Abstract: The coupling includes drive and driven hubs. The drive hub is mounted to a rotating element and has a surface presenting away therefrom. In the absence of externalities, a magnetic field is produced wherein, if depicted graphically, concentrations of field lines extend from two or more North pole domains defined in the surface to two or more South pole domains defined in the surface, the domains being spaced apart and encircling the rotation axis in alternating relation. The driven hub is disposed in spaced, frontwardly adjacent relation to the drive hub, is fixed to the rotatable element and is at least substantially constrained against movement but for rotation with the rotatable element. The driven hub includes: a rotor body of a non-magnetic, electrically-conductive material having relatively low magnetic permeability; and a flux ring of material having a relatively high magnetically permeability arranged in spaced relation to the body.

Abstract: A femoral extension prosthetic component for use in a unicondylar meniscal bearing unicompartmental knee replacement is described. The femoral component comprises a securing element and a bearing surface, the securing element adapted to abut and be connected to a distal end of a femur bone, and the bearing surface adapted to abut a meniscal bearing. The femoral component includes an entrapment portion adapted to extend beyond the meniscal bearing. Tibial components and meniscal bearings are also described, as well as methods of using such components.

Abstract: The improved spa includes: a basin; a rotating motor element; an impeller which, in use, rotates to circulate water in the basin; and a magnetic coupling which couples the element to the impeller to provide for said rotation of the impeller. The coupling has a drive hub coupled to the element for co-rotation and a driven hub coupled to the impeller for co-rotation. The impeller is defined by blades carried by the driven hub. The improvement comprises a housing defined by a base and a cover, the base having a recess which receives the driven hub in close-fitting relation. The cover is secured to the base and defines, in combination therewith, a void in which the blades rotate in use. The cover is formed integrally out of plastic, has a screen for passage of water to the impeller and has outlets for delivering water from the impeller to the basin.

Abstract: A drive hub is mounted to an element and has a surface which presents away from the element and produces a magnetic field which extends from and returns to the drive hub. If depicted graphically, concentrations of field lines would appear to extend from two or more North domains defined in the surface to two or more South domains defined in the surface, the North and South domains being arranged to encircle a rotation axis in spaced alternating relation. A driven hub is spaced and frontwardly adjacent to drive hub, coupled to the element and constrained against movement but for axial rotation. Driven hub includes non-magnetic, electrically-conductive material having low magnetic permeability and receptors, receptors having a high magnetically permeability, being spaced to the axis and arranged such that rotation of the drive hub relative to the driven hub creates a net rotational force that urges co-rotation of the hubs.

Abstract: An impeller an axis passing through a void and blades extending from the void. A housing: has a planar terminus defined by the housing; is rotatably mounted to the impeller such that, when the housing is positioned with the terminus horizontal and defining the housing bottom, the axis extends vertically and the impeller is above the terminus. The housing has a tubular sidewall: through which the axis extends and in which the impeller is positioned; shaped and dimensioned such that a gap is defined between the sidewall and a notional plane aligned with the terminus to direct air flow ejected from the impeller through the gap. The housing further has a screen occluding the sidewall end distal to the terminus, adapted to allow throughpassage of air and to restrict throughpassage of fingers and such that the screen has a portion that lies in the void. A motor rotates the impeller.

Abstract: The coupling includes drive and driven hubs. The drive hub is mounted to a rotating element and has a surface presenting away therefrom. In the absence of externalities, a magnetic field is produced wherein, if depicted graphically, concentrations of field lines extend from two or more North pole domains defined in the surface to two or more South pole domains defined in the surface, the domains being spaced apart and encircling the rotation axis in alternating relation. The driven hub is disposed in spaced, frontwardly adjacent relation to the drive hub, is fixed to the rotatable element and is at least substantially constrained against movement but for rotation with the rotatable element. The driven hub includes: a rotor body of a non-magnetic, electrically-conductive material having relatively low magnetic permeability; and a flux ring of material having a relatively high magnetically permeability arranged in spaced relation to the body.

Abstract: The invention is a security bracket assembly for preventing theft of camera lenses from cameras that are on display at retail locations. The bracket assembly carries and partially receives the camera body. The assembly has a forward shield that prevents finger access to the lens release mechanism that allows detachment of the lens from the camera body. The forward shield may be removed from the assembly so that a camera lens can be swapped without disconnecting other security or power features associated with the camera display post.

Abstract: Systems and processes may obtain and manage electronic signatures for documents for real estate transactions. Documents for real estate transactions may be received and/or generated by the system. The documents may include metadata or software keys that are associated with signature blocks on the documents. The system may identify the signature blocks using the metadata or software keys and present the positions for signature by the user.

Abstract: A drive hub is mounted to an element and has a surface which presents away from the element and produces a magnetic field which extends from and returns to the drive hub. If depicted graphically, concentrations of field lines would appear to extend from two or more North domains defined in the surface to two or more South domains defined in the surface, the North and South domains being arranged to encircle a rotation axis in spaced alternating relation. A driven hub is spaced and frontwardly adjacent to drive hub, coupled to the element and constrained against movement but for axial rotation. Driven hub includes non-magnetic, electrically-conductive material having low magnetic permeability and receptors, receptors having a high magnetically permeability, being spaced to the axis and arranged such that rotation of the drive hub relative to the driven hub creates a net rotational force that urges co-rotation of the hubs.

Abstract: The invention is a security bracket assembly for preventing theft of camera lenses from cameras that are on display at retail locations. The bracket assembly carries and partially receives the camera body. The assembly has a forward shield that prevents finger access to the lens release mechanism that allows detachment of the lens from the camera body. The forward shield may be removed from the assembly so that a camera lens can be swapped without disconnecting other security or power features associated with the camera display post.

Abstract: Systems and processes may obtain and manage electronic signatures for documents for real estate transactions. Documents for real estate transactions may be received and/or generated by the system. The documents may include metadata or software keys that are associated with signature blocks on the documents. The system may identify the signature blocks using the metadata or software keys and present the positions for signature by the user.