Abstract: A pile cutter support comprises a pair of sections which engage opposing faces of a pile. Platforms integrally extend from the engagement portions in a generally perpendicular relationship so as to form a guide and a support for a cutter. The sections are pivotal between a deployed position wherein the sections are engageable against adjacent faces of the pile and a folded compact carrying mode. A ratchet belt is employed to secure the support at a fixed vertical position of the pile.

Abstract: A hunter's tree stand which is adjustable to fit tree trunks of various diameters including a platform for supporting a hunter in the standing or sitting position, the platform having a rear edge for gripping a tree trunk, a pair of frame members for straddling a tree trunk connected to the platform, a blade member for gripping a tree trunk, and a rod for moving the blade member away from and toward a tree trunk, the rod being connected to the frame members and the blade member.

Abstract: A tree climbing stand utilizing two climbing elements. Also provided are spring actuated element for locking the tree stand in its expanded, operational position, a retractable safety bar for supporting the back of the climber, and a cleat, which may be included or excluded at the discretion of the user, for engaging the tree.

Abstract: A tree or the like climbing apparatus which includes a platform member, having both a seat portion and a foot support portion and an independent foot climber member. The platform member and the foot climber member are raised or lowered over a tree trunk by means of tree trunk engaging members on both the platform member and the foot climber member having parallel rows of teeth arranged in an arcuate manner. Opposite each engaging member is an adjustable cable support member to surround the tree trunk and provide a support means for engaging a portion of the tree trunk opposite the tree trunk engaging members. Rollers are positioned over each cable portion for part of its length to ensure smooth ascent and descent of the tree. Each cable portion includes an adjustable winch at one end, which secures the cable to the platform member and foot climber member, and also locks the platform member and foot climber member in place until further movement is desired.

Abstract: A portable, assemblable-disassemblable staircase includes a plurality of stair units to be assembled and disassembled, each of the stair units including a horizontal base plate, an upward joint vertically installed at a rear end of the horizontal base plate, the upward joint containing a longitudinal elongated hole bored therein, a downward joint vertically installed at a front end of the horizontal base plate, a nut fixedly installed in the downward joint, a bolt adapted to be spirally inserted into the nut through the longitudinal elongated hole of the upward joint so as to inserting and fixing the downward joint of one stair unit into and to the upward joint of the other stair unit of the plurality of stair units, and a tread to be fixed to the upper surface of the horizontal base plate, whereby the stair units are assembled by alternatively mating with the downward joint and upward joint so that horizontal sections of the downward and upward joints can be prevented from circularizing to be unrotatable.

Abstract: A portable toilet seat usable in a wilderness environment where there is no plumbing system available for operatively connecting a conventional toilet. The toilet seat includes a seat member having a clamp means at its rear edge for rigidly attaching the seat member to the trunk of a tree in a wilderness setting. A foldable leg structure is swingably attached to the front edge area of the seat member for supporting the front portion of the seat member. The leg structure can be folded against the seat member for storage or transport purposes.

Abstract: An improved structurally sturdy, portable tree stand. The improved tree stand comprises a pair of elongated members, each of the elongated members having a portion at one end turned at substantially a right angle to its respective elongated member, and having a device for securely engaging a tree or the like. The elongated members are adjustably joined together to selectively space the elongated members a desired distance apart and maintain a substantially parallel relationship therebetween. A support platform is attached to the elongated members, and a Y-shaped member is in turn pivotably attached at the ends of the branched arms thereof to the support platform outboard of the elongated members and more than half way away from the turned portions of the elongated members. The terminous of the central arm of the Y-shaped member also includes a device for securely engaging a tree or the like.

Abstract: A support is provided for fitting over one or more insulating disks in electrical power distribution equipment. The support has a collar which fits about the disk or disks and includes structure which fits onto one of the insulator disks for support. Foot support struts extend outwardly from the collar for support of a climbing crew member's feet.

Abstract: A hunting device that is selectively convertible between a tree stand position and a reclined sitting position, thus providing a single apparatus for hunting both large and small game. The apparatus includes a support member, which is capable of pivoting relative to a base member, such that when the apparatus is in the reclined sitting position, the support member pivots to allow the hunter to assume the reclined position. The support member is spring biased in the upright position to allow the hunter to quickly shift from a reclined position to an upright sitting position. In the tree stand position, the base member elevates the support member against the trunk of a tree to allow the support member to serve as an elevated platform for the hunter. The base member includes a first section and a second section pivotally connected to the first section so that the apparatus may be folded into a hand-operated cart with detachable wheels.

Abstract: A portable treestand for hunters includes a one piece supporting platform cast from a light weight metal, preferably aluminum. The unitary construction of the platform eliminates a large number of fabrication steps and the related fastening techniques and devices used therewith. As a result, the platform is stronger and more rigid, free of many potentially movable joints, and may be made with an irregular pattern. The grate-like pattern of irregular oepnings in the platform provides variable positioning support for different types of archery bows and enhances the ability to camouflage the treestand.

Abstract: Deer stands including a chair assembly having a seat and seat back and a footrest or stool both of which are vertically movably and securely supported on a tree trunk with the components being foldable to compact condition for ease of transporting to and from a site of use. The chair assembly is constructed with a seat and seat back provided with seat belt webbing material therein for safely supporting an occupant in a comfortable and relaxing position. In one form of the chair assembly, a generally V-shaped blade engages a tree trunk vertically above an abutment blade with the V-shaped blade being supported by a generally U-shaped frame member oriented above and in inclined relation to the seat portion of the chair assembly. In another form of the invention, the V-shaped blade is supported by a frame structure attached directly to the frame of the seat portion of the chair assembly.

Abstract: A sit and climb tree stand uses a wedging tree engagement bar to provide for positive support in the tree with minimal tree damage. A self-locking leveling feature is provided which allows the user to adjust the level when at the desired elevation.

Abstract: A portable combination observation and hunting stand having a lower and middle ladder portion interconnected with each other with the middle ladder portion interconnected to a third, upper portion which comprises of a seat platform and an separate standing platform, all of which is abuttable to a tree or other support structure at a unique angle and is securely attached thereto by a chain or cable having a first end attached to the upper ladder portion at the end of the outer vertical upright then extending around the tree to a turnbuckle or load binder pivotally connected on the opposite side of the seat platform and adjustable according to the circumference of the selected tree or other support structure.

Abstract: A hunter's tree stand and backpack frame is formed by a seat frame having a seat and having cam members at the end of the seat disposed adjacent a tree or upright.The seat frame having a chain stop adjacent each side of the seat for supporting the seat at a selected elevation by the cams binding the tree between the cams and a first chain surrounding the tree.Downwardly projecting legs secured to the seat are provided with tree engaging prongs for maintaining the seat in a preferably horizontal position, normal to the tree axis. A turnbuckle secured with the seat frame engages a second chain extended around the tree below the cams and first chain to secure the depending portion of the frame to the tree.

Abstract: A versatile hunting stand is provided which may be supported by a tree, ladder or tripod. The stand has a collapsible seat assembly which serves as a foot bar when used as a climbing stand. Adjustable arms may be used as a component of the climbing bar assembly or when a ladder is connected to the front of the stand, the arms may be used to brace the ladder. Instead of supporting the back end of the stand against a tree, tripod legs may be inserted into sockets in the stand.

Abstract: An apparatus is set fourth for providing a chair lift for vertical repositioning relative to an overlying support such as a tree or adjacent building. The apparatus includes a seat platform, including a lateral and longitudinal bar orthogonally and integrally mounted to the bottom surface of the seat platform. The lateral bar includes a plurility of arm rest posts integrally mounted thereto, with an arm rest mounted at an upper end of each post pivotally mounted to each arm rest post. The longitudinal bar includes a forward and rear "L" shaped yoke, wherein the forward yoke includes a light post mounted thereto. The rear "L" shaped yoke includes a lower spine link adjustably mounted thereto, with a back suport plate mounted to the lower spine link. An upper spine link is pivotally mounted relative to the lower spine link and in turn is pivotally mounted to an overhead link which integrally mounts a winch member to effect a lifting of the organization.

Abstract: A device for the maintenance of large-capacity containers such as storage tanks or the like vessels is described, which consists of a scaffolding structure for accommodating a plurality of working platforms along the container wall, such scaffolding structure reposing swingably around the vertical centerline which is the rotation axis. For this purpose, the device is movable along the total peripheral area of the upper container wall. In three preferred embodiments, the device may consist either of a centrally supported pivot mounting supported on the container roof, which is horizontally adjustable and vertically settable around an air dome, or of a load-carrying support which is placed centrally on the container roof, or finally of a load-carrying support reposing movably on a uppermost container edge and a tank catwalk, such load-carrying support being composed in turn of a lattice carrier and a frame.

Abstract: A tree stand having a weight bearing platform and a gripping frame hingedly joined thereto utilizes a pair of variable length suspension braces connecting the outer end of the platform to the gripping frame. By varying the length of the braces the platform is leveled while positioned on the tree. The hinged construction also allows for easy folding of the stand for storage and transportation.

Abstract: A hunter's portable tree stand that has an elongated platform assembly whose rear end is secured against the trunk of a tree. A pair of support arm assemblies have their front ends pivotally secured the front end of the platform assembly. A V-shaped clamping yoke passes around the trunk of the tree and its opposite ends are detachably connected to the respective rear ends of the support arm assemblies. A pair of upright brace members that pivot at the top, which the bottom is adjustable and secured to the rear end of the platform assembly and their top ends connected to the rear end of the support arm assemblies. The support arm assemblies have a unique structure which allows for adjustment of the angle that the platform assembly makes with the trunk of a tree even when the hunter is standing thereon.

Abstract: A work enclosure for servicing a marine structure which is adapted to be positioned around a support member of the marine structure to enclose the member and at least one riser which extends parallel thereto. The enclosure is watertight and open at the top to the atmosphere whereby the water is pumped from the enclosure when the enclosure is in an operable position on the member to provide a dry, shirt-sleeve environment in which to carry out the service operations.

Abstract: A back pack assembly which is convertible into a tree seat has a rigid, substantially planar member to which one end of each of a pair of elongated frame members is pivotally attached at either side of the planar member. Frame extension members are pivotally attached to the distal ends of the frame members, and a V-shaped blade member is adapted to be mounted to the distal ends of the extension members.

Abstract: A climbing tree stand having two separate climbing assemblies, the lower assembly having a collapsible chair such that the leg members of the chair can be positioned flush with the surface of the platform of the lower climbing assembly or set in an upright position. The position of the chair is interchangeable while the tree stand is in place on the tree, and does not obstruct the platform when in the collapsed position. The chair is freely rotatable in any direction. The upper climbing assembly provides a safety harness to prevent the user from accidentally falling.

Abstract: A seating system is disclosed for supporting a seat on fenceposts of a fenced in area such as a tennis court or playground. Hinge pin clamps of the type ordinarily used for mounting a gate on a fence are clamped to fenceposts. Brackets are provided that are entirely supported by the hinge pins in a manner providing support for a seating surface that is bolted to the brackets. A pair of brackets mount upon a single fencepost to support a seat for a single person. A pair of brackets mount upon two spaced apart fenceposts to support a long seat for many persons.

Abstract: A tree climbing stand utilizing two climbing elements. Also provided is a spring actuated mechanism for locking the tree stand in its expanded, operational position, a retractable safety bar for supporting the back of the climber, and a readily removable cleat, which may be included or excluded at the discretion of the user, for engaging the tree.

Abstract: The invention relates to a vertically and horizontally movable work platform 4 for carrying out renovations to the concrete on reinforced concrete buildings or for replacing the structural protection on steel constructions. To increase the operational safety these work platforms 4 are held against the surfaces 1 of the buildings by attached magnetic plates 6. Since the tensions cables previously required are dispensed with, the weight of the upper carriage 2 from which the work platforms are suspended by cables is considerably reduced.

Abstract: An apparatus for climbing a tree or like vertical columnar member comprising an upper climbing member including a main frame having a tree engagement gripper support attached to the terminal ends of the main frame, lower gripper means attached to said gripper support and positioned to provide gripping pressure against a tree, a shaped rail attached to said main frame opposite the terminal ends thereof, and comprising an elevated safety-bar portion in the form of a convoluted loop with two open ends, a tree engagement portion in telescopic sliding adjustment engagement with the open ends of the shaped rail for selectively affixing the shaped rail to a tree, upper gripper means attached to the tree engagement portion and positioned to provide gripping pressure against the tree, a plurality of vertical rear bracing means positioned near the terminal ends of the main frame and joining the main frame to the shaped rail, a main frame platform covering the area between the center and the non-terminal ends portion of

Abstract: A sit and climb tree stand uses a wedging tree engagement bar to provide for positive support in the tree with minimal tree damage. A self-locking leveling feature is provided which allows the user to adjust the level when at the desired elevation.

Abstract: A hunter's tree stand includes a vertically elongated rigid frame assembly including upper and lower tree contacting standoff points. An elongated inelastic band member encircles the tree in a horizontal plane disposed vertically intermediate the standoff points and connects to the frame assembly at each end thereof. A binder coacts with the band member to effect a predetermined shortening of the band member when a binder actuator element is displaced from a first position to a second position to displace the center portion of the frame inwardly and thereby resiliently preload tension within the band member independently of loading of the tree stand. The tree standoff points are configured to limit their penetration into the tree. The binder can be locked with the actuator element in its second position to deter unauthorized removal of the tree stand.

Abstract: A bow holder having a frame with a channel at one end for fitting about the rung of a tree stand platform, the frame being supported on the upper surface of the platform. The bow holder carries an upstanding bifurcated support at one end for receiving the cable, pulley and bowstring of a bow. An upstanding support arm is pivoted at its opposite end and mounts a cradle at the arm's distal end for receiving the limb of the bow. By adjusting the angular position of the support arm, the angle of the bow in the bow holder can be adjusted as desired.

Abstract: A rigid tree seat may be secured to a tree or worn as a backpack. The rigid tree seat comprises a sturdy frame having a seat portion and supporting ribs. The frame is removeably covered by a covering that, when in place, cooperates with the frame to form a pack for holding various supplies. First and second straps pass through the frame and the covering. The first strap is used to secure the rigid tree seat to a person's waist in backpack fashion or to a tree or the like. The second strap is used as a safety strap for a person sitting on the rigid tree seat in a tree.

Abstract: A portable tree seat has a flat rectangular frame with portions defining a longitudinal slot and an intersecting lateral slot. A brace formed of two bent rods joined by a triangular plate spike is rotatably mounted on the frame. A conical screw-ridged stud is affixed to the front of the frame and is adapted to be embedded in a tree trunk. A generally flat platform of rectangular plan is slidably mounted on the frame by a fastener running in the longitudinal and lateral slots. In the stored position the platform is parallel to and overlies the frame. In the extended position, the platform is perpendicular to the frame and serves as a seat.

Abstract: An attachment for existing crutches includes a foldable mechanism having a knee supporting platform and which is shiftable from a horizontal use position, on the inside of a crutch, to a vertical stowed position. Provision is included for vertical adjustment of the platform whereby a user may easily select either mode of the device when transitioning from a walking to a standing, at-rest position. Alternate knee supporting platform structure is proposed, to accommodate the desires of the user.

Abstract: A tree stand support platform assembly including a flexible strap or band for embracing a supporting upright and front and rear band supporting legs at opposite sides of the platform movable from and to a collapsed transport position to a raised operating position. The legs are each pivotally attached to the platform and pivotally joined to one another at their respective free inner ends. There is further provided improved means for detachably retaining slidable end portions of the flexible bands at the intermediate pivot connection of the front and rear legs with the use of an axially movable knob stem threadingly engageable with a slidable slotted retainer, and inside bracket on the platform for slidably retaining one of said legs relative to the platform.

Abstract: An improved tree fastener for a deer stand has adjustable tree clamping purchase provided by a pair of fork members forming a V-shaped throat for engaging the trunk of an adjacent tree and a continuously adjustable bolt and nut hooked into a tightening relation with a flexible band such as a link chain. The fastener is mounted on the seat module of a light weight modular ladder assembly of sufficient portability to be readily carried into a wooded hunting locale.

Abstract: A tree stand has a platform,a seat collapsible between a position overlying the platform and a position upstanding from the platform, and a climbing band for encircling the tree. The platform, seat and band engage the tree at three discrete points to afford stability. A safety rope is secured to the seat and has a Chinese knot for tightening the rope about the tree. A climbing aid is provided and includes a generally rectangular frame with one end frame member slidable toward and away from the opposite end frame member to adjustably lock in a selected position dependent upon the girth of the tree.

Abstract: An apparatus for engaging substantially upright columnar members, including trees, for supporting a person above the ground. This apparatus includes a support secured to a columnar member and a seat assembly suspended from the support. This seat assembly is fully pivotable around a generally vertical axis and it is spaced from the columnar member to enable a user to rotate 360.degree. with respect to the support and columnar member.

Abstract: A deer stand arrangement is presented wherein an interfoldable deer stand arrangement is of a compact organization to enable vertical positioning by use of a pulley arrangement with respect to a tree to enable ready securement of said deer stand to the tree. A pivotal seat framework has supportingly has secured thereto a water-proof fabric-like material wherein said fabric is releasably secured forwardly of the seat framework to enable said seat framework to interfold into the deer stand framework and said fabric thereafter may be overfolded of said deer stand framework to securedly position the various components therein.

Abstract: A tree stand comprising adjustable tree gripping and feet supporting means is also provided with spring actuated locking means for facilitating the adjustment of the tree gripping and feet supporting sections without the need for wrenches or other tools.

Abstract: The present invention provides a weight bearing device adapted to support weighted objects upon vertically extending pole-shaped objects such as wooden poles and trees. The device comprises an anchoring strap and a forked unit fitted with a leveraged support frame, a forked end member having terminal penetrating tips and radially extending downwardly and outwardly from the support frame. The strap is mounted at a pivotal site along the support frame. In operational use, the penetrating tips are aligned onto the pole-shaped object with the strap being looped about the pole and adjustably anchored onto the mount under sufficient strap tension to allow the major longitudinal axis of the forked unit frame to extend upwardly and outwardly therefrom. The adjusted strap tension should, however, be sufficient to permit the strap when further tightened by the leveraged action of the forked unit to form a pivotal anchoring site about the strap mount.

Abstract: The subject apparatus is a portable tree stand for observation purposes, and generally comprises, as the basic support member, a triangularly-shaped member, basically formed as a right triangle, when observed from the perspective of a side elevational view. Disposed in the leg of the triangular member which is comparable to the hypotenuese side of such triangular member, is an opening which is adapted to hold a longitudinally and vertically extending shaft member, the upper portion of which is affixed in a pivotal manner to the undersurface of a seat structure. The upright leg of the support structure, which leg is comparable to the vertical leg of the triangle, has upper and lower support elements adapted to engage the outer circumference of a tree trunk so as to affix the apparatus in a vertical position along said tree trunk.

Abstract: A wheeled, self-propelled deer stand for elevating hunters above the ground. The deer stand comprises a pivoted chassis the rear portion of which rotates to a vertical position when the structure is raised off the ground. The deer stand is motor-powered and has two pairs of bar and roller mechanisms for bracing the deer stand against a tree and providing stability when the deer stand is elevated. A winch and cable assembly is used to elevate the deer stand.

Abstract: A hand climber for hunter's use characterized by a vertical support mounting a flexible band and including a latching arrangement for lengthening and/or shortening the amount of usable band. An outwardly extending handle, for user grasping, is secured onto the support and, as well, a brace extends between the handle and the support, where the latter has an outwardly bent lower end portion adapted to bear against the bark of the tree trunk without a damaging effect.

Abstract: A tree stand has a platform, a seat collapsible between a position overlying the platform and a position upstanding from the platform, and a climbing band for encircling the tree. The platform, seat and band engage the tree at three discrete points to afford stability. A safety rope is secured to the seat and has a Chinese knot for tightening the rope about the tree. A climbing aid is provided and includes a generally rectangular frame with one end frame member slidable toward and away from the opposite end frame member to adjustably lock in a selected position dependent upon the girth of the tree.

Abstract: A outdoorsman's seat comprising a rigid rectangular seat member having canted opposed slots in its longitudinal edges to receive two limbs of a supporting line adapted to be secured to two spaced apart trees. The opposed inclined slots result in a resultant force vector which holds the seat more tightly and securely with increased weight but nevertheless affords easy sliding movement of the seat along the limbs as well as attachment and detachment therefrom.

Abstract: A safety device from a scaffold latch, providing a movable abutment arm which is supported to have two positions, a first position providing a blocking abutment which blocks latch-releasing withdrawal movement of the latch pin, and a second position in which it permits such latch-release movement of the latch pin, the abutment arm being co-operative with the release lever of the latch assembly to cause its movement to its second position automatically as the latch release lever is being actuated; and a spring automatically holds the safety's abutment arm in its first (pin-blocking) position unless the pin-release lever is being actuated.

Abstract: Apparatus for climbing trees, poles and other like objects includes a main frame having a hydraulically driven telescoping mast disposed in telescoping relation therewith. Upper and lower hydraulically energized gripping apparatus is provided respectively on said hydraulically driven telescoping mast and main frame and include gripping arms for establishing gripping relation with said object. The apparatus includes power and control circuitry for inducing telescoping movement to the hydraulically driven telescoping mast, actuation of the upper and lower gripping apparatus and for operating various winches that enable the apparatus to lift objects relative to the apparatus. The upper and lower gripping apparatus incorporates pressure energized safety lock-out apparatus that insures that at least one of the upper or lower gripping apparatus remains in gripping relation with the object to prevent falling of the apparatus.

Abstract: A portable tree stand having an elongated tubular sectioned ladder. Each section of the ladder is pivotably attached to the adjacent section. The bottom ladder section is attached to a ground brace and the top ladder section to a platform. Movable cylindrical sleeves prevent movement of the ladder sections in the erected mode.

Abstract: The present invention entails a tree mounted deer stand that is of a lightweight open frame construction. In particular, the deer stand comprises a tree trunk mounting frame and an open base frame structure extending generally normally therefrom. Extending upwardly from a central part of the open base frame is a seat support post having a rotating seat mounted thereon. A circumferential portion of the open base frame structure forms a foot bar that enables a seated hunter to propel and reposition himself or herself by pushing against the foot bar with his or her feet, while leaving the hunter's hands totally free for operating a firearm.

Abstract: A tree stand for supporting a hunter, outdoorsman, cameraman or the like at an elevated position upon a tree trunk. The stand includes tree-engaging extensions which support a longitudinal subframe spaced from the tree. Mounting extensions are provided for a platform and seat. The platform and seat are independently pivotal between extended and retracted positions. In the retracted positions the seat and platform are over top dead center to be gravity biased against the stationary framework.

Abstract: A combination hunting, backpacking and camping accessory that can be used as a hunter's climbing seat, a blind support, a backpack or a portable shelf for camp sites is formed from a pair of interconnected frame components each having first and second sections, a cross brace attached to the first sections and a support member releasably secured to the second sections. A cable or other flexible member is fixed at one end to the cross brace, has a series of stops attached to it along its length and is received in an open notch in the cross brace. When used as a climbing seat the cable is wrapped around a tree with the first sections extending downwardly, but when used as a backpack the accessory is reversed and the cable wrapped around the wearer's waist. When used as a shelf or a blind support the support member may be removed and replaced with extensions slipped over the second sections.