Abstract: A grill top that can be removably attached to a barbecue grill fire basin has a lever that adjusts the height of the rack above the fire basin. The lever handle is located well away from the fire. A ratchet mechanism holds the rack at a selected height, and parallelogram bars maintain the rack in a horizontal orientation.

Abstract: An object of the present invention is to provide a seat unit structure, a seat unit, and an attachment method thereof in which component reinstallation does not arise when the seat unit is attached in an aircraft. One representative seat unit structure according to the present invention relates to a seat unit structure configured to support a seat, wherein the structure has a lower structure having a monocoque structure and defines an outermost shell in at least one direction of the seat unit. That is, the member mounted in the one direction of the seat unit can be stored inside the outermost shell of the structure. In addition, the one direction is the width direction of the airframe.

Abstract: A stanchion with enhanced stability and user safety is provided. The stanchion includes a base having a top surface, a bottom surface and a central opening extending from the top surface to the bottom surface, the central opening in the base having an inner surface with a locking protrusion coupled thereto, and an elongated body with a bottom end rotatably mounted to the central opening of the base and having a pair of tabs. The elongated body is designed to rotate to a first position to permit one of the pair of tabs to engage with the locking protrusion on the base, thereby locking the elongated body to the base. The elongated body is designed to rotate to a second position with the pair of tabs disengaged from the locking protrusion on the base, thereby unlocking the elongated body from the base.

Abstract: Trophy assembly and methods for assembling a trophy are disclosed. A trophy assembly includes a first trophy component, a second trophy component and a locking mechanism for engaging at least the first and second trophy components to form the trophy assembly. The locking mechanism includes at least a male connector and a female connector. The male connector includes a first configuration which matches with a second configuration of the female connector such that when the male connector mates with the female connector, the at least first and second trophy components are engaged with each other through a twisting or rotating motion to provide a secured connection between the at least first and second trophy components.

Abstract: An aircraft seat assembly for achieving a reclined sitting position suitable for taxi-take-off and landing (TTOL). The assembly includes an independently adjustable seat back and seat bottom coupled to a frame member configured to translate relative to a base and actuators dedicated for driving independent articulation of each of the seat back, seat pan and optional legrest to achieve sitting positions including upright, lie-flat and positions therebetween.

Abstract: A tong includes a gear ring powered by a motor assembly, the gear ring having a plurality of ramps formed on an inner surface thereof and a brake plate rotationally independent of the gear ring, the brake plate having a gripping assembly for interacting with the ramps to grip a tubular. Also included is a brake assembly for preventing rotation of the brake plate, the brake assembly including an adjustable brake band for applying friction to the brake plate and at least one brake pad made of braking material disposed on an outer surface thereof in the area of contact with the brake band for reducing friction between the brake plate and the brake band. In one embodiment, the braking material is bronze.

Abstract: A device for tilting and swiveling a seat of a vehicle is provided. The device performs a tilting operation for relaxation by cooperation of a seat back and a seat cushion as well as a swiveling operation for rotating the seat in an indoor direction for conversion between passengers or rotating the seat in an outdoor direction for getting on and off vehicle assistance.

Abstract: A grill top that can be removably attached to a barbecue grill fire basin has a lever that adjusts the height of the rack above the fire basin. The lever handle is located well away from the fire. A ratchet mechanism holds the rack at a selected height, and parallelogram bars maintain the rack in a horizontal orientation.

Abstract: An additive manufacturing apparatus includes: first and second spaced apart side walls extending along a pre-defined path and defining a build chamber therebetween; one or more build units mounted for movement along the pre-defined path, the one or more build units including at least one of: a powder dispenser positioned above the build chamber; an applicator configured to scrape powder dispensed into the build chamber; and a directed energy source configured to fuse the scraped powder.

Abstract: A rotatable connection for a stand apparatus for arrangement in an operating room, including an adjustable stop mechanism, which can be arranged between a first connection component and a second connection component mounted rotatably about a rotational axis relative to the first connection component and which is configured to define different rotational angles or rotation ranges of the connection components relative to each other. The adjustable stop mechanism includes: a stop ring which can be mounted to the first connection component in an anti-rotational manner, an anti-rotation device, a stop device with a counter stop, and a rotary block. The stop device can be positioned at the anti-rotation device in different rotational angle positions in an anti-rotational manner. A support system or a stand apparatus with such a rotatable connection and a method for adjusting the adjustable stop mechanism are provided.

Abstract: Systems and methods for swivel base assemblies for seats are provided. A swivel base assembly for an aircraft seat may comprise a swivel center beam, a swivel plate pivotally coupled to the swivel center beam, the swivel plate configured to rotate with respect to the swivel center beam about a first centerline axis, a first side rail coupled to the swivel center beam, and a second side rail coupled to the swivel center beam, the swivel center beam being located between the first side rail and the second side rail.

Abstract: A rotatable connection for a mount device for placement in an operating room includes an adjustable stopping mechanism that can be disposed between a first connection component and a second connection component that is mounted rotatably relative to the first connection component about an axis of rotation. The adjustable stopping mechanism may be adapted to establish at least two different relative rotational angles of the connection components relative to one another or at least two different rotation ranges. The adjustable stopping mechanism includes a rotation lock that can be disposed non-rotatingly at the first connection component and a coupling part that can be disposed non-rotatingly at the second connection component and that has a form-locking contour for establishing individual rotational angle positions, and may include a stopping device with an integral stop. The stopping device may be non-rotatingly positionable. A support system or mount device are also provided.

Abstract: A compressible stand for an awning support includes a base plate, a cover, guide posts extending upwardly from the base plate and downwardly from the cover, and a support plate configured with apertures receiving the guide posts in sliding engagement. The support plate supports a leg of the awning support. A biasing member tends to maintain the support plate and leg in a predetermined relationship with respect to the base plate under a normal load. When an additional load is placed on the support plate, the biasing member is compressed, and the support plate and leg are lowered. When the additional load is removed, the biasing member is decompressed, and the support plate and leg may return to their original positions.

Abstract: A handle assembly for a hand held tablet computer or other handheld electronic device, the assembly including a tablet mounted assembly adhered to the back side of the tablet computer opposite the tablet's screen and a handle removably mounted to the tablet mounted assembly. The handle is rotatable permitting a user to hold the tablet computer within one hand and rotate the tablet computer to access the screen from any desired angle. The handle may include at least one tab and the tablet mounted portion includes at least one opening sized to receive the tab. The mounting plate may include a release tab to releasably engage a recess in the base plate of the handle to secure the tab of the handle within the opening of the mounting plate.

Abstract: A multi-functional mobile laptop desk includes a base, on which a support member is set; the end of the support member far from the base is provided with a joint, the top of the joint is provided with a first upper arm, and the lower part of the joint is provided with a first A lower arm and a first B lower arm paralleling with the first upper arm; the end of the first upper arm far from the joint is connected with the top of a tooth tank; the ends of the first A lower arm and the first B lower arm far from the joint are connected with the lower part of the tooth tank; the top of the another end of the tooth tank is provided with a second upper arm, and the lower part of the end is provided with a second A lower arm and a second B lower arm paralleling with the second upper arm; the another end of the second upper arm far from the tooth tank is connected with the top of a connecting seat; the another ends of the second A lower arm and the second B lower arm far from the tooth tank are connected with the lower

Abstract: A prop stand includes a guide seat mounted to a rear side of an electronic device or a protective case thereof, a revolving seat rotatably assembled to the guide seat, and a propping unit movably connected to the revolving seat via a plurality of links pivotally connected to between the revolving seat and the propping unit. The links, the revolving seat and the propping unit together form a four-bar or five-bar linkage and a rotatable structure, such that the propping unit is movable by the links between a folded and an extended position and rotatable by the revolving seat to different angular positions relative to the guide seat. Therefore, the prop stand can be easily operated to conveniently prop the electronic product in a horizontally upright position, a vertically upright position or an inclined typing position. An electronic product protective case structure with the above-described prop stand is introduced.

Abstract: A bi-plate ball bearing is configured for horizontally mounting between a base and a chair. The ball bearing has an upper plate and a lower plate defining a ball bearing race and a tension member holding the plates together disposed through a central rotational axis of the bi-plate ball bearing. The tension member may be configured as a threaded metal tube fixed to a first one of the upper plate and the lower plate and held to a second one of the upper plate and the lower plate by a nut. The threaded metal tube defines a passage through the central rotational axis of the bi-plate ball bearing through which power and control wiring may pass. The bearing may provide a cost-effective swivel bearing for chair that includes powered electronics, for which it is desired to pass wiring from the swiveling chair into a chair base.

Abstract: The rotating mailbox device is provided in varying degrees of complexity, with each embodiment thereof focused on as basic a design as is possible while still retaining the important features of the device. Even the most basic design provides illuminated address, illumination strips within the mailbox assembly, and exterior indicators for indicating mail received via sensing of door opening. Of importance is that the basic design of the device dictates that the dished tray is rotateably affixed directly atop the post and may also be affixed off-center regarding the tray. The direct post-to-tray attachment negates the need for further attachment devices such as horizontal arms, for example. Lateral attachment of the mailbox assembly to the platform elevated section provides for easiest disassembly of part of the device and also for the elevated section to be a floor for the mailbox assembly.

Abstract: This torque limiter includes a first rotating member integrally provided with a plurality of fragment portions in a concentric manner and having a spring storage portion enclosed with the plurality of fragment portions, a second rotating member having a lid portion arranged to cover the spring storage portion of the first rotating member and a fit portion fitted with the outer peripheral surfaces of the plurality of fragment portions of the first rotating member and a spring member press-fitted into the spring storage portion enclosed with the inner peripheral surfaces of the plurality of fragment portions of the first rotating member thereby bringing the plurality of fragment portions into pressure contact with the fit portion of the second rotating member, for transmitting driving torque in response to pressure contact force applied by the spring member.

Abstract: A support for an electronic display is provided. The support is movable through a panning motion by both manual manipulation and a motor. The support may include a clutch that facilitates both manual and motorized panning of the electronic display. The support is manually movable between a retracted position and an extended position. The support is also capable of supporting a relatively heavy load, such as a television or a computer monitor, and rotating the heavy load through a panning motion with a relatively small motor. The support may include a thrust bearing to facilitate panning of the heavy load. The support also includes a clutch that prevents stripping or damage of electrical components in the event panning motion is inhibited, such as by engagement of the electronic display with a wall. The support also includes a plurality of mechanical components that are removable as a single unit.

Abstract: The present application is directed to implants with inner and outer members positioned in a telescoping arrangement. The members may include helical supports to selectively adjust the height of the implant. The helical supports offer a large contact surface to prevent inadvertent reduction of the length due to application of a compressive force. In some embodiments, the helical support members may be shaped to facilitate movement of the members to increase the height. The shape may further prevent movement that would decrease the height. Some embodiments may also prevent relative rotation of the members. In use, the inner and outer members are moved apart to adjust the height of the implant to space apart the vertebral members. The members may further be constructed to prevent the members from moving together after insertion between the vertebral members.

Abstract: A chair mounting device for mounting a chair on a mounting frame of a motor-driven wheeled vehicle includes a seat post mounted on the mounting frame, a seat stem mounted on a seat of the chair, a locking member movable relative to the seat stem between a locking position to guard against swiveling movement of the stem relative to the seat post and an unlocking position to permit the swiveling movement, a lever mounted on and operable relative to an anchored mount located above the seat, a biasing member disposed to bias the locking member to the locking position, and a pulling cord coupled with the locking member and the lever.

Abstract: An apparatus having a tray, a towel rack and a handrail is provided for use with a spa of a type having a bottom with sidewalls extending upwardly from the bottom to form an enclosure for holding water. A base member is disposed on a horizontal floor below and adjacent to the sidewalls of the spa. A vertically disposed post member operatively attached to the base member and a handrail operatively attached to a top portion of the post member, the handrail being transversely disposed with respect to the post member. A horizontally disposed tray is pivotally attached to the post and a towel bar is attached to the post. Structures are provided for securing the preferred embodiment of the invention to a spa.

Abstract: A pulveriser mill has a grinding set (2) supported by a support table (4), the support table having on its underside supporting parts 8?, 10?, 12?. By such means the working life of the support table may be extended.

Abstract: A supporting framework for a swivel chair or table includes a gas spring and a cylinder put on the gas spring. The cylinder includes two opposite holes and a plurality of equally circumferentially spaced longitudinal apertures. Spring loaded posts and lock bars are located in the apertures. A fastening ring rests upon the cylinder and includes a plurality of equally circumferentially spaced openings having a diameter less than a diameter of the posts but slightly larger than a diameter of the lock bars. A hollow cap with the gas spring projected therethrough includes two opposite channels of an inverted L-shape. Two, lock pins are inserted through the channels and the holes for fastening the cap and the cylinder together. Moving the lock pins from upper second positions to lower first positions in the channels will enable the gas spring to rotate or vice versa will lock the same.

Abstract: In a preferred embodiment, an apparatus, including: a generally horizontal support tray to support a mailbox; a post interface bracket for attachment to a mailbox support post; a spring attached to said generally horizontal support tray and said post interface bracket and disposed so as to return said generally horizontal support tray to its normal position after said generally horizontal support tray is rotated out of position; and a connection pivot bolt connecting said spring and said post interface bracket, said connection bolt being sole method of fixed attachment of said generally horizontal support tray and said post interface bracket.

Abstract: A stand (3) for a surgical microscope comprising at least one vertical rotary bearing (4). A pivot arm (5) is mounted rotatably in the rotary bearing (4). An electromagnetic brake (6) for blocking the pivoting motion of the pivot arm (5) in the rotary bearing (4) is provided. A mechanical brake (7) with adjustable braking force is additionally present for braking the pivot arm (5) in the rotary bearing (4).

Abstract: A boat seat release system for assisting in the efficient and safe removal of a boat seat from a taper lock base. The boat seat release system includes a collar attachable to a pedestal and a pedal pivotally attached to the collar for selectively engaging a taper lock lever of a taper lock base to release the pedestal from base. The collar preferably has one or more rollers for engaging an upper surface of the base thereby simultaneously lifting the pedestal thereby breaking the frictional seal of the pedestal and the base.

Abstract: A boat seat is rotatably supported on a hollow, tubular, deck-mounted support post or column by a yoke or spider. A radially movable locking plate is biased by a spring member to rotatably lock the yoke in place and a lever arm can be operated to move the locking plate in opposition to the force of the spring member out of locking engagement to permit the seat to be rotatably adjusted.

Abstract: A stand for supporting one or more musical instruments that swivels to permit the selected musical instrument to be made available directly in front of the user or in another predetermined selected position and can be locked in position for ready access. The present invention comprises a swiveling support post and a fixed inner support post contained therein. The swiveling support post is selectively locked or unlocked in a desired position through employment of a locking swivel assembly. The locking swivel assembly includes a tension spring whose tension force is employed to exert braking pressure thereby locking the outer swivel post in a predetermined selected position. A foot pedal release mechanism is provided which releases the force on the tension spring thereby releasing the braking pressure and allowing free rotation of the outer swivel post. A folding tripod base portion provides support for the entire assembly and folds for ready storage.

Abstract: A vertically adjustable pedestal for a boat accessory such as a table or seat is made up of a pair of telescoped tubular members having opposite facing lengthwise recesses which contain rods to allow one member to adjustably slide with respect to the other yet preventing rotation. A releasable locking device holds the adjusted member at its desired elevation.

Abstract: An attachment stand frame for spa umbrella which includes a shaft supporting an awning thereon, wherein the attachment stand frame includes a stand base including a reinforcing panel extended therefrom adapted for mounting underneath an outdoor spa wherein the spa umbrella is uprightly supported on the stand base, and a supporting frame perpendicularly extended from the stand base for substantially attaching to the outdoor spa so as to securely mount the spa umbrella to the outdoor spa. The attachment stand frame further includes a base body, having a receiving chamber provided thereon, adapted to support the shaft, a rotor, which is rotatably disposed in the receiving chamber, having a rotor axial socket for inserting the shaft thereinto, and a locking arrangement for locking up the rotation movement of the rotor. Therefore, the attachment stand frame is adapted to be rigidly supported by the outdoor spa and rotatably mount the spa umbrella.

Abstract: An apparatus is disclosed for adjusting the rotational position of a chair comprising a pedestal supporting a radially outwardly extending flange. A seat base is secured to the seat and adapted for rotational connection with the pedestal for enabling rotation of the seat. A plurality of notches are defined about the flange. The lever pivot is secured for accommodating for a right-handed or a left-handed operator seated in the seat. The notch pin extends from the lever for engaging with one of the plurality of notches for locking the rotational position of the seat base relative to the pedestal.

Abstract: A display tilt adjusting apparatus which may be employed in an electronic terminal device such as an electronic cash register is provided. The apparatus includes a pivotal support member, a stay, and a stay holding mechanism. The pivotal support member supports a display unit pivotably. The stay is connected to the display unit. The stay holding mechanism holds the stay to keep a display surface of the display unit at a set angular position. The stay holding mechanism is designed to produce a given degree of resistance to movement of the stay in a direction in which the display surface tilts rearward and keeps the stay free from the resistance in response to movement of the stay in an opposite direction in which the display surface tilts frontward.

Abstract: An adjustable support for an LCD monitor has a base plate. An inverted U-shape base seat is mounted on the base plate and has a first aperture defined through an upper wall thereof and a first stop formed on the upper wall. A vertical axle is pivotally mounted on the base seat. The axle has a threaded part extending through the first aperture and a spacing collar on the first aperture, and is engaged with a first nut beneath the upper wall of the base seat. The spacing collar has a notch defined at an outer periphery thereof and the first stop is located within the notch. Two ears are oppositely formed at an upper seat on a top end of the axle, wherein each of the ears has a cutout defined at a front end thereof. A monitor bracket has two fingers respectively pivotally mounted on the ears and each with a second stop formed thereon and limited by the cutout when the bracket is turned relative to the ears.

Abstract: A support frame device for connecting a seat portion to an upright post includes a base mounting plate with right and left anchoring plates secured to right and left anchored plates of a spacer plate, respectively. An annular stiffening member has an annular abutment end abutting against a lower peripheral edge portion of the spacer plate. A hollow stem with an upper flange portion is extended through a post mounting bore in the spacer plate and an axial passage of the stiffening member such that the flange portion abuts against an upper peripheral edge portion of the spacer plate. An annular lower end of the stem is then malleated to form a flared portion that abuts against a lower end of the stiffening member.

Abstract: This invention is an adaptable computer stand designed to support a laptop computer or keyboard over a user's lap while sitting in a chair or bed. The stand includes a wide, low profile base designed to fit under a living room chair commonly found in a home. Attached perpendicularly to the base is a vertically aligned, fixed pole. Attached to the upper end of the fixed pole is an adjustable, L-shaped extension pole designed to be selectively raised or lowered on the fixed pole, rotate, and then lock in a desired position. Attached to the upper end of the extension pole is a length-adjustable, rotating extension arm. The stand also includes a planar support member used to support a keyboard or laptop computer. Attached to the bottom surface of the support member is a locking universal joint, which, during assembly, is connected to the distal end of the extension arm. The universal joint enables the support member to tilt and rotate as desired.

Abstract: A seat assembly featuring a seat support assembly having a seat mount assembly and a pedestal post assembly which pivotally supports the seat mount assembly and includes a first component and a second component with the second component being adjustable in height with respect to the first component. The seat support assembly includes a rotation locking assembly with a releasable rotation lock which locks the seat mount assembly from rotating with respect to the pedestal post assembly. Also included is a rotation prevention device or arrangement that is supported by the pedestal post assembly and acts to prevent relative rotation between the first and second components while not interfering with height adjustability between the first and second components. In a preferred embodiment, the first and second components are part of a fluid spring system which has an air spring that varies in height by way of a fluid cushion.

Abstract: The rotational mounting arrangements for mounting an item on a mounting surface include a stator element and rotor element cooperating together to mount the item for rotational movement relative to the mounting surface, and a locking mechanism for releasably locking the rotor element in one or more predetermined positions relative to the stator element. The locking mechanism may include one or more apertures formed in one of the stator and rotor elements, and one or more apertures or recesses in the other of the stator and rotor elements for receiving a locking component. In another form, the locking mechanism may include one or more apertures formed in one of the stator and rotor elements, and a locking component carried on the other of the stator and rotor elements.

Abstract: A liquid crystal display (LCD) device includes a display portion supported to a stand by a hinge having a wide swivel angle through swivel rotation means formed in the hinge and stand. The swivel rotation means includes a hinge body connected to the display portion for tilt and having a guide with a rotation guide surface and swivel projections; a swivel bracket fixed to a stand body so that the hinge body does not escape from the stand, the bracket having a stop which arrests the swivel projections; and the stand body having a plurality of bosses functioning as screw bosses for fixing the swivel brackets and at the same time as axial boss which rotates the hinge body. The swivel rotation means' swivel angle is set when the swivel projections formed on the hinge body are arrested by the stop formed on the swivel bracket.

Abstract: A mailbox stand is provided including a vertical post with a bottom end mounted within a shoulder of a road. Also included is a horizontal rod mounted on the vertical post and adapted to rotate about a vertical axis. Next provided is a mail box mounted on an outboard end of the horizontal rod.

Abstract: A device for manipulating a workpiece in space includes a fixture, a stanchion assembly, a manipulation mechanism, an actuation mechanism, and a reaction mechanism. The fixture has an end onto which the workpiece affixes. The stanchion assembly has an upper and a lower end. The manipulation mechanism connects the fixture and the upper end of the stanchion assembly. The lower end of the stanchion assembly mounts, via probe and a socket, to a structure. The actuation mechanism operably connects to the manipulation mechanism, and moves the fixture in space. The reaction mechanism provides a point through which force inputs into the actuation mechanism may react.

Abstract: A Bicycle Seat Support (14) includes a rotationally-biased centering mechanism (20) for coupling a seat mount (16) to a frame mount (18). The rotationally-biased centering mechanism has a biasing mechanism for causing the seat mount and an attached bicycle seat to rotate toward a normal angular position about a seat axis (36) while allowing the bicycle seat to be forced away from this normal angular position by pressure applied by a rider when pedaling the bicycle. The rotationally-biased centering mechanism includes bearing surfaces (48,50) having an interface which allows the seat mount and the frame mount to rotate while not allowing substantial axial movement. Stops are included for preventing excessive angular seat movement.

Abstract: A car seat, which is rotatable and linearly movable. The car seat has a lower plate having a centrally located pinion on the top surface and parallel movable rails on the bottom side. The movable rails are linearly movable on support rails fixed onto the floor of a car body. An upper plate is rotatably connected to the lower plate by a connecting shaft with a predetermined space therebetween and having a seat cushion thereon. A swivel mechanism is provided between the lower and upper plates and is used for adjusting the rotatable position of the upper plate relative to the lower plate. A plurality of locking holes are formed on each of the support rails, while a sliding lever is rotatably mounted to the movable rails and has a stopper selectively locked into or released from the locking holes.

Abstract: A seat assembly includes a seat tube in which a seat post is movably received therein which has a clamping member with a seat disposed thereto. The seat post has two plain portions defined diametrically opposite in an outer periphery thereof and the seat tube has two wedge-shaped recesses defined diametrically opposite in an inner periphery thereof so as to receive two wedge-shaped blocks therein. The seat post extends through a nut member which is threadedly mounted to the seat tube.

Abstract: A swivel apparatus (16) on which a seat (10) is mounted in a vehicle to provide for rotation from a first position to a second position. The swivel apparatus (16) includes a support assembly (20) having a base member (22) with a plurality of legs (24, 24'. . . 24.sup.n) fixed to the vehicle. The base member (22) has a horizontal lower side (26) and a parallel horizontally upper side (28) with a central opening (30) that extends from the lower side (26) to the upper side (28). A collar (34) has a flange (36) which extends through the central opening (30) of the base member (22) to position a first bearing (37) between the collar (34) and the lower side (26) of the base member (22) while the flange (36) aligns a second bearing (38) on the upper side (28) of the base member (22). A mounting member (40) to which the seat (10) is connected is located a top of the second bearing (38) and attached to the flange (36) by a plurality of fastener (46, 46'. . . 46.sup.n) to define a unitary structure.

Abstract: The present invention provides a seat swivel assembly which allows a seat to swivel between stationary positions or to freely swivel about an axis, having an upper swivel plate and a lower swivel plate, a swivel member rotatably mounted to one of the plates, a swivel actuator lever in communication with the swivel member, a free-swivel latch facilitating unencumbered free swivel of the swivel plate, and a release lever in communication with the free swivel latch to release the swivel member to prevent free swivel.

Abstract: A locking and positioning device (20) for allowing unlocking and adjustment and then relocking of multiple degrees of freedom with a singular actuation mechanism (26). The device (20) includes a first locking mechanism (22) and a second separate, independent, and spaced apart locking mechanism (24) both of which are actuated by a singular actuation device (26). The first locking mechanism and second locking mechanism may be locked simultaneously or independently with the same actuation device (26).

Abstract: The present invention relates to a mail box mounting device comprising a lower body having mounting means such that the lower body can be mounted on a support structure and an upper body rotatably engaged to the lower body, such that the upper body can be rotated without rotating the lower body, and having fastening means such that a mail box can be fastened thereto. The present invention also has positioning means such that the upper body automatically returns to certain positions with respect to the lower body when the upper body is not being rotated.

Abstract: An aircraft passenger seat swivel assembly to be connected between an aircraft seat frame upon which an individual sits and an aircraft seat base which is secured to an underlying support surface, the assembly including a bottom swivel plate with a generally annular recess formed therein and structured to receive a bearing track with a plurality of slots disposed about a perimeter thereof and structured to receive a plurality of bearing members therein. The swivel assembly further including a swivel plate with an exterior segment structured to ride on the bearing members disposed in the bearing track and an interior mount segment upon which the aircraft frame is mounted, the exterior segment of the swivel plate being rotatably retained in place by a lock ring which is secured to the bottom swivel plate and has an annular lock recess to retain the exterior segment of the swivel plate, the bearing track, and the plurality of bearing members in the annular recess of the bottom swivel plate.