Abstract: A hand tool is provided for facilitating assembly of a fiber optic connector which includes a body, a forwardly projecting fiber ferrule and a backshell member. The tool includes a base with a forward upstanding portion for receiving and positioning the fiber ferrule and a rearward upstanding portion for receiving and positioning the connector body. The rearward upstanding portion forms a saddle for receiving the connector body, the saddle having a flat side for engaging a flat side of the connector body to prevent rotation thereof as the backshell member is threadably assembled thereto.

Abstract: A portable universal saw table used to rip long narrow pieces such as trim molding, siding and plywood which supports a long piece while sawing without binding the power saw including two parallel rails held by cross braces between which are removable cross pieces for supporting the work piece. The cross pieces are cut during sawing and are replaced when sufficiently chopped up. The table also permits transverse cutting. A back guide is provided. An electric saw platform is also provided.

Abstract: An adjustable support apparatus (10) for use with table saws (100) to support and secure diversely configured workpieces (200) thereon, between a pair of adjustable clamp units (13) which are selectively disposed on at least one pair of extension arm units (12) operatively connected to the table saw (100).

Abstract: For holding a plurality of different, in shape, workpieces, a holding unit comprises a laminated body with a number of thin identical shaped elongate plates which have one ends forming a workpiece supporting surface, a vibrator unit for moving the elongate plates so as to vary the shape of the workpiece supporting surface to create a new one, and a bias mechanism for clamping the laminated body, so the newly created shape of the workpiece supporting surface is maintained.

Abstract: A support device for facilitating the sharpening of a knife blade or the like is provided. The device is a solid block of rigid material having a flat lower surface to rest on a stable surface and an upper surface parallel to the lower surface. The upper surface has an elongated arcuate channel therein which extends the length of the block. Two spaced apart lips extend horizontally along the upper edges of the channel and extend slightly inwardly of the upper edges of the channel towards each other. A knife having a width greater than the width of the channel is inserted into the channel with its cutting edge extending out of the channel for sharpening, its non-cutting edge abutting against one of the lips, and the side if the knife abutting against the other lip. Thus the knife is held at the proper angle for sharpening with a stone.

Abstract: A vertically adjustable vise having a collapsible sawhorse support is provided. The vise is mounted such that the opposing clamp faces are horizontally disposed and approach each other vertically. The vertically mounted vise can accommodate wider boards, and holds the boards in a horizontal position such that they are easier to cut with a saw. The sawhorse support is readily collapsible to a more compact, substantially flat configuration by disengaging braces, allowing for efficient storage, such as by hanging on a wall.

Abstract: Disclosed is a molded plastic sawbuck having two end supports and a crossbar. Each end support has a hub and four integrally molded support legs radiating therefrom. The crossbar can be integrally molded to the hubs of the end supports or the end supports may have a bore in the hub for detachable association with the crossbar. The crossbar is preferably non circular in cross section and has a spinner thereon which protects the crossbar from the chainsaw. Two legs of each end support are shorter than the other two legs and the relative orientation and length of the leg is such that the sawbuck can be rotated from its normal position so that material to be cut such as a log can be supported on sloping ground or supported on level ground such that the height a heavy log has to be lifted over the tops of the legs is reduced. The legs may have apertures or apertured lugs associated therewith whereby a carrying strap can be connected to the sawback to carry it into the bush.

Abstract: Clamping apparatus for holding a workpiece such as a log comprises a cruciform support frame of legs the upper limbs of which define upwardly open V-shape volumes for receiving a log. Arcuately clamped arms are pivotally connected to respective legs and spring biased to a closure position by springs joined by chains to a rigid connector link pivoted to the clamp arm by a pivot projecting onto the opposite side of the clamp arm from the pivotal connection by which it is connected to the leg frame allowing it to be moved to an over-center cocked position in which a curved tail portion projects into the V-shape volume to act as a trigger initiating closure of the clamp arm with the log is placed in position.In other embodiments a flat working surface replaces the diverging support arms.

Abstract: A support apparatus for a through-hole soldered circuit board for use with circuit board lead trimmer of the type having a planarly-movable cutting head and a base plate below the cutting head parallel to the head's plane of movement, the setup of which can be changed rapidly and with little probability of error by a low-skilled operator.

Abstract: An apparatus defining right and left side walls, with a top web and a bottom web, each arranged parallel relative to one another and orthogonally directed between the side walls. The side walls include a series of increasing apertures, with apertures of each side wall coaxially aligned relative to one another of a like diameter. A forward edge of the top web includes a gradation gauge for indication of dowel length directed through the aligned apertures. A modification of the invention includes a groove directed through the bottom web, with a slot directed through a right side wall aligned with the groove to receive a saw blade within the groove for storage and lubrication thereof to enhance cutting during use.

Abstract: An apparatus for suspending and rotating a boat about its longitudinal axis in either direction, including a pair of movable and adjustable support frames having connecting arms which are designed to rotatably engage the support eyes (also known as ski tow eyes, wench eyes or mooring eyes) on the rear and front ends of the boat. The rear support frame includes a rotatable shaft upon which the rear end connecting arms are rigidly mounted so as to be capable of rotating the boat about its longitudinal axis. The rear support frame also includes a base frame with a pair of extensible legs which are adjustable to support and balance varying sizes of boats. Each support frame includes a hoist for causing vertical movement of the connecting arms which support the boat. The front end support frame is constructed so as to define a passageway therethrough to facilitate removal of the boat trailer upon which the boat rests, once the boat is hoisted therefrom.

Abstract: A "generic" jig is provided for assembling a wing box or, in other words, the major portion of a wing. The jig has an elongated base to which is attached one or more elongated strongback modules. The modules define the position of the wing box's lower spar. Modules may be interchanged as is directed by the particular wing box which is to be assembled. At one end of the jig's base is an inner stand-off module for defining the position of the wing box's root end, and at the other end of the base is an outer stand-off module for defining the position of the wing box's tip end. Both inner and outer stand-off modules are also interchangeable in accordance with the particular wing which is to be constructed.

Abstract: A mobile table having a variety of tool mounts that also serves as a carrier for workpieces. The table includes an offset frame having four fixed tubes and a pair of asymmetrical end pieces which support them. The four fixed tubes, which are parallel to each other, form the top of the table and serve as housing for four movable tubes.The two outer fixed tubes house movable tubes which are rigidly connected to a support structure. The remaining two movable tubes are pivotally connected to the support structure and, once withdrawn from the fixed tubes, can be rotated into a vertical position. So rotated, they form legs for the support structure. One end of each of the two outer movable tubes, even during full extension, is retained within a fixed tube. The movable tubes and the support structure comprise an extension for the table which can be used to double its length.Moreover, each of the asymmetrical endpieces includes two horizontal bars of equal length, two vertical columns of unequal length, and a brace.

Abstract: A double jawed locking hand vice is provided which comprises a gripping means for securely holding a tubular member and a securing means for securing a nut of preselected size and shape against rotation with respect to the tubular piece when the tubular piece and the nut are held concentrically disposed with respect to one another within the vice.

Abstract: The principle utility of the blade modification tool is as a work holder for holding a helicopter blade in a firm position and a process for cutting at least two feet from the end. More specifically, in conformity with FAA regulations, a Bell Helicopter Model UH-1H rotor blade assembly may be modified for FAA approved installation on the Bell Helicopter Model UH-1B.

Abstract: A universal transmission work station (10) designed for use by a single person to mount and service any model or type of automatic transmission (50). Thus, the invention solves the problem of needing more than one work station to service the various models/types of transmissions used today. The work station (10) requires a minimum work space, is easily stowed when not in use and is easily dismantled for storage or shipment. The work station consists of eight common assemblies and a ninth assembly especially designed to service frontwheel drive transmissions. The design basically consists of a base assembly (12) to which is attached a lower and upper pivoting assembly (14) (16). After the transmission (50) is mounted to the work station, by means of a tail housing support assembly (18) and a bell-housing mounting plate assembly (20), the pivoting assemblies (14) (16) can be tilted to allow the transmission (50) to be serviced in a horizontal position.

Abstract: An elongated in-the-field relatively long workpiece supporting frame provided with a wood working tool is formed by a pair of upright end frames, horizontally supporting a pair of tracks therebetween.The tracks in turn support a carriage movable along the tracks toward or away from either of the end frames.A workpiece extending between the work frames is supported by horizontal panel members on the frames while the workpiece lies on the work table of the wood working tool.

Abstract: A workbench with its devices, which includes a work table which is formed with a plurality of o-shaped or straight bars each equally spaced apart, and adjusting clamps, which can be installed in between any two of the bar materials on the work table. If the clamps are loosened a bit, the adjusting clamps will be permitted to move in position along the bars. The use of one piece or pieces of adjusting clamps will be permitted to clamp and treat workpieces of any shape and size, wherein two slowing-going adjusting seats can be used to fix L-set plates respectively with themselves and a fixture. Each L-set plate has an upside-down U-shaped hole on its vertical portion, which contains a plurality of toothed convexities on the inner rim adapted to fit in the adjusting plate in geared shape, and is used to permit the adjustment of the angle and position of the adjusting plate in geared shape.

Abstract: A model airplane jig is disclosed which is particularly adapted to support a model gasoline engine airplane in substantially any position or orientation so that repairs can be made to the same. The jig includes a weighted base and a vertical post extending upwardly therefrom. A horizontal beam is pivotally connected to the top of the post through a ball joint and trunnion with the connection being radially offset from the axis of the post. Front and rear wheel clamps adjustably mounted adjacent the ends of the horizontal beam attach to the wheels of an airplane and secure the plane to the jig.

Abstract: A band saw blade fixture has a number of symmetrically situated pins extending from one side of a flat plate and separated by a void therebetween to hold the abutted ends of a flexible band saw blade therebetween.

Abstract: A frame for supporting a crankshaft has two supports with depressions for holding the shaft of a crankshaft to permit rotation of the shaft. The supports are placed in a frame that has two arms with brackets that hold the supports against the arms. The arms are connected parallel to each other by a connecting bar that may be adjustable in length. The connecting bar may be telescoped for adjustment and provided with a locking device, such as a threaded screw and nut. In a second embodiment, the arms are connected by a plate.

Abstract: The means comprises a ski bench and attachment piece that has a horizontal support beam that is attached to a plurality of independent folding leg supports. At each end of the horizontal support beam are slotted vertical end supports for the front and rear tips of the skis to fit onto a solid position. An attachment piece is positioned along the horizontal centerline of the horizontal support beam and at its mid-point. This attachment piece has a plurality of immovable vertical extensions that have rigid twin u-shaped supports and a rigid angled brace located at the top of the vertical extensions. A cross country ski binding will snap into position against one of the u-shaped supports or against the angled brace. Separate contoured ski tip supports fit into the slots of the vertical end supports and are used to firm the ski tip area when necessary.

Abstract: A rack, in particular for making up faggots, cutting logs, etc.

Abstract: An apparatus for providing a rotor of an electrical rotating machine in which the apparatus has frame means including a pair of spaced apart support members each having arcuate shaped surfaces engaging opposite shaft ends of a rotor to thereby support the rotor on the frame means. A drive belt has first and second loop ends with the first loop end being positioned around the rotor for driving the latter. Where the rotor includes a commutator, the first loop end may be positioned in engagement with a generally cylindrical surface of the commutator. A drive means, including a pulley around which the second drive belt loop is wrapped, is provided for rotating the rotor to selected winding attachment positions at which winding sections may be attached to the magnetic core of the rotor.

Abstract: An adjustable device for rigidly holding any one of several different types of automotive hydraulic system master cylinders during assembly, disassembly, testing, maintenance, bleeding, and repair procedures, and a method of using same is described. A drip pan is provided to catch drips emanating from a master cylinder being held, if desired.

Abstract: An appliance tilt stand for releasably supporting a washing machine or other appliance in a forwardly tilted, secure position during servicing, comprises a base configured to be disposed on a floor surface and slid underneath an appliance from the front of the appliance to a point determined by the abutment of a stop member mounted on the stand base with the inside lower front frame of the appliance. The base also mounts, a spaced distance rearwardly of the stop member, an elongated, telescoping pivotal support arm mounting a pad member arranged to engage and support the front wall of an appliance tilted forwardly thereagainst, the arm also mounting an appliance-engaging arm configured to engage the top frame of an appliance and positively and securely lock the appliance in tilted position on the stand. Rollers are preferably also included on the base of the stand to permit the appliance repair tilt stand to serve also as an appliance dolly during servicing.

Abstract: The invention comprises an adjustable support for support elongated miniature objects such as the fuselage or wing of an airplane or hull of a boat laterally of its length. The supports have their one ends attached to a horizontal surface, with the support each having a post fixed to their other end and a movable support having a post to be movable on the adjustable support to a position adjacent the lateral side of the miniature object opposite the fixed post to support the lateral sides of the object. A flexible string may be extended beneath the object and connected to the posts to support the bottom of the object in continuous close proximity.

Abstract: A work support structure characterized by a leg supported spine which carries spaced apart laterally extending work support sections and, if desired, a work platform. The length of the spine and the length of the work support sections dictate the size of the overall work support area. The legs are vertically adjustable and accommodate variations or any unevenness in the support surface (flooring or terrain) on which the structure rests. A locking arrangement secures each of the work support sections at a preselected location.

Abstract: An apparatus and method for maintaining articles such as automotive body parts, appliance body parts, tools, windows, masonry supplies and equipment, panelling, roofing material, and the like in an appropriate position for receiving service such as reconditioning, measuring, cutting, sanding, painting and the like. This apparatus selectively collapses for storage or shipment, and selectively opens to provide an easel-like support frame as well as multiple horizontally disposed support frames for servicing such articles.

Abstract: A system and method for using an individual's unique golf club parameters in the design and manufacture of custom golf club sets at a single work station. The invention accurately measures and cuts the head and butt ends of a complete set of golf club shafts in a single step, permits uniform installation of grips, and precise adjustment of loft and lie and of swing weight distribution.

Abstract: A transporting and positioning method and an apparatus therefore utilizable in an assembly line. A first member is positioned at a first predetermined position while a second member to be connected together with the first member is positioned and held at a second predetermined position. The second member is then transported to a third predetermined position defined immediately above the first predetermined position. The second member so transported to the third connected together by, for example, spot-welding effected to the outer peripheral edges of the first and second members overlapping with each other.

Abstract: An apparatus for uncoupling a threaded joint between a pump or turbine shaft and an impeller using the power of a hydraulic cylinder is disclosed. The apparatus has a housing with a V-shaped upper surface for supporting the end of the pump adjacent the impeller, a vertical support for supporting the opposite end of the pump which is adjustable in height and distance from the housing, and a hydraulic cylinder which is pivotally mounted on the side of the housing remote from the support. The rod of the hydraulic cylinder has attached to it a chain and hook for attachment to the impeller blade.

Abstract: Apparatus for handling large heavy components of motor vehicles includes a movable cart having a top planar surface member and a hydraulic lift mounted to the cart. The hydraulic lift carries on the upper end portion of the smallest piston a head apparatus which includes a plurality of movable and adjustable arms with an angle member on one end of each arm. The head apparatus is adjustable to engage the contour of the component to be handled.An adapter is mountable on the piston rod for use in handling a fuel tank containing fuel when work thereon is necessary.Fixed to one end of the cart are supports for a sleeve that can pivot through 360 degrees. The cart also carries a tank into which fluids flow from said motor vehicle and the component.The component to be handled, when lowered to the top planar surface, is maneuvered to a position and secured by an arcuate member that is mounted to a shaft slidable in the sleeve.

Abstract: A turbine blade positioning fixture for accurately positioning a turbine blade relative to its stacking axis during a grinding of the blade root form is characterized by a unique positioning assembly which enables the operator to quickly insert and remove turbine blades relative to the fixture for accurate uniform positioning of successive blades. The fixture includes a rigid base for supporting spaced sections of the air foil portion of a turbine blade, and a locator pin is connected with the base for abutment against the datum point of the blade. A spring-biased upper block is resiliently connected with the base to exert a positioning force on the surface of the air foil portion of the turbine blade to urge the blade against the support of the fixture base and against the locator pin. More particularly, the upper block and the base define a cavity therebetween for receiving the air foil portion of a turbine whose root form is to be ground.

Abstract: A portable gun cas holder comprised of a pair of gun supports mounted within a carrying case wherein one of the gun supports is equipped with a clamping assembly which holds the gun in place wherein the clamping assembly may be adjusted to accommodate the individual characteristics of a particular gun and furthermore where the gun supports may be adjusted in height and further may be folded within the carrying case to allow for easy transportation of the invention.

Abstract: An engine stand for transporting and storing an engine is universally adjustable to adapt it for use with a wide variety of engines of different sizes and configurations. The engine stand includes a base portion, a pair of upwardly extending front legs on the base portion, a pair of upwardly extending rear legs on the base portion, a pair of adjustable front mounting assemblies on the front legs and a pair of adjustable rear mounting assemblies on the rear legs. The front mounting assemblies are adjustable in vertical longitudinal and transverse directions relative to the base portion and the rear mounting assemblies are adjustable in vertical and transverse directions relative to the base portion to adapt the stand for receiving engines of various different sizes and configurations.

Abstract: Systems are provided to support marine craft comprising a plurality of support apparatus. Each support apparatus is comprised of a surface for contact with the marine craft, an extension member which is fastened at one end to a base and connected pivotably at its other end to the surface, and the base. The base provides means for fixedly engaging and retaining the extension member at a given orientation. The base is attached to the extension member at its end remote from the end which is connected to the surface. In addition, the base provides means for adjustably connecting the base to adjacent bases, which in turn engage adjacent extension members. The plurality of support apparatus are arranged such that a marine craft which contacts the surfaces of the support device is supported in a stationary position.

Abstract: An engine block reboring system for main bearings in which the block is mounted on a pair of rails extending laterally on a workbed and is rebored by a tool driven by a right-angle drive extension on a vertical boring machine after the position of the block has been adjusted so that the vertical axis of the boring machine spindle and the desired reboring axis are in the same vertical plane, and the proper height for the tool is set for reference, so that the bearings can be rebored by manipulating the spindle vertically and horizontally in said vertical plane with respect to the height reference. Apparatus is provided for initially properly aligning the block and keeping it in aligned position during the reboring operation.

Abstract: A stand or support for various kinds and types of small motors, generators and air compressors while servicing them, as well as testing them under running conditions, the stand or support having a bracket attachable to a bench or vertical post and a simple frame being supported for rotation thereon. The frame comprises an elongated angle iron member to one end of which an engine support is connected fixedly and perpendicularly thereto and a second similar engine support extends perpendicularly from the elongated member and is longitudinally adjustable therealong but is adapted to be clamped at any desired location thereon for attachment of a small engine or the like to the engine supports in accordance with the position of bolt holes on the engine or other type of small device.

Abstract: An electrode plate arranging jig according to the invention which allows to arrange electrode plates with high precision and facilitates the work of constructing an array of electrode plates, characterized in that a member with a plurality of grooves cut at pitches at which the electrodes are arranged has a structure of two superimposed members (11, 12) deviatable from each other in the direction in which the plurality of grooves are arranged, and has grooves (13, 14) having a width which has enough leeway compared to the thickness of the electrode plates.

Abstract: A plurality of limbs or the like are secured together, to form a limb bundle (B). The limbs are positioned in a space defined laterally between a pair of posts (34, 38 or 80, 82) on one side (14) of a frame (12, 78) and a second pair of posts (36, 40 or 36', 40' or 86, 88) on the opposite side (16) of the frame (12, 78). A windlass (50, 52) is supported at the upper ends (46, 48) of the posts (34, 38 or 80, 82). A cable (60, 64) extends from the windlass (50) either downwardly and around the girth of the limb bundle (B), and then hooks on itself (62), to form a noose around the limb bundle (B), or it extends from the windlass (50) down to and around a pulley (68) then upwardly and over a mid portion of the limb bundle (B'), and then down to a dead end connection (66) at a lower portion of the frame (12). In either case, tightening of the cable (60, 64) imposes a squeezing force on the limb bundle (B, B').

Abstract: In an apparatus and method for producing packs of blades used for cutting ystal bars into discs, the individual blades are first aligned in the position desired by an assembling jig and then fixed at the end portions thereof by fixing agents, whereby the assembling jig is then removed and the pack of blades is clamped in the holding frame of the reciprocating saw. The apparatus and method makes possible a quick and uncomplicated production of the pack of blades, and eliminates the need for small spacer plates that were hitherto common.

Abstract: An EDM device includes two support bars bearing on the same reference surfaces as the workpiece. Gibs are provided which engage into driving units able to displace them axially while holding them at a small distance under one support bar. The other support bar carries the receiving units wherein the gibs engage at the end of their stroke. Each driving unit may push the gib engaged therein against the lower surface of the respective bar. Whenever one or several such gibs are stopped under a part cut out of the workpiece, the part will lie thereon and remains fixed even after the electrode has completed a closed path cutout by electroerosion separating the cut-out part from the workpiece. The cut-out part may then be automatically removed by means of a mobile member equipped with a suction cup.

Abstract: A hydraulic work support assembly includes a externally threaded housing and a sleeve pressed into the bore of the housing which in turn receives a cylindrical plunger. The plunger may be extended to any one of a number of positions and thereafter locked in place upon application of hydraulic pressure to an annular chamber between the sleeve and the housing which causes the sleeve to contract and grip the complimental plunger. The end of the sleeve and the end of the housing lie in a common plane transverse to the central axis of the housing, and seals are carried by the housing and the sleeve adjacent the ends thereof in contact with opposite sides of an annular chamber formed in the bottom of a recess of base structure.

Abstract: A jig for coping crown molding includes a base with a pair of right-angled isosceles triangular support blocks mounted on dowels to the base and with their faces that are at a 45.degree. incline to the base normally facing forward on the base. In one embodiment, the base has a rod which mounts one or more clamps. The clamps hold a length of crown molding with one of its flat rear surfaces resting on the base and with its inclined flat rear surface against the inclined faces of the support blocks. An end of the crown molding piece projects beyond the base where it is accessible for hand coping. The proper shape of the end of the crown molding for corner junctions can then be achieved using wholly vertical saw strokes. In another embodiment, the crown molding is held against the inclined surfaces of the support blocks by an abutment that is adjustably positioned on the base and spaced from the support blocks.

Abstract: A jig for bending a hockey stick blade is made of a backing plate and two spacers secured on one of its surface. The backing plate has two slots extending between the two spacers. A pressure plate located between the spacers is connected to the backing plate through the slots by a pair of threaded rods so as to slide along the slots. Tightening nuts are mounted on both rods. The hockey blade is adapted to abut on one side, at both end, against the spacers and on the other side of the blade, the pressure plate applies a pressure by tightening the nuts. The apex of the curve can be located anywhere along the blade and the plane of the face of the blade can also be tilted.

Abstract: An extension table assembly for a table saw, the extension assembly including an elongated top slab assembly supported by a wheeled carriage and attachable at one end to the top table of a table saw to be coplanar therewith, a series of fences carried by the top slab assembly at successively different spacings from that end of the top slab, each being movable from an operative position extending above the slab to an inoperative position not extending thereabove, and a loader assembly formed by a part of the top slab assembly and being pivotal to a vertical position for receiving a vertically disposed large or heavy work piece so that it may be easily moved onto the slab assembly by tilting the loader assembly back to horizontal. The wheeled carriage is collapsibly foldable upwardly against the bottom of the top slab assembly, this collapsing action being accomplished semi-automatically by pushing the assembly forwardly over the rearward edge of a truck bed.

Abstract: The sawbuck includes a suitable frame for mounting a pair of opposed jaws for supporting logs or the like in cantilevered fashion at a convenient height above ground level. The upper jaw is pivotally movable to not only render it self-adjusting whereby to accommodate logs of different diameter, but also is self-locking to secure a log relative to the sawbuck.

Abstract: A fixture for supporting and masking a portion of a window assembly during a painting operation includes a lower cover pivotally attached to an upper cover for movement between an open position and a closed position. In the open position, a window assembly can be inserted between the covers and in the closed position the covers mask a glass sheet and expose a gasket of the window assembly for painting. The upper and lower covers can be formed with a generally planar floor surrounded by upstanding walls having recessed portions formed in the sidewalls dimensioned to retain and seal the glass sheet. The lower cover can be hingedly connected to a mounting block for approximately 180.degree. of rotation to expose both sides of the extending gasket to a paint spray apparatus. A latching mechanism can be provided to maintain the upper and lower portions in the closed position during the painting operation.

Abstract: Systems are provided to support marine craft comprising a plurality of support apparatus. Each support apparatus is comprised of a surface for contact with the marine craft, an extension member which is fastened at one end to a base and connected pivotably at its other end to the surface, and the base. The base provides means for fixedly engaging and retaining the extension member at a given orientation. The base is attached to the extension member at its end remote from the end which is connected to the surface. In additon, the base provides means for adjustably connecting the base to adjacent bases, which in turn engage adjacent extension members. The plurality of support apparatus are arranged such that a marine craft which contacts the surfaces of the support device is supported in a stationary position.