摘要:
A handheld surgical device with a working portion driven by a motor, wherein the working portion is contained in a concave-shaped portion when it is not activated, and the working portion becomes exposed from the concave-shaped portion when it is activated. The activation of the working portion can be controlled by a switch located at a handle portion of the handheld surgical device. The handheld surgical device includes a concave-shaped portion with a cutting edge, which is not driven by the motor.
摘要:
A handheld surgical device with a working portion driven by a motor, wherein the working portion is contained in a concave-shaped portion when it is not activated, and the working portion becomes exposed from the concave-shaped portion when it is activated. The activation of the working portion can be controlled by a switch located at a handle portion of the handheld surgical device. The handheld surgical device includes a concave-shaped portion with a cutting edge, which is not driven by the motor.
摘要:
An electric machine is described. The electric machine includes a rotor comprising a rotor disk and a plurality of permanent magnets magnetically coupled to the rotor disk. The plurality of permanent magnets include a substantially flat profile and are aligned in a substantially planar array. The electric machine also includes a stator comprising a solid stator core and a plurality of coils each wound around a coil insulating member. The stator core includes a plurality of stator teeth extending substantially parallel to an axis of rotation of the rotor.
摘要:
Access control for an application is described. An exemplary method includes receiving a first command of an application to invoke a function of a user interface, identifying a first authorization context based on a first user context and the function of the user interface invoked, retrieving a first access policy providing access criteria associated with the first authorization context, and applying the first access policy to the accessibility of the function. The method includes receiving a second command to invoke the function in a second instance of the application and identifying a second authorization context based on a second user context and the function of the user interface invoked. The second authorization context is different than the first authorization context. The method includes retrieving a second access policy providing second access criteria associated with the second authorization context and applying the second access policy to the accessibility of the function.
摘要:
An electric machine is described. The electric machine includes a rotor comprising a rotor disk and a plurality of permanent magnets magnetically coupled to the rotor disk. The plurality of permanent magnets include a substantially flat profile and are aligned in a substantially planar array. The electric machine also includes a stator comprising a solid stator core and a plurality of coils each wound around a coil insulating member. The stator core includes a plurality of stator teeth extending substantially parallel to an axis of rotation of the rotor.
摘要:
A bearing assembly is provided including at least one needle roller that is resiliently compressible in response to a load applied to an exterior surface thereof. In addition, a method is provided for taking up a clearance between one or more first rollers and a bearing race in which the rollers are positioned. At least one resiliently compressible second roller is provided rollably secured within the bearing. The compressible second roller has an outer diameter greater than an outer diameter of any of the first rollers, such that the compressible second roller resiliently compresses when the bearing is positioned in the bearing race. Forces generated by compression of the resiliently compressible second roller urge the first rollers against a surface of the bearing race, thereby taking up the clearance between the first rollers and the race.
摘要:
A stethoscopic assembly includes a stethoscope having a chest piece interconnected to at least one earpiece, the chest piece having an acoustical sensor enabling patient sounds to be heard through the at least one earpiece. A microprocessor connected to the acoustical sensor of the stethoscope includes a buffer wherein sound data picked up from the microphone is stored in volatile memory for a predetermined time period. At least one user operable switch connected to the microprocessor enables selective capture of sound data for storage and playback, such as through at least one speaker. In some versions the acoustical sensor is releasable from the chest piece.
摘要:
In a network of intermittently-connected computers, a method and apparatus for maintaining and managing control over data objects authored, accessed, and altered by users in dynamic, distributed, and collaborative contexts. The invention method and apparatus attach to each data object an identification of a respective control policy. Each control policy comprises at least an indication of a subset of the users who may access the data object, an indication of the privileges granted to each subset of users able to access the data object, and an indication of a subset of users who may define or edit the control policy. The invention method and apparatus separate the management of the control policies of data objects from the creation and use of the data objects. The invention method and apparatus automate common policy changes, distribution of policy changes to the enforcement agents, and propagation of control policies to derivative works.
摘要:
A vertically adjustable hinge is disclosed. The hinge comprises a housing for attachment to a first structure. The housing has a housing cavity and an opening into the cavity. The cavity has an upper portion, a lower portion and a retaining portion forming a channel defining the upper portion and the lower portion. The hinge further includes a first leaf extending through the cavity opening and into the cavity upper portion, threaded nut rotationally fixed to the first leaf, and an adjustment mechanism disposed in the housing cavity. The adjustment mechanism comprises a jack screw extending between the upper cavity portion and the lower cavity portion. The jack screw has a threaded portion threadably engaging the nut in the upper cavity portion and a geared portion disposed in the cavity lower portion. The hinge further includes a worm gear engaging the jack screw geared portion, wherein rotation of the worm gear rotates the jack screw threaded portion in the nut, thereby moving the first leaf relative to the housing.
摘要:
A bearing assembly is provided including at least one needle roller that is resiliently compressible in response to a load applied to an exterior surface thereof. In addition, a method is provided for taking up a clearance between one or more first rollers and a bearing race in which the rollers are positioned. At least one resiliently compressible second roller is provided rollably secured within the bearing. The compressible second roller has an outer diameter greater than an outer diameter of any of the first rollers, such that the compressible second roller resiliently compresses when the bearing is positioned in the bearing race. Forces generated by compression of the resiliently compressible second roller urge the first rollers against a surface of the bearing race, thereby taking up the clearance between the first rollers and the race.