Abstract: A caster assembly with a horizontally orientated arm is attached to a base plate of a rack during a travel state and a stored state. A leveling foot with a flat portion and a non-flat portion is inserted through a slot on the arm and a hole on the base plate such that during the travel state, the horizontal orientated arm is in a fully extended position, and during the stored state, the horizontal orientated arm is in a non-extended position.

Abstract: Four leveling extensible legs are mounted on a heavy display case. These legs each include a cylindrical base mounted on the case which threadedly engages an inner cylindrical member that is extensible and retractable to engage the floor. An adapter includes a cylindrical body having a cavity that is closed at its distal end by a flange. This flange is bolted to a caster flange. The body is open at its proximal end to receive the leg inner member, a set screw releasably secures the adapter body and the attached caster to the leg inner member for movement therewith. This enables the display case to be moved during construction. The caster is easily removed by loosening the adapter set screw.

Abstract: A novel caster assembly with a horizontally orientated arm is attached to a base plate of a rack during a travel state and a stored state. A leveling foot with a flat portion and a non-flat portion is inserted through a slot on the arm and a hole on the base plate such that during the travel state, the horizontal orientated arm is in a fully extended position, and during the stored state, the horizontal orientated arm is in a non- extended position.

Abstract: The invention provides a device for avoiding inattentive-fall of a legged furniture article, comprising a support means having a cavity for passage of a leg member of the furniture article; and at least one roller rotatably attached to the support means, wherein the roller and the cavity are arranged vertically in a staggered mode. In the device of the invention, a simple one-way roller structure is used in order to enhance greatly the stability of the furniture article as well as impart the advantages of easy installation and convenient use to the device of the invention.

Abstract: An adjustable caster comprising a reversible mounting bracket offering added flexibility in adjusting the height of the caster and configured to removably attach to a structure to be supported by the adjustable caster; an internally threaded sleeve mounted to and extending from the mounting bracket, the sleeve having proximal and distal ends and a sleeve axis extending there between; an externally threaded stem configured to be removably threaded into the sleeve at either the distal or proximal end; a caster wheel assembly attached to the stem; and an adjustment assembly operatively associated with the stem and fully accessible to a user of the caster when the caster is assembled and the mounting bracket is attached to the caster-supported structure, the vertical adjustment assembly configured to adjust the vertical displacement of the stem along the sleeve axis.

Abstract: A quick-release caster assembly includes a wheel mount caster section having an outwardly extending support strut, at least one wheel rotatably mounted thereon and a connector plate mounted on the inner end thereof. A caster section mounting structure is includes a hollow mounting body having a forward opening, a first engagement plate partially closing a portion of the forward opening and a second engagement plate movably mounted thereon operative to alternatively partially close and open a second portion of the forward opening for releasably retaining the connector plate within the hollow mounting body behind the first and second engagement plates thereby releasably securing the wheel mount caster section on the caster section mounting structure.

Abstract: A base member for swivel caster comprises a fixed base, a rotation base and a hollow staff. The fixed base includes a ring member, and a plurality of first raceways lathed in an inward surface of the ring member. A support cavity is defined through a center of the rotation base. Assembling holes are defined in a connecting portion and communicate with the support cavity and the second raceways. During assembly, a plurality of rolling balls are extended through the assembling holes and loaded into the first raceways and the second raceways. Then a plurality of biasing balls is loaded into the assembling holes. The staff is inserted into the support cavity and blocks the assembling holes. The rolling balls contact the biasing balls instead of fixed components whereby the rolling balls swivel and rotate smoothly.

Abstract: A self-orienting caster, constituted by at least one wheel, which can rotate on a shaft driven horizontally through the seat of a support provided with a vertical recess open upward and offset axially with respect to the shaft and in which a caster pivoting pivot rotates that is provided with first and second portions insertable in a seat of a furniture piece, the second portion having an end stem with reduced diameter forming a shoulder, a bush fixed axially on the stem and forming an annular groove for accommodating, without play, an elastic ring that presses by expanding against the wall of the recess.

Abstract: Caster wheel assemblies that may be snap-fitted onto a cylindrical tank or drum are shown and described. Also dolly-wheel assemblies that include an axle supported by two wheels are also disclosed which may be snap-fitted onto a cylindrical tank or drum. The caster wheel assemblies and dolly wheel assemblies disclosed herein may be easily mounted onto a tank or drum without the need for a separate supporting platform. A flexible nature of the caster wheel assemblies and wheel-dolly assemblies enables them to be snap-fitted onto tanks of varying diameters.

Abstract: A bracket for temporarily attaching wheels and/or casters to objects at a variety of angles includes a horizontal member for supporting an object on an upper surface and for mounting a wheel or caster on a lower surface; and an attached substantially vertical side member for supporting an object along an inner surface wherein joint between said horizontal member and said substantially vertical side member is formed at an angle conforming to object to which bracket attaches and wherein said substantially vertical side member includes a vertical surface on its outer surface for accepting a wheel axle.

Abstract: A bracket is disclosed for use in open bottom type cabinets, such as file cabinets, which enables caster assemblies and the like to be secured thereto. The bracket is configured to be secured in the corners of an open bottom cabinet. In accordance with the present invention, the bracket provides stiffening of the cabinet as well as a secure surface for securing caster assemblies thereto. The brackets are simply mounted to the corners of the cabinet utilizing, for example, a pair of fasteners.

Abstract: An insert-and-play caster assembly. The assembly includes a base frame and a caster for assisting transporting loads. The base frame can be easily inserted and fixed to the downward surface of a load, and thus one or more such insert-and-play casters are attached to a load so as to facilitate delivering the load. One section of the base frame is an insertion section composed of a number of staggered insertion plates. The insertion section is inserted into a seam of a load, such as a packing box. The insertion section provides a firm attachment to the load, and then the caster underneath the base frame becomes capable of assisting transporting loads, leading to the benefits of simple applicability and effort saving.

Abstract: An office chair caster with a structural improvement in the invention mainly has a wheel holder, a wheel and a wheel axle. Extend the wheel axle through a through hole of the wheel, and then place the wheel in an open slot of the wheel holder to make both ends of the wheel axle respectively slide upwards from lower ends of two slide ways of two clamp plates of the wheel holder and further upwards along two inclined planes of the two slide ways so as to be inserted into two recesses of the two clamp plates with two ring grooves of the wheel axle respectively engaged with two circumferential ridges of the two recesses, thus provide a quick and secure assemblage to the office chair caster without worry of coming loose after a long-termed use.

Abstract: A baby bed has feet connected to lower ends of vertical supporting legs. Each of the feet has an upper fixed part, which is joined to corresponding leg when the baby bed is assembled in the factory, and a lower part, which is to be fitted to the upper part later by the user for the baby bed to be used. The upper part has elongated protrusions formed along the bottom, and the lower part has corresponding trenches on the top so that the lower part can be fitted to the upper part with the trenches being mounted onto the protrusions. All of the lower parts of the feet are placed in spare space of a packing box to save space in storage and transportation when the baby bed is folded and put in the box after assembling.

Abstract: A removably attachable wheel assembly for article transporting containers is provided for transporting containers such as luggage and other objects not originally equipped with rolling wheels with a rolling means for easier travel. Plastic bases mount to the luggage with the aid of adhesive foam tape or glue. Additionally, a pull strap is connected to the luggage with the aid of an eye hook which is also attached with adhesive foam tape or glue. The rolling wheels are then snapped to the plastic bases and are maintained thereto until positively released. Various size wheels to suit the load encountered can be snapped onto the same base. If the wheels and the strap are no longer needed, they may be easily removed from the base and stored until needed again. The wheel bases and the eye hook would permanently remain with the luggage or other object.

Abstract: Method and apparatus for removably affixing a wheel assembly (20) near the end and the edge of a leg (24,27) of nearly any existing or newly manufactured ladder (22) to aid a person (26) transporting the ladder (22). A preferred embodiment includes a first wheel (30a) and a second wheel (30b) whose axles (32a, 32b) are disposed orthogonally. Each axle (32a, 32b) is supported by a bracket (34a, 34b) coupled to a clamp frame (36) which is clamped to said leg (24,27). When the ladder (22) is placed, edge parallel to a supporting surface (28), and a person (26) carries the opposite end of the ladder, the wheel (30b) will roll on that surface (28). When the ladder (22) face is placed parallel to a supporting surface (28) and a person (26) carries the opposite end of the ladder, the wheel (30a) will roll on that surface (28). The wheel (30a, 30b) will carry a large portion of the weight of the ladder (22). For persons who use ladders frequently, the system can prevent personal injuries.

Abstract: A plastic caster has two legs for mounting a wheel(s) and a fork assembly with a bearing housing portion formed around a bearing assembly with inner and outer ring-shaped raceways and bearings evenly dispersed in a cage between the inner and outer raceways. A top-plate has an extension which extension engages the inner raceway permitting the top plate and fork assembly to independently rotate about the second axis. A retention plug is mated with an opening in the extension preventing disengagement of the top-plate from the inner raceway thereby securely attaching the top-plate to the inner raceway.

Abstract: A convertible tandem stroller includes a releasable lateral and longitudinal coupling system for permitting cojoint and independent movement of a pair of strollers. The coupling system does not have to be removed and stowed for independent operation. To permit compact lateral coupling of the strollers one of the front wheels may be raised during tandem operation by a hinge assembly and tethering connector.

Abstract: Between the base plate and the instrument are placed a bridge frame with a supporting point formed on its upper surface to support the instrument and a load-bearing section made with elastically deformable spring material having arc-shaped legs extending from the bridge frame toward the direction opposite to the instrument, while keeping a certain separation in between. Thereby, a weight supporting part that contacts with the bottom end surface of the instrument over a comparatively narrow area in a plane touch, or more preferably, in a point touch or in a line touch, and an absorbing part that absorbs vibrations transmitted from the instrument are made to coexist. Making the legs of the load-bearing section operate as an absorbing part to absorb vibrations not only in the horizontal direction but also in the vertical direction enhances the function of the supporting element to modulate vibrations to an even greater extent.

Abstract: Pallets and other structures with runners used in storing and transporting material may be fitted with wheels. The wheels permit the pallets and other structures, and the material placed thereon, to be moved by hand. The wheels may also facilitate movement of some pallets or the like with mechanical assistance. The wheels may be removably attached to both double deck and single deck pallets or other structures with runners and are retained thereon by a snug resilient fit. Installation may be accomplished by hand or with simple tools, such as by a hammer. Installation forces resilient walls of the wheel assembly over a deckboard or stringer board of the structure. The resilient walls may include retaining structure, such as barbs, to assist in holding the wheel assemble on the structure.

Abstract: A wheel assembly comprises a wheel-mounting base, a wheel, an axle, and two fixing members. The wheel-mounting base comprises a compartment that is delimited by two sidewalls having aligned axle holes. The axle extends through the axle holes of the wheel-mounting base and an axle hole of the wheel received in the compartment. The fixing members are respectively mounted to the sidewalls of the wheel-mounting base. Each fixing member comprises an axle-receiving hole for securely engaging with an associated one of the ends of the axle. Each fixing member is movable between a first angular position in which the fixing member is disengagable from an associated one of the sidewalls of the wheel-mounting base and a second angular position in which the fixing member is securely engaged with the associated one of the sidewalls of the wheel-mounting base.

Abstract: A caster, in particular for movable hospital beds, laboratory tables and the like, with a securing device which is connected to a handle via a Bowden cable. A locking piece (16) is movable between a locking and an unlocking position by Bowden cable (12), that, in the locking position, the locking piece (16), being located between pairs of stop faces (21, 22; 19, 19′, 20, 20′) which are fixed relative to a rotary part (6) and are fixed on the rotary part and which are designed in relation to an axis of rotation (2), blocks rotational movement about the axis of rotation (2), and that, in the unlocking position, the locking piece (16) releases at least identically fixed pairs of the stop faces (21, 22) for rotational movement of the rotary part (6).

Abstract: The invention relates to a wheelchair having side frames including tube sections having a tube-bend at the front bottom end of each in an area proximate to where a bearing housing is mounted. The bearing housing has an approximately vertical bearing bore for accommodating an upwardly directed axle pin of a steering fork for holding a caster. The bearing housing also has an adjustment device, which is integrated in the screw mounting, for adjusting the bearing housing with respect to the side frame in order to align the bearing bore perpendicular to the ground. The bearing housing is mounted to the tube-bend via a guide passage of a clamping shell, which is correspondingly curved and is open on one side. The clamping shell is fitted laterally to the tube-bend and, is displaceably guided and is fixable in the desired position by tightening at least one clamping screw.

Abstract: Between the base plate the instrument are placed a bridge frame with a supporting point formed on its upper surface to support the instrument and a load-bearing section made with elastically deformable spring material having arc-shaped legs extending from the bridge frame toward the direction opposite to the instrument, while keeping a certain separation in between. Thereby, a weight supporting part that contacts with the bottom end surface of the instrument over a comparatively narrow area in a plane touch, or more preferably, in a point touch or in a line touch, and an absorbing part that absorbs vibrations transmitted from the instrument are made to coexist. Making the legs of the load-bearing section operate as an absorbing part to absorb vibrations not only in the horizontal direction but also in the vertical direction enhances the function of the supporting element to modulate vibrations to an even greater extent.

Abstract: A retrofitted dolly system is included for use with an appliance having a rectilinear configuration with a top face, a bottom face, a rear face, a front face, and a pair of side faces. The system includes at least one wheel assembly having a mounting unit mounted to the appliance and a wheel slidable with respect to the mounting unit. Further provided is a coupling mechanism for selectively fixing the wheel with respect to the appliance at a predetermined height.

Abstract: A kit for assembling modular support structures is described. The kit comprises structural members and joining means. The joining means further comprise straight members, angle members and "T"-shaped members. A variety of different support structures of different shapes and sizes can be assembled by inserting the ends of the structural members into the ends of the various joining means. Furthermore, angle members may be arranged to include wheeled means, allowing for the construction of mobile support structures.

Abstract: An inexpensive and easily replaceable caster wheel assembly is provided for use with a cart, dolly or other similar product. The caster wheel assembly includes a mounting flange, a bearing assembly comprising inner and outer bearing races disposed within an opening of the mounting flange, a yoke having a rotatable wheel, and a retention member for releasably securing the yoke to the bearing assembly. In one embodiment, the inner race of the bearing assembly has a depending extension and a snap ring secures the extension in operative relation to the yoke. In an alternative embodiment, the yoke has an upstanding connecting element and a set screw releasably secures the connecting element in operative relation to the inner bearing race.

Abstract: A furniture glide has a clip having a pair of upstanding arms mounted within a circular ferrule. The ferrule defines a ferrule opening diameter less than the diameter of the clip arms. The clip is sufficiently resiliently deformable to be insertable through the ferrule opening and return to its original diameter. A rivet having concentric convex and concave swivel surface extends from the ferrule to support a shell assembly on the convex swivel surface. A glide base is mounted to the shell assembly and contacts the concave swivel surface.

Abstract: A retro-fittable mobility kit enables one person alone to conveniently move a heavy machine such as wood or metal-working machine of the type that is originally designed to remain in a fixed location, and that normally would require special handling equipment and/or several persons available, should it become necessary to move the machine. The mobility kit includes (a) a pair of fixed wheel assemblies to be mounted on each side toward a first end of the machine, each having a wheel partially enclosed in a metal bracket, and (b) one front swivel caster wheel assembly that mounts onto a central location at the second end of the machine. A preferred embodiment provides an adjustable clamping system on each of the three assemblies for attachment onto a structural member such as bottom framework of the machine, a fixed wheel assembly on each the side toward the first end, and a swivel caster in a central location at the second end.

Abstract: A universal bracket incorporating upper and lower components, the upper and lower components may be connected by a plastic hinge, or separate, with each component containing cooperating locking means to provide for permanency in their interconnection together, for supporting a downwardly depending caster, when the universal bracket is applied to a wire fabricated product, such as a basket, cart, shelf, or other type of item of furniture fabricated from wire components.

Abstract: A caster assembly for engaging, lifting and roll transporting columns of support racks, such as warehouse pallet racks, for movement of the support racks, includes an adaptor bracket secured to a housing of the caster assembly for engaging holes arranged on a web portion of a two-lines-of-holes-type column. The adaptor bracket is secured to the housing using fasteners arranged through selectively spaced fastener holes through a front wall of the housing. For a line-of-holes single type column, the adaptor bracket can be removed and individual lugs can be secured to the selectively spaced holes of the housing which correspond to the hole spacing of the column. Thus, the same caster assembly can be adapted to engage a column of either type.

Abstract: A chair base includes a leg assembly having a plurality of radially-extending legs, and a leg cover adapted to cover the legs. The tubular legs have a top surface divided by a center line and have apertures offset from the center line. The leg covers are adapted to cover the legs, and the leg covers including downwardly extending off-centered bosses for engaging the apertures. Each of the tubular legs have an end with aligned vertical holes therein. A sleeve-like pintle retainer is located in the aligned vertical holes and flared at its top and bottom to hold the pintle retainer in the tubular legs. The leg assembly includes a tubular center hub. The plurality of radially extending tubular legs each have a top wall, a bottom wall and opposing side walls, the top and bottom walls each having an arcuately shaped end engaging the center hub. A pair of ring welds extend continuously circumferentially around the center hub for welding the arcuately shaped ends of the top and bottom walls to the center hub.

Abstract: A three-wheel pivot-caster assembly that provides mobility for a power tool is described. The pivot-caster assembly includes a first frame assembly with two wheels and a second frame assembly that has a caster assembly which includes a swivel wheel. The first and second frame assemblies may be adjusted to accommodate power tools of various sizes. Additionally, a "stopping" mechanism is provided to maintain the swivel caster in its set position when the power tool is lifted. A straight line action clamp mechanism with locking feature prevents accidental actuation of the swivel caster when the tool is lifted or used over an uneven surface.

Abstract: A body member is held in place over a foot cast by flexible straps having hook-and-loop faster material. A wheel housing supports a wheel such that in a first orientation of the body member relative to a floor the traction pad is in contact with the floor and the wheel is disposed away from the floor so as to provide traction, and in a second orientation of the body member relative to the floor the traction pad is away from the floor and the wheel is disposed in rolling contact with the floor so as to reduce the traction. The wheel housing can include a toe stop. An adjustable fastening arrangement includes the flexible straps which pass through molded slots of the body member to permit sliding of the flexible strips. An O ring can be used in the adjustable fastening arrangement.

Abstract: A caster assembly for engaging, lifting and roll transporting columns of support racks, such as warehouse pallet racks, for movement of the support racks, includes an adaptor bracket secured to a housing of the caster assembly for engaging holes arranged on a web portion of a two-lines-of-holes-type column. The adaptor bracket is secured to the housing using fasteners arranged through selectively spaced fastener holes through a front wall of the housing. For a line-of-holes single type column, the adaptor bracket can be removed and individual lugs can be secured to the selectively spaced holes of the housing which correspond to the hole spacing of the column. Thus, the same caster assembly can be adapted to engage a column of either type.

Abstract: A wheel assembly for the tubular end of the horizontal member of an inverted T-shaped table leg comprises a cylindrical housing which plugs into the tubular end. A recess in the housing opens through its cylindrical wall at an opening which subtends an angle of less than 180.degree.. A wheel is mounted within the recess on an axle pin which is parallel to, and displaced from, the longitudinal axis of the housing.

Abstract: A wheel adapter that can be slipped onto the legs of equipment and shelving, such that the equipment and shelving can be rolled into a different location. The adapter comprises a wheel which is attached to a socket that has an inner socket cavity. A secondary adapter is coupled to the socket. The secondary adapter has an opening that allows the leg to be inserted into the socket cavity and secured to the wheel adapter. There are typically a plurality of different size secondary adapters. The opening for each secondary adapter is one of a number of different sizes and shapes that correspond to the size and shape of the leg. The secondary adapter may be easily replaced by another adapter so that the overall assembly can be used with different legs. The wheel can be of the caster variety to allow the equipment and shelving to be moved in any direction.

Abstract: A caster holder includes an open frame and retainers for holding the plate of a caster at two ends. The open structure of the frame is economical and minimizes weight. The frame may be economically manufactured by bending a single strip of metal. The frame may be provided to the user in kit form for the user to weld to an object. The retainers may include a fixed rod or a lip at one end and a removable bolt at the other.

Abstract: An insert adapted to be positioned within an elongated channel member having a base portion and a pair of parallel sides, with the sides terminating in internally curled edges defining an open side forming a C-shaped channel, the insert having a width to be conformably received in said channel member either for longitudinal movement therein or to be positioned therein to receive the shank or axle of a caster or wheel, respectively. The insert may be either square in cross section and generally rectangular in shape or generally cylindrical with a pair of oppositely disposed grooves formed in the side surfaces of the insert to receive the curled edges of the channel member. The insert also may be provided with a body portion having a pair of oppositely disposed flanges extending from the body to form a generally rectangular outline, the insert being received in the channel member in a longitudinal manner.

Abstract: An adapter is removably attached with engagement means, such as screws, to an object such as the leg of a piece of furniture, such as a table or chair. The adapter attaches to the furniture leg in such a manner that the screws do not mar the furniture, nor do they require a groove, indentation or recess on the furniture leg for attachment thereto. The adapter is configured so that the distance from the leg to the ground is less than the diameter of the wheel mounted on the adapter. The adapter is also configured so that the leg is laterally displaced from the wheel. The wheel is also swingably retractable so that the furniture can be made stationary without having to remove the adapter.

Abstract: Removably attachable roller components provide an article of luggage or other objects with a rolling capability. The roller components are economical to manufacture, easy to attach to an article of luggage, and strong enough to resist detachment under high impact forces. Further, the assembly of components, while particularly useful for an article of luggage, are adaptable to provide other types of articles with a rolling capability. The roller components include a first coupling member attachable to a selected location on an article, and a second coupling member attached to a wheel subassembly and engageable with to the first coupling member. The first coupling member has one side adapted for attachment to the selected location on the article, and a plurality of hook or loop fasteners extending away from the other side. The second coupling member supports a wheel structure on one side and a plurality of hook or loop fasteners extending away from an opposite side.

Abstract: A releasable caster for use with a moveable structure having a bottom wall wherein the caster has a swivel connected yoke and stem with the yoke supporting a plastic wheel. The stem includes a manually operable spring biased rod that has an indentation between its ends and co-acts with a ball detent. A shell with a flange at its outer end is adapted to be received in an opening in the wall. The shell has an abutment, prefereably in the form of a groove with the upper edge forming an abutment which copperatively locks the ball detent or releases the ball when the rod is moved longitudinally or rotationally.

Abstract: A golf putter training device that includes a removeably attachable bracket and a roller mounted in the bracket. In one embodiment, the invention features a golf putter comprising a bracket removeably attachable to the bottom surface of a putter and a roller mounted in the bracket. The bracket of the training device is held onto the bottom face of the club head by mounting pins that fit into outwardly facing holes in the bottom surface of the putter. The bracket that holds the roller may be fabricated of a flexible material, such as spring steel or plastic. The roller is approximately 70% the length of the club head to provide friction to alert the user to a misaligned putting stroke.

Abstract: A retaining system for retaining casters and slides. The retaining system is adapted to be fastened to a cabinet-like receptacle having side walls and a bottom, and includes at least one retaining device. The retaining device is comprised of: a bracket adapted to be fastened to the side walls of the cabinet-like receptacle at the bottom thereof without the interposition of a bottom plate; and a plurality of plates, each of the plates having a receiving pin for receiving one of a caster and a slide and being embedded in the bracket.

Abstract: A support assembly is provided for mounting a wheel to a frame member. The assembly includes a sleeve for telescopingly receiving a frame member, a collar for telescopingly receiving the sleeve, a housing for separable connection to the collar and for mounting to a wheel axle, and a locking member on the housing for engaging a recess in the sleeve in order to couple the housing to the sleeve.

Abstract: A merchandise display apparatus is disclosed, which comprises a foldable/erectable tubular structure formed of a series of foldably connected wall panels. When erected, the tubular support has at least three sides, at least one of which has an intermediate hinge line to accommodate a bellows fold. A plurality of caster assemblies is provided, one for each corner of the polygonal configuration formed by the erected tubular support. The caster assemblies include rigid channel-forming flanges, arranged at a predetermined angle corresponding to the corner angles of the erected polygon. When the foldable polygon is erected, the caster assemblies are applied over the lower end portions, at each corner, providing mobile support for the structure and simultaneously rigidly securing the otherwise foldable wall panels in the desired, erected cross sectional configuration. A rigid forming panel is inserted into the erected structure and is supported by the caster assemblies.

Abstract: A detachable dolly for moving heavy electronic equipment employs a mounting bracket and a wheel assembly, the mounting bracket having a support plate and a mating flange. The mounting bracket is secured to the equipment by the support plate, having at least one lifting dowel, and at least one mounting bolt. The wheel assembly has a wheel mounted within a wheel bracket and a rotation adjustment mechanism for raising and lowering the wheel and is detachably engaged with the mating flange on the mounting bracket by the use of a mating member. The mating member is movably coupled with the adjustment assembly such that when the mating member is engaged with the mating flange, rotation of the adjustment assembly serves to vertically raise or lower the equipment.

Abstract: A mounting plate for detachably fixing a heavy duty, normally permanently attached, swivelling base plate caster roller unit to an object to be transported is cut from an extrusion shaped to form a flat bottom plate with raised parallel sides each including an overhanging flange such that parallel grooves are provided into which the caster's swiveling base plate can slide. Attachment of the mounting plate to the transportable object utilizes at least two mounting pins (screws, bolts or rivets), at least one of which protrudes from the mounting plate inside surface to form a stop to prevent the swivel plate from sliding all the way through. A spring loaded button, which becomes flush with the mounting plate when depressed, allows the caster swivel plate to enter the cavity provided by the parallel extruded grooves and the protruding mounting stop.

Abstract: A chest, footlocker, article of luggage or the like can be equipped with corner members having studs to provide feet for the article. The corner members can be retrofitted with roller members which have flanges in which the studs are received so that the article can be rolled where desired. The members have mating connections for coupling them together.

Abstract: A swivel wheel assembly which is easy to assemble and convenient for use includes a tube plug inserted into a tube leg, a pivot pin inserted into the tube plug and a rotary member rotatably secured on the pin. The rotary member supports a shaft and pair of wheels. By using a hard material for the pin, a softer material for the rotary member and a still softer material for the tube plug, friction is reduced. The plug, pin and rotary member are assembled without the use of fasteners. The rotary member includes a resilient flexible member with a key received in a circumferential groove of the pivot pin.