross-members may be secured at various selected positions along the vertical posts. Similarly, the wall panels may be secured to the cross-members at various selected positions relative to the cross-members.

Abstract: Guide track assemblies for upward acting doors include substantially linear vertical and horizontal track sections and curvilinear transition sections formed as portions of each of the vertical and horizontal linear sections. The track assemblies are supported, respectively, by mounting brackets which also support a counterbalance mechanism for the door. The curvilinear transition track sections are formed integral with the vertical and horizontal track sections and may have a constant or elliptical radius of curvature, the latter to provide clearance for the guide track assemblies in low headroom installations. The mounting brackets are formed of stamped metal plates which are folded to provide a first flange for attaching the mounting bracket to a structural wall, a support part including a flag portion for connection to the guide track sections and a second flange for connection to a door counterbalance mechanism.

Abstract: A shower curtain has a bottom hem that forms a closed pocket. Sand is contained in the closed pocket and provides weight to the shower curtain so the curtain does not blow away from the side of a tub during a shower.

Abstract: A combination apparatus for vehicles with or without an open bed comprising an elevated viewing perch or observation stand with a seat, a luggage/personnel carrier/kayak carrier, a pontoon boat, a fishing platform, and a farm plow. The viewing perch can be mounted on an open bed vehicle such as ATV's, trucks or the like vehicles and have a ladder-type frame on rear wheels. The frame can be used as a utility trailer for hauling equipment, game or an injured person, and readily converted to an elevated position and used as a viewing or hunting stand. The apparatus can be raised to the elevated position by hand or by a winch, can serve as a tent shelter with bunk-type cots placed inside, and can be wired for lighting, energized by the vehicle's battery.

Abstract: A control system for three mechanisms of a machine may include a pair of pivotable or rotatable structures and a telescoping or longitudinally urgeable structure that are coupled to a single handgrip and contained within a single structure. The control structures may simulate corresponding structures of an aerial platform on which they may be mounted, and provide motions in the same directions of the corresponding structures. Switches are activated upon urging of a handgrip, and springs may be provided to return the control to its neutral position. An aerial platform, a crane, or any other mobile machine may employ the control device and include corresponding structure.

Abstract: A carrier and spacer assembly for an architectural covering, such as a vertical Venetian blind, comprising a longitudinally-arrayed plurality of carriers that are slidably arranged for longitudinal movement along a longitudinally-extending tilt rod between open and closed positions. In the open position, the carriers are spaced apart along the tilt rod, and in the closed position, the carriers are adjacent to one another at a one end of the tilt rod. A mechanism is provided for pulling a first carrier along the tilt rod between the open and closed positions. A plurality of elongated spacers are disposed between the adjacent carriers, connecting them together along the tilt rod. Each spacer includes a leading end portion which extends towards the open position and engages a carrier and a trailing end portion which extends towards the closed position and engages an adjacent carrier.

Abstract: A portable device for connecting to scaffolding and which provides rotary motion to a drive wheel, to move scaffolding in select directions. The device includes a power wheel, rotary driven through a perpendicular or right-angled gear reduction, receiving its rotary force from a drive shaft, and the drive shaft couples with a portable drill, or other tool, that furnishes the rotational force necessary for driving the drive shaft, and its associated drive wheel. The bracket mechanism supporting the portable appliance supports the appliance during its delivery of rotary force to the drive shaft, and its wheel, and likewise, pivotally mounts to an outer support sleeve or tube that furnishes steering, to the drive mechanism, and consequently to the scaffolding, during its power movement.

Abstract: A shock absorbing lanyard having an integral fall arrest energy absorber formed in a one-piece woven, knitted or braided construction wherein partially oriented yarn (“POY”) fibers and high modulus yarn fibers are combined integrally in one section and are separate in another section in which the high modulus yarn fibers preferably form a sheath around a core of POY fibers.

Abstract: A multi-use support apparatus mounts a ladder to a support structure. The support apparatus can be configured for use with different support structures, such as parapet walls, flat roofs, sloping roofs and vertical beams or purlins. The support apparatus has a frame and a platform mounted on and supported by the frame. A pair of spaced ladder support brackets mounted on the frame support the upper end of the ladder therebetween.

Abstract: A fall arrest device (100) for use on an elongate support (180) including locking cams (132, 133, 134, 135) embodied by first and second independent actuable cam elements (133, 135), said cam elements (133, 135) being biased by a bias (132, 133, 134, 135) into locking engagement with the elongate support (180) and being actuated by a common arrester (128) in response to a sudden change in load experienced by the device (100) such that said first cam element (133) traps the elongate support (180) relative to a chassis (102) when the elongate support (180) slopes in a first direction and such that said second cam element (135) traps the elongate support (180) relative to said chassis (102) when the elongate support (180) slopes in a second direction.

Abstract: Guide track assemblies for upward acting doors include identical vertical and horizontal linear track sections and a curvilinear transition track section. The linear track sections include spaced-apart elongated slots formed at acute angles with respect to the longitudinal extent of the track sections for cooperation with retainer members mounted on angle-shaped jamb brackets. A header bracket also includes one or more retainer members thereon for disposition in similar elongated slots formed in the curvilinear track section. The linear track sections fit in telescoping relationship within enlarged end portions of the curvilinear track section. The configurations of the header brackets, jamb brackets and track sections facilitate quick assembly and easy positional adjustment of the track sections with respect to a door opening covered by a door guided by the track assemblies.

Abstract: A slat-positioning drum is rotatably mounted in a positioning base fixedly mounted in a head rail of a venetian blind and includes a hollow upper section and a top plate. Two parallel channels are each longitudinally defined in the upper section of the body and each has a closed end and an open end. The two closed ends of the two channels are opposite to each other. Two parallel grooves are each longitudinally defined in the top plate and respectively communicate with a corresponding one of the two channels. Multiple teeth are formed on each of two edges defining each of the two grooves. A connecting rod is formed in each channel and is located below the corresponding groove. Each connecting rod extends from the closed end of the channel.

Abstract: Foam core vanes useful with door or window coverings and which may be hung vertically or horizontally include an outer fabric cover and an inner foam core. Preferably, the vanes are shaped to have a blunt forward edge, gently curving sides and a pointed rear edge, resembling an air foil. A method of preparing the vanes includes injecting foam producing chemicals into a fold of the outer fabric as the fabric enters a mold section comprised of upper and lower molds moving along tracks. The foam expands to press the fabric into the mold and cures during travel through the mold section. A rotary knife cuts the foam core vanes to the desired length. Preferred foams are urethane and polyisocyanurate foams.

Abstract: A balcony and a shield including first and second shielding sections. The sections define corresponding first and second shielding screens. The shield includes a mounting rod defining a rod attachment section and a rod spacing section. The rod attachment section is sized so as to extend from the footrail to the handrail of the balcony banister. The rod spacing section extends from the rod attachment section and is adapted to extend upwardly away from the handrail. A securement component secures the rod attachment section to both the handrail and the footrail. A linking component securely links the first shielding section to the rod spacing section above the second shielding section.

Abstract: A stand for hunting or photography comprising: (a) a seat structure adapted to be removably positionable on a tree trunk and (b) a cover removably supportable by the seat structure in a manner effective for at least partially concealing a user when seated in the seat structure from front view, side view, back view, or a combination thereof.