摘要:
A mechanism for deploying and retracting an adjustable handling wheel from under different types of equipment supported on the floor, or different types of furniture, such as chairs, medical chairs, nursery chairs, examination chairs, bedside tables, beds without chassis, cabinets and others. The mechanism enables very easy handling and movement of the equipment or furniture from one place to another place.
摘要:
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 present invention relates to a caster comprising: a wheel which is coupled to the lower end of a fixing shaft having a male screw formed on the upper side thereof so that a nut is fastened; a wheel moving means which comprises a slide member and an eccentric rotation member, wherein the slide member has a shaft hole punched on the central part thereof so as to allow the fixing shaft of the wheel to be penetrated and fastened by the nut, and has a working shaft hole formed on the circumferential surface thereof, and the eccentric rotation member has an eccentric shaft formed at one side thereof and a shaft bolt formed protrudingly from the center part of the other side thereof, the eccentric shaft being fitted into the working shaft hole of the slide member; a main body which comprises a first operating space, a second operating space, a third operating space, and a female screw, wherein the first operating space is penetrated at the central part thereof in the vertical direction so that the slide member is fitted thereto and can move up and down, the second operating space enables the wheel to rotate and move up and down, the third operating space is penetrated in the horizontal direction so that an eccentric member is fitted thereto and the eccentric shaft can be introduced into the first operating space, and the female screw is formed on the upper part of the main body for the fastening purpose; a working lever which has a coupling hole punched on the central part thereof, the coupling hole being fitted into the shaft bolt of the eccentric rotation member; a fixing nut which is screw-coupled to the shaft bolt of the eccentric rotation member so as to fix the working lever; and a fixing means which comprises a first fixing part or a second fixing part so as to prevent the eccentric rotation member fitted into the third operating space of the main body from being detached and stop the rotation of the eccentric rotation member. The caster is mounted on a pedestal fixed to the lower end of a column frame on which the whiteboard is mounted.
摘要:
A caster device includes a base attachable to a supported item, one or more rolling elements that interface with the base to facilitate rolling of the supported item along a support surface, and an external sleeve coupled to the base for adjustable vertical positioning of the external sleeve relative to the base. The external sleeve can be placed in a first vertical position relative to the base where the rolling element(s) do not contact the support surface, and in a second vertical position relative to the base where the rolling elements do contact the support surface. A rimguard may be rotatively coupled with the external sleeve so that as the external sleeve is rotated to the first vertical position, the bottom rim of the external sleeve rotates relative to a rimguard inner surface and a rimguard outer surface does not rotate relative to the support surface.
摘要:
A shelving apparatus includes a frame structure formed with vertical members and horizontal members and a shelf adjustable between positions and supported, at each position, by the vertical members. The vertical members and horizontal members define a volume therebetween, and each of the vertical members include notches formed on a vertical surface of the vertical member. The shelf includes a frame; a product surface coupled with the frame; a first rod coupled to the frame and insertable into at least a portion of a respective notch of one of the vertical members; and a second rod coupled to the frame and insertable into at least a portion of a respective notch of another of the vertical members. The second rod is forcibly biased, by a biasing member coupled with the frame, against at least one of the vertical members.
摘要:
A shelving apparatus includes a frame structure formed with vertical members and horizontal members and a shelf adjustable between positions and supported, at each position, by the vertical members. The vertical members and horizontal members define a volume therebetween, and each of the vertical members include notches formed on a vertical surface of the vertical member. The shelf includes a frame; a product surface coupled with the frame; a first rod coupled to the frame and insertable into at least a portion of a respective notch of one of the vertical members; and a second rod coupled to the frame and insertable into at least a portion of a respective notch of another of the vertical members. The second rod is forcibly biased, by a biasing member coupled with the frame, against at least one of the vertical members.
摘要:
A castor with separate brake device and brake release device is provided with a shell, a brake piece, a brake unit and a brake-release unit. The brake unit and the brake-release unit are two separate members, while they are interactively linked by a push portion and the notch portion, so as to ensure the accuracy of the brake operation. Whenever the castor is in a brake-activated status or brake-deactivated status, the brake pedal and the brake-release pedal pivot in opposite direction to present different angles, which makes it easier for the user to see the status of the castor (in brake position or non-brake position), and prevents confusion or accidental operation.
摘要:
Apparatuses, methods and systems for directionally controlling a movable partition are provided. In one embodiment, an apparatus for controlling lateral displacement of a movable partition includes a bracket, a roller assembly, a first attachment bracket, and a second attachment bracket. The roller assembly is coupled to the bracket and includes a roller element. The first attachment bracket attaches to a first panel of the movable partition and is configured for hinged coupling to a first side of the bracket such that a first hinge axis substantially coincides with a centerline of the first panel. The second attachment bracket attaches to a second panel of the movable partition and is configured hinged coupling to a second side of the bracket such that a second hinge axis substantially coincides with a centerline of the second panel.
摘要:
A wheel 100 rotatable about a main axis 106a, including: (a) a frame 111 including multiple supports 114; (b) a first series 150 of rollers 140 radially spaced from the main axis and aligned with a first plane 160a normal to the main axis, the first series of rollers spaced to form a first discontinuous rim; and (c) a second series 152 of rollers radially spaced from the main axis and aligned with a second plane 160c normal to the main axis. The second series of rollers are spaced to form a second discontinuous rim. The first and second planes are aligned parallel to and spaced from one another. Each roller 140 is: (i) rotatable about an axis normal 117 to the main axis; (ii) mounted between a pair of the supports 115; and (iii) has a lateral central cross-sectional diameter greater than the diameter of its end portions. When viewed in side elevation, the effective ground contacting surface of each of the rollers of the first series of rollers overlaps with the effective ground contacting surface of at least one diagonally adjacent roller of the second series of rollers so that the wheel is adapted to make effective ground contact through at least two of the rollers at any one time for effective travel in directions having a component parallel to the main axis. The frame is furthermore incapable of flexing sufficiently to permit the rollers from being removed or dislodged from the frame, but capable of flexing sufficiently under high loads to redistribute load stress throughout the frame.
摘要:
A wheel 100 rotatable about a main axis 106a, including: (a) a frame 111 including a plurality of supports 114; (b) a first series 150 of rollers 140 radially spaced from the main axis and aligned with a first plane 160a normal to the main axis, the first series of rollers spaced to form a first discontinuous rim; and (c) a second series 152 of rollers radially spaced from the main axis and aligned with a second plane 160c normal to the main axis. The second series of rollers are spaced to form a second discontinuous rim. The first and second planes are aligned parallel to and spaced from one another. Each said roller 140 is: (i) rotatable about an axis normal 117 to the main axis; (ii) mounted between a pair of the supports 115; and (iii) has a lateral central cross-sectional diameter greater than the diameter of its end portions. When viewed in side elevation, the effective ground contacting surface of each of the rollers of the first series of rollers overlaps with the effective ground contacting surface of at least one diagonally adjacent roller of the second series of rollers so that the wheel is adapted to make effective ground contact through at least two of the rollers at any one time for effective travel in directions having a component parallel to the main axis. The frame is furthermore incapable of flexing sufficiently to permit the rollers from being removed or dislodged from the frame, but capable of flexing sufficiently under high loads to redistribute load stress throughout the frame.
摘要:
A wheel for facilitating rolling of a table over a ground surface. The inventive device includes a mounting assembly for securing to a lower end of a table leg. A wheel support assembly is pivotally mounted to the mounting assembly and rotatably supports a wheel beneath the table leg. The wheel support assembly can be pivoted laterally of the table leg such that the mounting assembly engages the ground to preclude unintentional movement of the table.