Abstract: Improved board game with plurality of rectangular planar elements, each marked with a rectangular array of playing squares includes a game board with a plurality of squares designated as entrance squares and located on opposite sides of a central division into two kingdoms between opposed positions for two players. At the left of each player position a sanctuary is located and comprises an intermediate size planar element at a level above the game board, with a control square and a passage square, and a smaller size planar element at a level above the intermediate size element, with a control square, a passage square and a royal chair square. At the right of each player position a domain is located and comprises three planar elements, the first two like the intermediate and smaller size elements of the sanctuary and the smallest uppermost and having a throne designation on it.

Abstract: A multi-pipette system of the type having sample volume determined by size of cavities into which flexible membrane portions are drawn, provides a microporous block with the cavities formed in it for drawing the flexible membrane into the cavities when pressure is reduced above the microporous block. Slide-in-place location and replacement is provided for supply containers, disposable tube arrays for drawing up samples and for expelling them, and for flexible membranes. In an embodiment microporous block cavity size is adjustable.

Abstract: A drafting instrument includes a plurality of transparent prism arrays, each array including a plurality of transparent prisms juxtaposed in parallel relation and fixed at a predetermined angular relation to a straightedge on top of which the bases of the prisms rest. The preferred predetermined angular relations are: 30.degree., 45.degree. and parallel, to the straightedge. When viewed through the prism arrays, portions of lines not perpendicular thereto, appear offset, providing a way to establish perpendicularity and specific alignment between line and straightedge by re-orientation of the drafting instrument. The straightedge is made substantially thicker than required for structural strength, to enhance the offset appearance of lines viewed through the prism and thus increase sensitivity of offset indication. The straightedge preferably has two edges on opposite sides and parallel with each other.

Abstract: A system for weight lifting exercises provides the user with a guided leg press/multi-press that has a safety mechanism which is adjustably limitable to prevent a barbell, an assembly of weight plates on a weight lifting bar, from falling below a chosen height. A series of holes in uprights provide a range of adjustment for barbell support rods during guided bench-press and standing-press use on a slide assembly permit a plurality of barbells to be received at one time, thereby increasing the weight-load capacity of the slider system. A part of the system serves as a chin-up bar. Numerous exercises using the system may be performed. A supported barbell includes a pivotal foot-plate with angle limiting provision. A slider assembly may include a two-piece apertured flange for locking a barbell in place during an exercise.

Abstract: A self-contained system eliminates need for hydraulic or other lines from a crane to a grapple or clamshell bucket on the end of the crane hoist line. A wireless (radio or sonic) portable remote-control unit sends signals to a hydraulic power system carried above the grapple or clamshell bucket, either as an integral part of the bucket or spaced a distance up the line from the bucket suitable for avoiding damage when the grapple or clamshell bucket is used in dredging or is otherwise submerged.

Abstract: An improved adjustable overhead sign bracket system of the type having: a supporting cable clamp, adjustment in the plane of a supporting cable for setting lateral angle of a sign, adjustment about a substantially vertical axis for setting direction in which a sign is to face, and provision permitting a sign to swing in the plane of the direction in which facing to lessen the magnitude of wind loads, provides improved access and swinging clearance at the adjustment about a substantially vertical axis, in the form of a centrally located vertical locking bolt as slim shank portion of an integral inverted "T" member, the lower, substantially horizontal portion of which is a compact sleeve for a pivot bolt providing for the swinging of a sign suspended from it by a sign frame having upward arms engaging the pivot bolt; for economy and versatility in wrenching operations and adjustment in fabrication if desired, the vertical locking bolt may be a conventional bolt with head welded to the sleeve, and a nut and back

Abstract: A hand-operated sheet metal layout and marking tool supports sheet metal on a base where it may be laterally guided by a fence adapted for use at either side of the sheet metal, and permanently marks location of bend lines to be made, by means of a die-head carrying a row of pointed dies and pivotal for simultaneously impinging the dies against the sheet metal. The base has a recess along it in alignment with the row of dies to permit the sheet metal to yield for easier indenting. Spacing between the dies is easily set by means of a scale fixed on the base, and a die carrier ring carrying each die, that slides along a grooved rod coaxial with the similar rings carrying the other dies and can be fixed in position by a set screw that rides in the rod groove. When desired, any die can be swung out of operation, and all can be swung together by rotating the rod.

Abstract: An improved rotary magnet thermal generator system of the type having an array of magnets in alternating disposition coaxially disposed about and parallel with the shaft of a motor driving the rotary array and having a copper heat absorber and a ferro-magnetic plate fixed on a face of the heat absorber, includes as efficiency improver a plurality of heat sink plates extending beyond the ferro-magnet plate into a plenum through a respective plurality of close-fitting apertures. In a further embodiment the heat sink plates are in thermal contact with sinusoidally convoluted tubing that both increases surface area and provides for optional heating of gases and/or fluids at the same time.

Abstract: An improved motor vehicle body and frame straightener of the type usable with conventional "dozers" to pull bodies and frames into shape and alignment, and having an adjustable anchor-free rectangular rail system with slidably positionable jacking provisions and laterally adjustable body grippers provides cross-slides integrally mounting the jacking provisions and laterally adjustable body grippers for better speed in set-up and better access for "dozers", while preserving facility to move the laterally adjustable body grippers without concurrent movement of the jacking provisions; grippers of two types, jaw and stud, may be interchanged by withdrawing a gripper arm and re-inserting it rotated 180.degree..

Abstract: A quick-attach, quick-detach shoe accessory in the form of a container for carrying keys, rings, paper money, coins and like items on the instep of a tennis shoe or other lace type shoe, has a sheath-like body with open top end with a covering flap and closed bottom and pleated sides securable to a shoe by a tongue attached to the bottom, passing beneath the shoe laced portion and terminating at the top in an end having a pair of shoe-lace holes matching another pair of shoe-lace holes in an upward extension of the body so that shoe laces may be passed through the shoelace holes and tied, holding the container on the top of the instep of the user's foot.

Abstract: A muscle stretching and exercising system provides in a first embodiment a hinged, folding base with folding legs; a detachable user-supporting handle structure. In the extended position the base provides on the top surface a pair of tracks on which two carts run. Each cart has a cushioned pivotal platform on it. A user grasping the handle structure may support one leg on each cart and stretch his or her muscles, particularly those associated with the legs, either by kneeling in whole or in part or by placing other portions of the legs on the carts. Stops and measuring indicia may be provided, as well as quick-release cart removal. A second, non-folding, embodiment may have modified handle structure and line and pulley structure for drawing carts together, either manually or electrically. The handle structure in each embodiment may be adjustable.

Abstract: Pressure transients are used to produce motion for high speed printing of DOTS; in a first embodiment each printing element in an array of printing elements has the form of an angled rigid tube sealed at the ends; one end is fixed, the other end is free to move; the tube is filled with suitable fluid and has two electrodes associated with it and the fluid; a spark across the electrodes on demand produces a pressure transient by expanding the fluid, in turn tending to straighten or otherwise suitably deform the angled tube in a direction advancing the free end for printing; in a second embodiment employing ink as the fluid, a ball point pen arrangement dispenses ink as the second end advances on spark actuation.

Abstract: A system for braking axle-attached wheels of a tractor trailer and the like includes first and second arrays of discs symmetrically opposed about the centerline of a tubular axle containing the arrays of discs; symmetrical also in each array of discs is a first plurality of discs slidably attached to the axle and a second plurality of discs slidably attached to the housing; the axle comprises a stub axle at each end protruding from the housing in position for mounting a wheel or wheels; in braking, a two-lobe, cam-actuated system simultaneously compresses the respective arrays of discs in directions opposite each other for frictional retardation of the axle; bearings carry the axles; the cam actuated system includes a spreader plate driving a pressure plate on each side of centerline.

Abstract: A folding table provides at one end short legs individually height adjustable to rest on the rear of a motor vehicle and at the other end longer legs individually height-adjustable for ground support, constituting a substantially universal fit to automobiles with trunks, and station wagons, with levelling or sloping as desired; in addition, an adjustable sliding brace which steadies the folding table can coact with the shorter legs to clamp the folding table to vehicles; novel, shaped-spring structure is incorporated in leg-positioning provisions and the adjustable brace and the legs are contained within the case-like configuration when the folding table is folded for transport or storage.

Abstract: An improved digging iron for probing for buried high tension lines has for safety an insulative, non-wettable shaft of glaze-finish fibreglass which may additionally have a silicone rubber dielectric coating on it. The shaft has shouldered ends fitting sockets of the chisel shaped digging end and of a circular-section top section with the shoulders abutting the sockets and the ends bottoming in the sockets for support; the top section acts to reinforce the shaft for driving or as an integral hammer mass and serves as a balance for the digging end.

Abstract: A reciprocating thermal actuator system with hydraulic coupling to hydraulic motion output such as a motor is powered through cooling or alternatively heating of a thermally expansible liquid contained within respective chambers of ring shaped cross section, the heating and cooling provisions being integral with the unit and adaptable for either natural or artificial heating and cooling; details of a thermal switch in two embodiments, and of an electrical system synchronizing the heating are disclosed.