Abstract: A patient transport apparatus operable by a user for transporting a patient along stairs. A seat section is coupled to a support structure. A track having a belt is attached to the support structure and is arranged for selective operation between: a retracted position, and a deployed position to engage stairs. A drive system with a motor is disposed in rotational communication with the belt to control movement along stairs in the deployed position. A user interface us arranged for engagement to selectively adjust operation of the drive system between: an active state for controlling movement of the belt with the motor, and an inactive state. A braking controller is configured to sense movement of the belt in the inactive state, and to control the motor to limit movement of the belt in the inactive state to effect corresponding limited movement of the patient transport apparatus along stairs.

Abstract: A walker for an animal can include a body support assembly configured to provide support for a torso of the animal. A rear portion of the body support assembly can be configured to allow motion of rear legs of the animal on a surface. The walker can further include a front support assembly coupled to a front portion of the body support assembly, and configured to allow front legs of the animal to rest thereon such that the front legs are held away from the surface. The walker can further include a leg assembly coupled to the body support assembly, and configured to provide support for the animal in place of the front legs, and to facilitate motion of the animal on the surface based on the motion of the rear legs.

Abstract: An integrated automated 3D Optical Scanning and Computer Aided Inspection System for dimensional inspection of precision manufactured parts. The system is based within a portable cabinet having lockable caster wheels for portability and retractably support feet for enhanced stability. The cabinet further includes a part placement area having an optical metrology scanner positioned over a multi-axis robotic arm positioned in the part placement area. The robotic arm is constructed and arranged to grip and manipulate parts within a field of view of the optical metrology scanner. The robotic arm provides multi-axis to rotate and tilt a base to allow substantially every surface of the part to be scanned. Dimensional comparison and analysis software application provide geometric conformance/deviation plus extraction of the dimensions indicated in the part computer aided design (CAD) model.

Abstract: A wheel chair is configurable as a mobility and a positioning chair. The chair has a seat and backrest with opposite side rails to interchangeably receive various components. The seat has a taut sheet of plastic to reduce pressure points. The seat and backrest can tilt together with respect to a base frame. The backrest can recline with respect to the seat.

Abstract: The present invention relates to a swim chair that allows a mobility challenged individual to be transported across the sand with exceptional ease, to lounge on the chair and enjoy the company and sights, to be pulled into the water and, if able, to slip off the chair to go for a swim, remount the chair and return to shore. The chair includes a main frame, defined by a top frame member and two side frame members; two axle support plates, at or in communication with the side frame members of the main frame, the axle support plates having a plurality of openings to receive a wheel axle and optionally a pull rod axle; a wheel assembly; a drop seat; a footrest and a backrest.

Abstract: A motorized vehicle assembly having a frame, a seat supported by the frame, and one or more wheels in communication with the frame, where the frame may have a plane extending therethrough and the seat may have a plane extending therethrough. The seat may be adjustable with respect to frame. The seat may be adjusted laterally in a first direction and/or a second direction, where the seat faces a third direction that is substantially perpendicular to the first direction and the second direction. The seat may be rotated or tilted toward the first direction, the second direction, the third direction, or a fourth direction, where the fourth direction may be substantially opposite the third direction. In some cases, the seat may be tilted in the same direction in which the seat has been laterally adjusted.

Abstract: A wheelchair (10) comprising:—a seat module (10) including a seat frame (11) supporting a seat (12);—a backrest module (20) including a backrest frame (21) connected to said seat frame (11) and supporting a backrest (22);—a front frame module (30) including a front frame (31), said front frame (31) including left and right bended legs (31a, 31b) removably connected at their upper end to said seat frame (11) and at their lower end to a footrest (32), said bended legs (31a, 31b) being supported by caster wheel assemblies (35, 36) via caster sup port (34);—a rear wheel module (40) including left and right rear wheels (41a, 41b) pivotally connected to an axle (42), said rear wheel module (40) being removably connected to said seat module (10) through left and right connecting elements (43a, 43b); wherein said seat frame (11) consists in left and right longitudinal profiles (11a, 11b) extending in the same plane.

Abstract: Disclosed is a transfer and locomotion apparatus with excellent functionality, stability, versatility, and user-friendliness such that a person requiring nursing care can transfer between the transfer and locomotion apparatus to a bed and a toilet seat, etc., keeping the orientation of the body. The apparatus comprises a base part having a driving part, a seat part provided on the base part and which a user can sit from a back portion or a side portion, and a breast pad part standing in a front end side of the seat part and contacting a breast of the user. At least one of the seat part and the breast pad part is held to be able to move forward and backward, and upward and downward with respect to the base part.

Abstract: A raising wheelchair comprises a wheeled frame and a raising system mounted to the frame and supporting a seat and a backrest. The raising system is configured to be movable between a lowered position and a raised position. The raising system includes at least one double-armed lever including a first lever member and a second lever member, a coupling member fixedly mounted to the frame, wherein the first lever member and the second lever member are pivotally coupled to the coupling member, and a coupling mechanism translationally coupled or pivotally coupled to a second end of the first lever member, pivotally coupled to a second end of the second lever member, and coupled to the backrest. The raising system maintains an orientation of the backrest relative to the ground that is substantially constant throughout substantially an entire range of movement between the lowered position and the raised position.

Abstract: A dimensionally adjustable vehicle, which comprises a platform of pivoting and non-pivoting plates arranged such that the spacing between a pair of the non-pivoting plates is changed to dimensionally adjust the vehicle upon application of an initiating force to a plurality of the pivoting plates which causes a pivoting motion. A section of the platform includes a pair of laterally adjacent and laterally pivoting plates which is interposed between a pair of the non-pivoting plates such that a lateral side of each of the laterally pivoting plates is pivotally connected to a lateral side of an adjacent non-pivoting plate. Application of the initiating force the pair of laterally adjacent and laterally pivoting plates causes a lateral dimension of the vehicle to be adjusted.

Abstract: A collapsible wagon comprises integral bench seats and a folding construction that can be used to transport children or large household objects. The wagon folds in half to provide a suitcase-sized configuration for purposes of storage and transportation. The wagon further includes a pull handle, large wheels, seat belts, and drink holders.

Abstract: An operating table comprises a patient support carried by a column, wherein the column has a foot having at least two base arms which are arranged next to one another and which extend with variable spacing in the longitudinal direction of the patient support.

Abstract: Embodiments of a patient transport platform employing one or more adjustable columns interposed between a base having caster wheels with one or more intermediate large wheels, the adjustable columns accommodating deployment and retraction of the large wheels and elevation and positioning of an articulating patient stretcher chair. In various embodiments, the adjustable columns are in parallel or series connection, or combinations thereof. An articulating base frame assembly with a dampened interconnection between fore and aft sections, having three pairs of wheels for selective implementation in use is also presented.

Abstract: A shifting machine structure contains a base unit, a seat unit, a hydraulic unit, a cushion support unit, a rod unit, and a control handle unit. Thereby, a pressing pedal and a releasing pedal of the hydraulic unit are pedaled to move the elderly or patients toward a desired position by using the base unit, the seat unit, the hydraulic unit, the cushion support unit, the rod unit, and the control handle unit, thus obtaining delivery safety and convenience. In addition, a copper sleeve and a copper piece of each of plural shafts of the seat unit rub with each other to enhance rigidity and durability.

Abstract: A motorized vehicle assembly having a frame, a seat supported by the frame, and one or more wheels in communication with the frame, where the frame may have a plane extending therethrough and the seat may have a plane extending therethrough. The seat may be adjustable with respect to frame. The seat may be adjusted laterally in a first direction and/or a second direction, where the seat faces a third direction that is substantially perpendicular to the first direction and the second direction. The seat may be rotated or tilted toward the first direction, the second direction, the third direction, or a fourth direction, where the fourth direction may be substantially opposite the third direction. In some cases, the seat may be tilted in the same direction in which the seat has been laterally adjusted.

Abstract: A wheelchair includes a chassis, a positioning module, a seat frame, and a seat. The positioning module is mounted to an upper portion of the chassis. The seat frame includes a support member secured to and spanning a seating area of the positioning module and a front frame member secured to a front end of the support member and overhanging a front edge of the seating area of the positioning module, such that the seat frame at least partially straddles the positioning module. The front frame member is connected with and at least partially supports at least one of a side frame member, foot rest, leg rest and arm rest assembled with and supported by the front frame member. The seat is secured to an upper surface of the support member.

Abstract: A system for facilitating access to a vehicle includes a vehicle frame and a plurality of wheels supported by a surface, wherein each wheel is coupled to a control arm coupled to the frame. A body is supported by the frame and defines a passenger compartment with a driver's side and a passenger side. A height adjustment assembly is positioned between each control arm and the associated wheel. A controller is operable to actuate each height adjustment assembly to raise and lower the frame and body between a raised position and a lowered position in which a portion of the frame contacts the surface.

Abstract: A collapsible child support apparatus includes a frame supporting a seat for the child, the frame and the seat having an open condition for seating a child in the seat and a collapsed condition. The frame includes left and right frame assemblies, each frame assembly comprising a front member, a rear member and a handle member pivotally mounted together by a hinge member to allow pivotal movement of the frame members between open and collapsed conditions. The seat includes a seat base supported by the front frame members, a seat back suspended to the handle members and a seat pivot to allow the seat back and seat base to pivot between open and closed conditions, wherein the seat back is suspended to the handle members to allow the seat back to pivot to any one of a plurality of reclined positions relative to the seat base in the open condition.

Abstract: A height adjustable chair suitable for use by the disabled, frail or elderly, the chair comprising a chassis having a plurality of ground engaging wheels, a seat comprising a rear seat section, a seat cradle and a back support frame. The back support frame comprises a height adjustable mast that is affixed at its lower end to the chassis, and a cross member that is connected to the height adjustable mast and which extends substantially across the width of the chair. The mast and cross member being arranged so that the seat cradle can be raised relative the chassis and moved laterally relative the mast so that a person seated on the chair can be raised and lowered in order to facilitate toileting or delivery onto a bed.

Abstract: A raising wheelchair comprises a wheeled frame and a raising system mounted to the frame and supporting a seat and a backrest. The raising system is configured to be movable between a lowered position and a raised position. The raising system includes at least one double-armed lever including a first lever member and a second lever member, a coupling member fixedly mounted to the frame, wherein the first lever member and the second lever member are pivotally coupled to the coupling member, and a coupling mechanism translationally coupled or pivotally coupled to a second end of the first lever member, pivotally coupled to a second end of the second lever member, and coupled to the backrest. The raising system maintains an orientation of the backrest relative to the ground that is substantially constant throughout substantially an entire range of movement between the lowered position and the raised position.

Abstract: A table assembly for a patient transfer device has an upper table with side plates that are differentially extended at the ends, and valve control for pneumatic tubing integrated with retraction of the side plates. During patient delivery only the delivery side plate is raised, to avoid catching linens in the nip formed between upper and lower belts. A slide assembly supporting the table assembly includes a fixed plate, an intermediate plate, and a full-motion plate which extend by means of rack-and-pinion drives. Each plate is symmetrical, and pinions are symmetrically located on opposite sides of the fixed or intermediate plate to allow hyperextension to either the left or right. Improved steerage for the device is provided by two centerline wheels which counter-rotate from a straight position to a turning position and further to a lateral position wherein the wheels are orthogonal to the longitudinal centerline of the device.

Abstract: A stroller includes a stroller frame having two opposite side frames, two first connecting devices disposed respectively on the two side frames of the stroller frame, a first removable seat including a seat body and two second connecting devices disposed respectively on two sides of the seat body of the first removable seat, a second removable seat including a seat body, and two third connecting devices disposed respectively on two sides of the seat body of the second removable seat. The first connecting devices are selectively and respectively connected with the second connecting devices or the third connecting devices so as to selectively mount the first removable seat or the second removable seat to the stroller frame.

Abstract: A three-wheeled vehicle having an arrangement of wheels with two forward wheels and one back wheel and a profile adjustment feature is described. The back wheel may be configured as the steering wheel, and in some cases is the only steering wheel. The two forward wheels are configured essentially parallel with each other and the back wheel is configured essentially centered between and back from the two forward wheels. This arrangement of the wheels provides for a stability that does not require a person to maintain balance to keep the vehicle in an upright position. The profile adjustment feature may automatically adjust the height of the vehicle as a function of vehicle speed. As the vehicle speeds up, the height may be reduce to provide a more stable vehicle that is turned more by tilting the vehicle than by turning the back wheel.

Abstract: A transport apparatus includes a frame, a lift mechanism supporting the frame, and a litter deck for supporting a person. The litter deck is adapted to be reconfigured between a chair configuration and a cot configuration. The litter deck is also adapted to be removably mounted to the frame, with the litter deck being adapted to be supported by the frame while the litter deck is in its chair configuration and also while being reconfigured between its chair configuration and its cot configuration.

Abstract: The present invention relates to a swim chair that allows a mobility challenged individual to be transported across the sand with exceptional ease, to lounge on the chair and enjoy the company and sights, to be pulled into the water and, if able, to slip off the chair to go for a swim, remount the chair and return to shore. The chair includes a main frame, defined by a top frame member and two side frame members; two axle support plates, at or in communication with the side frame members of the main frame, the axle support plates having a plurality of openings to receive a wheel axle and optionally a pull rod axle; a wheel assembly; a drop seat; a footrest and a backrest.

Abstract: A person moving device for moving a person of limited mobility. The device comprises a lower floor engaging frame part (1) and an upper patient carrying part (6) adapted to carry a patient by engaging the patient's torso from the front and which is mounted to the lower frame part for movement between a patient load-unload position and a patient transport position. The upper patient carrying part being mounted to the lower frame part for curvilinear movement about an axis extending across the patient and positioned so that the patient's torso moves substantially by rolling about an axis across the device and the patient and substantially about a center of mass of the patient. A handle (12) is also provided by which a user can cause the upper patient carrying 10 part to move from the load-unload position to the transport position.

Abstract: A collapsible support frame particularly for an infant pushchair comprises in an erect configuration at least a centrally located elongate spine and a seating cavity within the support frame in which to receive a seat. The spine being coupled at or towards one end to a coupler and at or towards its other end to a handle assembly.

Abstract: The apparatus of the present disclosure is an improvement on known wheelchairs and other known devices for transporting elderly, infirm, injured, handicapped, disabled, or otherwise mobility-impaired individuals. The present disclosure provides a seat that is adjustable in height, tilt angle, and orientation, relative to the supporting surface and frame of the apparatus. In some embodiments, the height adjustment is provided via a hydraulic lift cart.

Abstract: The present invention relates to a swim chair that allows a mobility challenged individual to be transported across the sand with exceptional ease, to lounge on the chair and enjoy the company and sights, to be pulled into the water and, if able, to slip off the chair to go for a swim, remount the chair and return to shore. The chair includes a main frame, defined by a top frame member and two side frame members; two axle support plates, at or in communication with the side frame members of the main frame, the axle support plates having a plurality of openings to receive a wheel axle and optionally a pull rod axle; a wheel assembly; a drop seat; a footrest and a backrest.

Abstract: A wheelchair includes a chassis, a positioning module, a seat frame, and a seat. The positioning module is mounted to an upper portion of the chassis. The seat frame includes a support member secured to and spanning a seating area of the positioning module and a front frame member secured to a front end of the support member and overhanging a front edge of the seating area of the positioning module, such that the seat frame at least partially straddles the positioning module. The front frame member is connected with and at least partially supports at least one of a side frame member, foot rest, leg rest and arm rest assembled with and supported by the front frame member. The seat is secured to an upper surface of the support member.

Abstract: A chair for use by a person with limited lower-body mobility, the chair having a height adjustable seat and chair sides that fold down to form a ramp or bridge to facilitate lateral movement by a user between the chair and an adjacent surface.

Abstract: A motorized vehicle assembly having a frame, a seat supported by the frame, and one or more wheels in communication with the frame, where the frame may have a plane extending therethrough and the seat may have a plane extending therethrough. The seat may be adjustable with respect to frame. The seat may be adjusted laterally in a first direction and/or a second direction, where the seat faces a third direction that is substantially perpendicular to the first direction and the second direction. The seat may be rotated or tilted toward the first direction, the second direction, the third direction, or a fourth direction, where the fourth direction may be substantially opposite the third direction. In some cases, the seat may be tilted in the same direction in which the seat has been laterally adjusted.

Abstract: A seat for a vehicle, the seat being releasably anchored to the interior of the vehicle by an anchoring mechanism and having wheels to enable it to be rolled when not anchored to the interior of the vehicle. The seat is temporarily removable from the vehicle for the purpose of seating a person in the seat whilst it is outside of the vehicle, before moving the seat back into the vehicle whilst the person remains seated in it. The wheels are retractable from a lowered position for rolling the seat, to a raised position for anchoring the seat.

Abstract: A dimensionally adjustable vehicle, which comprises a platform of pivoting and non-pivoting plates arranged such that the spacing between a pair of the non-pivoting plates is changed to dimensionally adjust the vehicle upon application of an initiating force to a plurality of the pivoting plates which causes a pivoting motion. A section of the platform includes a pair of laterally adjacent and laterally pivoting plates which is interposed between a pair of the non-pivoting plates such that a lateral side of each of the laterally pivoting plates is pivotally connected to a lateral side of an adjacent non-pivoting plate. Application of the initiating force the pair of laterally adjacent and laterally pivoting plates causes a lateral dimension of the vehicle to be adjusted.

Abstract: The present invention relates to a swim chair that allows a mobility challenged individual to be transported across the sand with exceptional ease, to lounge on the chair and enjoy the company and sights, to be pulled into the water and, if able, to slip off the chair to go for a swim, remount the chair and return to shore. The chair includes a main frame, defined by a top frame member and two side frame members; two axle support plates, at or in communication with the side frame members of the main frame, the axle support plates having a plurality of openings to receive a wheel axle and optionally a pull rod axle; a wheel assembly; a drop seat; a footrest and a backrest.

Abstract: A level pulling type pet carrying cart includes a main body, a rotatable pushing arrangement and a retaining assembly. The main body has a base frame, a side frame and a plurality of wheels provided below the base frame. The rotatable pushing arrangement includes a connecting arm and a stretchable pushing arm which is capable of rotating with respect to the connecting arm. The retaining assembly includes a retaining base and a connecting band, wherein the connecting band has a first end connected to a top surface of the retaining base and a second end connected to a center on top of the side frame so as to pull the retaining base to move upwardly and also controlling a rotation angle of the stretchable pushing arm. Thus, the whole body is maintained to move smoothly along a horizontal level.

Abstract: A raising wheelchair comprises a wheeled frame and a raising system mounted to the frame and supporting a seat and a backrest. The raising system is configured to be movable between a lowered position and a raised position. The raising system includes at least one double-armed lever including a first lever member and a second lever member, a coupling member fixedly mounted to the frame, wherein the first lever member and the second lever member are pivotally coupled to the coupling member, and a coupling mechanism translationally coupled or pivotally coupled to a second end of the first lever member, pivotally coupled to a second end of the second lever member, and coupled to the backrest. The raising system maintains an orientation of the backrest relative to the ground that is substantially constant throughout substantially an entire range of movement between the lowered position and the raised position.

Abstract: A wheelchair includes a chassis, a positioning module, a seat frame, and a seat. The positioning module is mounted to an upper portion of the chassis. The seat frame includes a support member secured to and spanning a seating area of the positioning module and a front frame member secured to a front end of the support member and overhanging a front edge of the seating area of the positioning module, such that the seat frame at least partially straddles the positioning module. The front frame member is connected with and at least partially supports at least one of a side frame member, foot rest, leg rest and arm rest assembled with and supported by the front frame member. The seat is secured to an upper surface of the support member.

Abstract: A portable commode, shower, and bath wheelchair apparatus comprising a first support frame, a second support frame, a mechanical interface interconnecting the first support frame to the second support frame thereby forming a first contiguous support member and a second contiguous support member. A seat assembly is slidingly attached to both the first contiguous support member and to the second contiguous support member.

Abstract: An automatic wheel adjustment mechanism mounted between two front wheels and a front wheel stem of a foldable motorized vehicle, comprising: (a) a front wheel supporting shaft having a bearing housing positioned on the top center portion of the front wheel supporting shaft, a first connecting portion, and a second connecting portion positioned on the front wheel supporting shaft, (b) a connecting member having a ring on one end and a connecting shaft on other end, wherein the connecting shaft extends upwards to form a connecting portion, and (c) a plurality of bearings, wherein outer races of the bearings is fixed at the center portion of the front wheel supporting shaft, the ring of the connecting member is connected to the lower end of the front wheel stem, the connecting shaft of the connecting member passes through and fixedly connected to the inner races of the plurality of the bearings.

Abstract: A scooter 1 is disclosed that may be linked to a child buggy or perambulator 100. A linking mechanism 200 is also disclosed for releasably linking the scooter 1 to the child buggy 100 thereby allowing the scooter 1 to be used as a scooter 1 or instead, to be linked to a buggy 100 and used in a linked configuration. The combination of a child buggy 100 and scooter 1 using the linking mechanism 200 is described along with a method of use of the mechanism 200.

Abstract: The stroller with fold out changing table that is installed onto an existing baby stroller or is integrated into the design of the baby stroller. The fold out changing table extends horizontally atop the baby seat of the stroller to provide a horizontal surface that is at least waist-high for an adult to easily change a baby's diaper. The fold out changing table can fold down to a retracted state when not in use. The fold out changing table features a security belt to secure an infant thereon as well as telescoping legs that stabilize an end of the fold out changing table atop the baby seat.

Abstract: The shower chair/walker combination incorporates the features of a walker and a shower chair into a single appliance. The appliance includes a folding walker having a pivoted seat thereon. The seat is of a split toilet seat design, having a gap at its front end. This feature allows a caregiver to have access to all parts of the patient's body to assure complete bathing. The appliance is provided with brakes and controls therefor, as is conventionally provided for walkers. All moving parts are either covered to prevent rusting or fabricated from rust-resistant materials.

Abstract: A baby carriage includes a frame and a seat mounted onto the frame. The frame includes a support rack and a pair of handle sets coupled on the support rack. The handle sets have respectively an elevation set and a folding set connected through a flexible member. The elevation set can adjust the height of a handgrip located at the upper end of the handle set. The folding set has an elastic pin and is inserted into the support rack. Through a driving member located on the upper end of the handle set, the latching state between elastic pin and the support rack can be released to rapidly fold and retract the frame. Usability is therefore improved and the folded size can also be reduced.

Abstract: A hunting blind is disclosed for use with a utility trailer that includes a rectangular base, each side thereof having a different relative height than the others. The base is adapted for removable attachment with the frame of the utility trailer. Four walls are fixed with the base each with at least one hinge and are selectively fixed together in a deployed position. A roof may be included and fixable with a top edge of at least two of the walls. The walls may be folded down over the trailer in turn to achieve a collapsed configuration suitable for towing. The trailer frame may include both a vehicle platform fixed above the walls when collapsed for transporting an ATV, and a game platform for holding caught game thereon.

Abstract: The present invention is directed to a Disaster Evacuation Cart that can be handled by one or two people or may be towed by a bicycle, off road motorcycle or an all-terrain vehicle into and out of areas of difficult passage, may be converted into a stretcher carrier and may be stored in an upright position. Handles on the lower surface support the device in the upright position and can be used when transporting in difficult areas. The device is equipped with hand brakes for absolute control. The sides and back will have a load bearing fabric material covering that accommodates MOLLE gear and accessories which may include, but are not limited to storage bags, pouches, and utility items like knives, machetes, hatchets and shovels along with a variety of defensive items like mace and fire arms. Additional accessories will include extension handle bars, a vehicle tow bar and fabric stretcher material.

Abstract: A folding wagon has a folding frame with a stowed and open position. The folding frame has a pair of front vertical supports, and a pair of rear vertical supports. A lower front horizontal support connects between the pair of front vertical supports, and a lower rear horizontal support connects between the pair of rear vertical supports. An upper front horizontal support connects between the pair of front vertical supports, and an upper rear horizontal support connects between the pair of rear vertical supports. The folding frame has supplemental links that form a frame for seats including a front seat bar extending between a pair of front seat vertical members and including a rear seat bar extending between a pair of rear seat vertical members. Sidewall members have a pair of horizontal supports pivotally connected to the front vertical supports and the rear vertical supports.

Abstract: A baby trailer frame mounting structure includes a bottom frame unit, a top frame unit, a trailer bar, two front wheel holder mounting frame assemblies and two front wheel holders. Each front wheel holder mounting frame assembly includes a base frame block affixed to one sidebar or front bar of the bottom frame unit, and a spring-loaded control member pivotally coupled to the base frame block for locking the associating front wheel holder.

Abstract: An easy lock and release mechanism for a safety seat retaining on a stroller frame and a base. A front confinement is mounted on the stroller frame, and has a spring-loaded latch retractively protruding from a rear wall of the front confinement for locking the safety seat. The safety seat has two anchoring slots, at least a downward holding slot and two latching elements. The downward holding slot has an orifice formed therein for engaging with the spring-loaded latch. The two anchoring slots may anchor to two transversal bars on the base and be locked by the two latching elements. The release mechanism is mounted on the safety seat, and has a release actuator associated with a pushing element and the two latching elements for pushing the spring-loaded latch away from the orifice and unlock the two latching elements.

Abstract: The trailer apparatus of the present invention includes a frame suitable for holding and supporting a livestock implement from a position above the livestock implement and a pair of actuated wheel assemblies which can extend from a retracted position to an extended position to support the livestock implement for transport. Each wheel assembly includes an arm which has a proximate end and a distal end. Each arm of each wheel assembly is pivotably mounted to one of the side members at the proximate of the arm. Each arm of each wheel assembly has a wheel rotatably mounted to the distal end of the arm. An actuator connects between each side member of the frame and the arm of each wheel assembly. The actuators are configured and controlled to extend and retract the wheel assemblies.