Abstract: Disclosed herein are novel embodiments of progressive mobility aid devices. Such progressive mobility aid devices are designed to progress through a variety of configurations to accommodate the use of the progressive mobility aid device in a safe and secure manner as the user of the progressive mobility aid device traverses a variety of surfaces and terrain such as traversing irregular surfaces including sidewalks and stone-based surfaces; loose surfaces and terrain including gravel and sand; soft surfaces including wet ground and carpeted surfaces; and variable gradient surfaces including stairs and inclining or declining surfaces and terrain. The progressive mobility aid devices accommodate such uses with an articulating design that provides for front legs of the progressive mobility aid device to be pivotably adjusted with respect to the rear legs of the progressive mobility aid device, and with wheel assemblies that are selectively deployable and retractable.

Abstract: An anti-tilt device for a caster that includes a wheel, rotatably mounted in a frame, for rotation about a rotation axis. The anti-tilt device, comprising first and second face plates; first and second flanges extending from opposing edges of said first plate, each of the first and second flanges wrapping beside the first face plate; first and second flanges extending from opposing edges of said second face plate, each of the first and second flange extending beside the first face plate, to prevent rotation of the first and second face plates when mounted to the caster frame; first and second legs extending from the first second face plates, respectively; and a bar, extending between the first and second legs across a tread face of said caster wheel when mounted to said frame, at a defined angle of the tread face, as measured from a vertical axis extending through said rotation axis, when said caster is level. Each of said first and second legs includes a defined bend to place said bar at said defined angle.

Abstract: A bed base frame assembly of a bed generally comprises a base frame, a plurality of steerable and lockable casters, a lateral support assembly at the first and second sides of the base frame assembly, and an in-line support assembly at the foot end of the base frame assembly. The lateral support assembly may further include: a base frame; a first leg and a second leg rotatably connected to the base frame; a first actuator connected to the first leg and the second leg, wherein the first leg and the second leg rotate from the retracted position to the extended position; a third leg and a fourth leg rotatably connected to the base frame; and a second actuator connected to the third leg and the fourth leg, wherein the third leg and the fourth leg rotate from the retracted position to the extended position.

Abstract: An article of furniture has retractable and extendable wheels secured beneath each leg. The mechanism for retraction and extension is accomplished by an activation means in mechanical communication with each wheel.

Abstract: A vertically adjustable support or table with legs each having a pneumatic foot assembly operated to engage roller ball assemblies on the floor surface thereby allowing the table to be rolled. Each pneumatic foot assembly has a piston unit which is operated by pressurized air from a source, which is controlled by a valve on the table, and which is fluidically connected to a piston chamber of the pneumatic foot assembly. Once the table has been rolled across the floor and is in a desired location, the control valve is operated to release the air from the piston chamber and to rest a circular rim of the pneumatic foot assembly, and therefore, the legs of the table firmly against the floor surface for a stationary or fixed positioning of the table.

Abstract: The telescoping adjustable leg comprises a tubular housing, a tubular toe, a cylindrical toe, a base and an externally threaded rod. The adjustable leg 10 is expandable from a fully retracted position to a fully extended position by rotation of the housing and cylindrical toe relative to the tubular toe.

Abstract: A convertible pallet alternately displays and ships/transports associated product received thereon is disclosed herein. The pallet includes a substantially planar support member for receiving the associated product thereon. At least first and second wheels are mounted to the pallet. A convertible support surface is movably mounted to the pallet, the convertible support surface having (i) a first position where the convertible support surface receives loads imposed on the upper surface and transfers the loads directly to an associated surface, and (ii) a second position where the wheels extend outwardly from the lower surface for engagement with the associated surface so that loads imposed on the upper surface are transferred to the associated surface through the wheels and for converting the pallet into a movable cart.

Abstract: A support assembly includes a body, a first bearing assembly, a first fastener, and a leg. The body includes a first aperture centered on an axis. The first bearing assembly includes a first ball bearing. The first fastener is threadably engaged with the first aperture. The leg is selectively repositionable along the axis. The leg includes a support. The first fastener is configured to cooperate with the leg to cause repositioning of the support relative to the body in response to rotation of the first fastener within the first aperture.

Abstract: A mobile surgical robotic cart assembly used for minimally invasive surgery includes a vertical column supporting a robotic arm thereon and a base portion having at least three casters adapted to allow the surgical robotic assembly to move. The surgical robotic cart assembly further includes an immobilization assembly coupled to the base portion, the immobilization assembly being configured to move between an unlocked position and a locked position. The surgical robotic cart assembly is mobile when the immobilization assembly is in the unlocked position and immobile when the when the immobilization assembly is in the locked position.

Abstract: A mobile surgical robotic cart assembly used for minimally invasive surgery includes a vertical column supporting a robotic arm thereon and a base portion having at least three casters adapted to allow the surgical robotic assembly to move. The surgical robotic cart assembly further includes an immobilization assembly coupled to the base portion, the immobilization assembly being configured to move between an unlocked position and a locked position. The surgical robotic cart assembly is mobile when the immobilization assembly is in the unlocked position and immobile when the when the immobilization assembly is in the locked position.

Abstract: Disclosed are: a caster mounted on a teaching aid including a whiteboard, or furniture, etc. so as to conveniently and stably convert between a movement state and a stopping state; and a whiteboard including the caster. The caster is mounted on a pedestal fixed to the lower end of a column frame on which the whiteboard is mounted.

Abstract: A mobile furniture system includes a work surface and a framework assembly, which includes a pair of vertical frame members to support the work surface. The frame members extend above the work surface. At least one utility service line is routed through the framework assembly. A rotatable support may be operatively coupled to each frame member. The rotatable support includes a housing and a rotatable wheel. At least a portion of each of the rotatable supports is in vertical alignment with one frame member. A pair of leg members is operatively coupled to the work surface and is spaced from the pair of frame members. Another rotatable support is coupled to each leg member. A movable foot may be coupled to each of the frame members and to each of the leg members to support the system in a stationary configuration upon a lowering movement of the movable foot.

Abstract: Latching motion transfer arrangements may be used to raise an object up and out of the engagement with the ground or other support surface and to lower the object back onto the ground or other support surface. In one exemplary embodiment, the mechanism is caused to lift and latch by applying force in a first direction, a first time, and is caused to release and lower by applying force in the first direction, a second time.

Abstract: A caster wheel device for a domestic appliance is in the form of a wheel mounting carriage, a dial having an underside forming a cam, a cam follower that contacts the cam, a wheel bracket and a wheel. The wheel bracket retains the wheel within it so that the wheel and bracket pivot about the follower independently of the carriage. The cam follower is attached to the wheel bracket and the wheel is able to trail behind the cam follower to form a trailing wheel caster when lowered.

Abstract: In various embodiments, a caster assembly may include a wheel rotatably coupled to a caster housing and a deflector tab pivotably coupled to the caster housing and offset from an outer wheel circumference for use in moving or traversing obstacles encountered during wheel movement. In some embodiments, the deflector tab may include at least one retaining element configured to hold the deflector tab in a pusher position or allow movement of the deflector tab into a ramp position. In the pusher position, the deflector tab may push a mobile obstacle in front of the wheel motion. In the ramp position, the deflector tab may facilitate moving the wheels over a fixed obstacle.

Abstract: A vertically-adjustable caster wheel apparatus for use on a forklift truck, material handling cart, and the like. The caster wheel apparatus of the present invention provides a yolk frame having a pivot pin connected to and extending through the yolk frame. A wheel frame has one end pivotally connected to the yolk frame and a second end rotatably connected to a wheel. An elastic member has a first retainer connected to one end of the elastic member and a second retainer connected to an opposite end of the elastic member, wherein the first retainer is connected to the pivot pin in the yolk frame to allow the elastic member to pivot with respect to the yolk frame. Means for adjusting the vertical height of the wheel is provided by adjusting the angle of the wheel frame relative to the yolk frame.

Abstract: The present invention relates to a retrofittable roller element (1) for an automatic storage system, the roller element comprising an adapter plate (2) and a transport roller (3), a foot (10) for the automatic storage system, with the foot standing on a floor (11) in an operative position (B) and being lifted from the floor in a transport position (T), and to a method for displacing an automatic storage system. To be able to displace automatic storage systems in an easy way and at low costs, it is intended according to the invention that the adapter plate (2) comprises a continuous fastening opening (8) for mounting the adapter plate (2) on a foot (10) for the storage system and the foot (10) comprises an abutment (W) for the adapter plate (2), and that a force for lifting the foot (10) is introduced into said foot.

Abstract: Latching motion transfer arrangements may be used to raise an object up and out of the engagement with the ground or other support surface and to lower the object back onto the ground or other support surface. In one exemplary embodiment, the mechanism is caused to lift and latch by applying force in a first direction, a first time, and is caused to release and lower by applying force in the first direction, a second time.

Abstract: A caster for being mounted to a bottom of a device includes a support, a connecting member, and a wheel mounted to the connecting member. The support defines a receiving space. The connecting member is threadedly connected to the support, and comprises a bracket accommodated in the receiving space. The wheel is rotatably mounted to the bracket. The support and the connecting member are operable to rotate relative to each other, with the wheel moving to expose out of or retract inside the receiving space.

Abstract: Improvements in a trailer hitching and tracking steering system are disclosed include a new style RV or wagon style RV that includes an extendable, variable position tow bar that accommodates misalignment of a tow vehicle. The tow bar can be rotated for storage within the RV wagon. Further improvements include a wheel steering mechanism to improve tracking of a towed vehicle using a bi-directional caster front suspension for steering a wagon style RV in both a forward and reverse direction. The caster of the front wheels is automatically re-directed depending upon the direction of travel of the RV. The suspension system includes a steerable rear suspension that minimizes the amount the back wheels will cut the corner when turning. The improvements also include the use of visible light beams to guide a tow vehicle backing up to an RV to be correctly positioned for hitching without assistance.

Abstract: A portable tool stand assembly includes a pair of wheels that are mounted on an axle that is received in a bracket plate. The bracket plate defines a J-shaped slot that has a mobility position in which the wheels are lowered relative to the tool stand assembly to permit the tool stand assembly to be wheeled into position. The wheels may be shifted to a work position in which the wheels are raised relative to the tool stand assembly with feet provided on legs engaging the ground and supporting the tool stand assembly.

Abstract: An enhanced structure for the base with roller and belt of hardshell zipper case is provided, including a hardshell zipper case main body, a plurality of hidden roller units, a retractable belt unit, and an auxiliary wheel set. The hidden roller units and the retractable belt unit are placed inside the roller housing trench and the belt housing trench located at the bottom of the hardshell zipper case main body. When the hidden roller units are not in use, the roller units are entirely hidden inside the roller housing trench so that the roller unit will not be damaged due to careless handling. To move the hardshell zipper case, the outer rim of the roller units are exposed outside of the surface of the roller housing trench so that the roller units can roll along when moved. The belt of retractable belt unit can be easily pulled out from one end of the bottom of the hardshell zipper case.

Abstract: The present invention relates to castor wheel assemblies, in particular but not exclusively, to castor wheel assemblies of a type suitable for use with trolleys, for example supermarket trolleys or luggage trolleys. Embodiments of the invention provide a swivel castor wheel assembly configured to support an object to be moved across a surface, the assembly comprising a swivel castor wheel having an axis of wheel rotation and a steering axis and mounted on a first member, wherein the first member is configured for connection to the object in such a way that the steering axis can be moved between first and second different rake angles without substantially changing a height of the object over the surface.

Abstract: A rack includes a chassis, and a plurality of wheel assemblies secured to the chassis. Each wheel assembly includes a bracket, a wheel, and a handle. The bracket is rotatable relative to the chassis between a first position and a second position. Each wheel is capable of rotating about an axis. A distance between the axis and the chassis when each bracket is in the first position is less than a distance between the axis and the chassis when the bracket is in the second position. The handle is secured to the bracket and configured to rotate the corresponding bracket, and extends inside the chassis.

Abstract: A leveling leg and wheel assembly for an appliance, including a first member having a first end attached to the appliance, and a second end opposite to the first end; a second member, one of the first member and the second member being slidably disposed in the other of the first member and the second member; a roller fixedly disposed relative to the first member and extending downward beyond the second end; a threaded sleeve fixedly disposed relative to the first member; and a leveling leg having an upper end, a lower end and a threaded portion therebetween, the threaded portion threadedly engaging the threaded sleeve so that rotation of the leveling leg causes the leveling leg to move, relative to the threaded sleeve, between a first position where the roller engages a ground surface and a second position where the leveling leg engages the ground surface.

Abstract: A bed leg with a caster, equipped with a braking mechanism that allows the bed to be immobilized is provided. The bed leg comprises a housing, which houses a caster, an actuating mechanism installed in the housing, a pedal joined to a lever and a braking pad mounted on the lower part of the actuating mechanism.

Abstract: A lift wheel set used in a machine tool includes a mounting member having a first bevel face, a wheel holder having a second bevel face and a wheel. When the wheel holder is in a first position, the second bevel face of the wheel holder is seated with the first bevel face of the mounting plate, and the wheel holder is prohibited from downward movement. When the wheel holder is in the second position, the second bevel face of the wheel holder is slid along and forced against the first bevel face of the mounting member so that the wheel holder is moved downwards relative to the mounting member to force the wheel into engagement with the floor for enabling the machine tool to be moved to a desired location by rotation of the wheel.

Abstract: A wheel support assembly is mounted to a pivotable system spanning an opening, with the pivotable system mounted to one side of the opening at a pivotable connection and to another side of the opening at a removable connection. The support assembly is disposed proximate the removable connection and spaced apart from the pivotable connection, and has a wheel positioned and oriented to support the pivotable system weight that would otherwise be cantilevered as the pivotable system rotates about the pivotable support. The wheel support assembly may include a vertically adjustable wheel that may be adjusted to remain just out of contact with the support surface when the pivotable assembly is connected to both the pivotable and the removable connections.

Abstract: The present invention relates to a retrofittable roller element (1) for an automatic storage system, the roller element comprising an adapter plate (2) and a transport roller (3), a foot (10) for the automatic storage system, with the foot standing on a floor (11) in an operative position (B) and being lifted from the floor in a transport position (T), and to a method for displacing an automatic storage system. To be able to displace automatic storage systems in an easy way and at low costs, it is intended according to the invention that the adapter plate (2) comprises a continuous fastening opening (8) for mounting the adapter plate (2) on a foot (10) for the storage system and the foot (10) comprises an abutment (W) for the adapter plate (2), and that a force for lifting the foot (10) is introduced into said foot.

Abstract: A caster for providing rolling support including a spring-loaded mount. The caster may be substantially concealed in the bottom edge of a hinged, swinging door, and generally located proximate to the free vertical edge of the door. An elongated spring plate is provided as a mount for a roller, causing the roller to accommodate variations in the floor surface, maintain contact with the floor, and support the door. The spring plate has a first portion adapted to be mounted to the bottom edge of a door, and a second portion depending from the first portion. An axle is mounted to the second portion, inside a hub that is mounted to the roller. The axle may be substantially parallel to the first portion of the spring plate. Single roller and double roller caster assemblies are provided.

Abstract: A height adjusting device includes an attachment bolt, an adjuster, a female screw portion, and a circular groove. The adjuster includes a flange portion operable from an outside and is fixed to the attachment bolt so as to be rotatable integrally with the attachment bolt. The female screw portion is formed in a piece of furniture. The attachment bolt is screwable into the female screw portion. A circular groove is formed around the female screw portion. The adjuster includes a brake portion protruding from the flange portion in a rotation axis direction of the adjuster. When inserted into the circular groove, the brake portion abuts a wall surface of the circular groove and is at least partially deformed thereby to bias the wall surface, resulting in suppression of rotation of the adjuster.

Abstract: Snappable wheel holders for environmental control units such as radiators, heaters, fans and air conditioners. Wheel holders can attach wheels to brackets located underneath the units by mateably attaching male protruding ends into female slots. Plastic triangular pieces can snap into openings to lock the wheel holders to the brackets. The brackets can be attached underneath the units by clamping U-bars with wing nuts.

Abstract: A wheel assembly for attachment to the leg of a trampoline has means for moving the wheel from a first raised position where the wheel is not supporting the trampoline leg above the ground, to a second position where the wheel is supporting the trampoline leg above the ground. In that way the trampoline can be rolled on wheels without having to subsequently remove the wheel assemblies for storage.

Abstract: A stop system for a mobile chair having wheels is provided including a plurality of shroud members configured for covering each radial chair leg of the mobile chair. Each shroud member is movable in a first direction to enable a mobile state of the chair and in a second direction to enable a stationary state of the chair.

Abstract: Snappable wheel holders for environmental control units such as radiators, heaters, fans and air conditioners. Wheel holders can attach wheels to brackets located underneath the units by mateably attaching male protruding ends into female slots. Plastic triangular pieces can snap into openings to lock the wheel holders to the brackets. The brackets can be attached underneath the units by clamping U-bars with wing nuts.

Abstract: A tripod has an extensible strut for improving the stability thereof by tying the strut to a sturdy object. In another aspect of the invention, a method of using a tripod includes attaching the tripod to a sturdy object. In another aspect of the invention, a novel caster wheel mechanism permits easy relocation of the tripod. In another aspect of the invention, a multi-function support is provided. In yet another aspect of the invention, a tool rack is provided supported by the tripod.

Abstract: The invention relates to a swivel wheel (10) with suspension (14), comprising a wheel frame (11), a wheel element (12) able to turn about a horizontal wheel axle (13), a suspension (14) and an arm (15). At one end the arm (15) is attached to the wheel frame (11) such that it can pivot about a horizontal arm axis (17) and at the other end it supports the wheel axle (13) some distance away from the arm axis (17). The suspension (14) engages on the arm (15) at an arm engagement point (18) and on the wheel frame (11) at a frame engagement point (19). The arm engagement point (18) and the frame engagement point (19) define a straight suspension axis (20) running through these points. The wheel furthermore has an adjustment mechanism (30) that is equipped for setting the distance (D) from the suspension axis (20) to the arm axis (17) by moving the arm engagement point (18) and/or the frame engagement point (19) along an adjustment track (31).

Abstract: An assembly for supporting a home appliance includes a support base and two roller assemblies mounted on the support base. Each roller assembly includes a roller rotatable about a first axis and a rod coupled with the roller assemblies. Each roller assembly is rotatable with respect to the rod about a second axis different than the first axis. The appliance includes a cabinet having a top panel, a bottom panel, side panels, a front panel, and a back panel.

Abstract: The present invention is directed to a tip-resisting caster which is adapted to provide tip resistance for a barbecue grill when tip tested for compliance with Canadian Standards Agency standard no. 1.6, Section 2.18.4 The preferred caster of the present invention comprises a chassis, a connector such as a flange or a post, at least one wheel, and a kickstand or the like. The connector depends upwardly from the chassis, thereby defining a longitudinal axis for the caster, and is operable for attachment to an object desired to be rolled. There are preferably two wheels which are connected to the chassis about a rotational axis, whereby the rotational axis is generally transverse to the longitudinal axis and is offset from the longitudinal axis towards a rear side of the caster. Due to the offset between the rotational axis and the longitudinal axis, the wheels are biased towards a rear side of the caster.

Abstract: A caster includes a fixing portion installed on a bottom surface of an object, a wheel portion which is installed to be elevated into a flange portion and has a moving wheel provided on a bottom surface of the wheel portion, and an elevating portion to control the wheel portion to elevate into the flange portion. The wheel portion descends from the fixing portion to move the object and elevates into the fixing portion to fixedly dispose the object in a position. Therefore, a height of the caster is controlled to be high when the heavy object is being moved, and controlled to be low when fixing the object in a position, thus improving the appearance of the object.

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: An improved leveling device having a unique elongated adjusting leg and locking hub which permits the secure leveling of an appliance without the use of extraneous tools.

Abstract: A furniture glide is provided for mounting to a leg of a piece of furniture. The furniture glide having an inner surface for engaging a bottom of the leg of the piece of furniture and an outer surface for engaging a supporting surface. A first and second sidewalls project from opposite sides of the base and have inner surfaces for engaging opposites sides of the leg of the piece of furniture. Each sidewall is pivotable between a first storage position wherein the sidewall is spaced from a corresponding side of the leg and a second operating position wherein the sidewall is in engagement with the corresponding side of the leg.

Abstract: A brake is disclosed for use with a cart. The brake includes a pad that contacts the floor to resist movement of the cart. The height of the pad is adjustable.

Abstract: A caster for providing rolling support including a spring-loaded mount. The caster may be substantially concealed in the bottom edge of a hinged, swinging door, and generally located proximate to the free vertical edge of the door. An elongated spring plate is provided as a mount for a roller, causing the roller to accommodate variations in the floor surface, maintain contact with the floor, and support the door. The spring plate has a first portion adapted to be mounted to the bottom edge of a door, and a second portion depending from the first portion. An axle is mounted to the second portion, inside a hub that is mounted to the roller. The axle may be substantially parallel to the first portion of the spring plate. Single roller and double roller caster assemblies are provided.

Abstract: A support (10) is disclosed for use with food service equipment. The support has a tubular upper portion (11) and a tubular lower portion (12) telescopically mounted within the upper portion for adjustable vertical movement. The upper portion has a plastic support body (15) surrounded by a stainless steel support sleeve (16). A steel, externally threaded stud (17) is mounted to the support body. The lower portion includes a stainless steel, tubular foot (22) having a plastic glide (23) press fitted into its lower end and metal insert (24) mounted in its top end. The metal insert has internally threaded, central channel (25) extending completely therethrough. The insert is threaded onto the bottom end of the threaded stud for threaded vertical movement along the stud.

Abstract: An industrial caster wheel assembly including a base member, a wheel, side plates, a housing, a pivot axle, a suspension assembly and an adjustment assembly. The suspension assembly includes an adjustable axle, a support member, and a plate. The support member allows one of the wheel and the base member to rotate about the pivot axle as the adjustable axle compresses the support member by contacting the plate. The adjustment assembly adjusts the height of the industrial caster wheel by adjusting the pressure applied by the adjustable axle to the support member. The industrial caster wheel assembly may alternatively include at least one adjustment assembly that can be placed in contact with at least one of the second axle to press the second axle at least indirectly against the elastomeric support member or the first axle to press the first axle toward the center of the housing.

Abstract: The present invention provides a stable tripod stand for sensitive optical devices such as telescopes and the like. The tripod may be moved around on wheels which are coupled to casters and when positioned may be secured to the ground to provide an adjustable and highly stable support that significantly reduces the incidence of jitter. The tripod includes a stabilizer member that extends through the casters to selectively engage the ground. The leg members of the tripod have a triangular shape and support links between the platform and the leg members form interlocking triangular supports which reinforce the leg members.

Abstract: A vertically adjustable bed includes a bed frame attached to movable legs powered by a motor. Operation of the motor causes the legs to move longitudinally along a guide rod, collapsing the legs beneath the bed and moving the bed frame vertically. Collapsing the bed to its substantially lowermost position compresses a spring. The energy stored by the compression of the spring is used to raise the bed from its substantially lowermost position. Pivotally attached to the legs is a caster and foot arrangement. During normal operation, the foot engages the floor. When the bed frame moves to its substantially uppermost position, a pin extending from the leg engages one end of a slot, causing the caster to pivot and engage the floor, rendering the bed horizontally mobile.

Abstract: An adjustable support apparatus, for elevating a furniture article, includes a base and a cradle which operatively engages the base so as to be supported thereby. The cradle includes a substantially horizontal support platform adapted to support a portion of a furniture item thereon. One of the base and the cradle has a plurality of projections extending outwardly thereon, and the other of the base and the cradle has a plurality of recesses, which mate with the projections when the base and the cradle are operatively engaged. The base and the cradle are rotatably adjustable relative to one another, to variously engage the projections and recesses and thereby establish multiple different height positions of the cradle support platform. The apparatus is used to adjustably raise the height level of a furniture article, particularly a bed, by placing individual supports according to the invention underneath the respective leg posts of the furniture article.