Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for validation of mobile device workflows. In some implementations, sensor data is received from a sensor located at a property. Based on the sensor data, an event that is occurring at the property is determined. Based on the event that is occurring at the property, a configuration for furniture located at the property is determined. Instructions are provided to the furniture to move into the configuration.

Abstract: A vehicle interior component comprising a cover movable relative to a base and a latch mechanism configured for movement within the base for an engaged state and a disengaged state is disclosed. The latch mechanism may maintain the disengaged state after the cover has been released from the base. The latch mechanism may comprise a magnet fixed to and concealed within the cover; the magnet of the base may be concealed within the base. The component may comprise an opening mechanism for opening of the cover upon release of external force from the cover. The opening mechanism may move the latch mechanism within the base. The latch mechanism may extend through an opening in a sidewall of the base to engage the cover to secure the cover to the base.

Abstract: There is provided a seat base frame (10) comprising one or more base frame tubes (16) having noncircular cross-sections. In a specific example, the tubes (16) have elliptical cross-sections. Further embodiments provide base frame tubes (16) made of magnesium or magnesium alloys.

Abstract: A clutch driving device includes: a spring that is deformable in a circumferential direction when seen in an axial direction to thereby generate a force in the circumferential direction; a first projection disposed at one end of the spring; an output gear that rotates in an disengaging direction or an engaging direction of the clutch; and a pin that is provided to the output gear to be rotatable together with the output gear and contacts the first projection to thereby transfer the elastic restoring force to the output gear. A contact point between the first projection and the pin moves toward an axis of the spring at least once when seen in the axial direction of the spring in a case where the output gear rotates in a direction in which the elastic restoring force of the spring decreases.

Abstract: A wrist for a work vehicle includes a frame configured to be attached to the work vehicle, a ring pivotally connected to the frame and including a ring gear and a pilot axially protruding a length beyond the ring gear in a direction away from the frame, a shield cavity with an annular shape which surrounds the pilot and is bounded at least in part by the pilot and the ring gear and with a thickness of the length, a motor including a housing fixedly connected to the frame and an output shaft engaged with the ring gear, a lubricant cavity with boundaries defined at least in part by the frame, the ring, and a lubricant shield. The lubricant shield is removeably secured to the frame with at least a portion of the lubricant shield within the shield cavity.

Abstract: A brake system for the doors of excavator buckets which increases the braking force of the doors, allowing the use of heavier caps with more shield, increasing the durability and reliability, cushioning the blows of the door against the frame of the bucket and decreasing the likelihood that the whole system is deregulated at the same time.

Abstract: A ship comprising a hull having a transom and a bottom, and an azimuthing propulsion unit arranged to the bottom of the ship hull, which azimuthing propulsion unit comprises a propeller. The azimuthing propulsion unit comprises an exposed operation mode in which the propeller sets, behind the transom of the hull and that the azimuthing propulsion unit is rotatable and comprises a protected position mode in which the azimuthing propulsion unit stays below the hull of the ship.

Abstract: An emergency stop device for a band saw includes a brake member moveable between a standby position and an active position where the brake member firmly urges and stops a running wheel of the band saw, around which a band saw blade is looped. The brake member is held by a retainer at the standby position when the emergency stop device is inactive. When the emergency stop device is started, the retainer is separated apart from the brake member for enabling the brake member to move by an actuation of a spring member from the standby position to the active position so as to stop the cutting motion of the band saw blade.

Abstract: A drive transmission device includes: a first output gear and a second output gear which are rotatable about the same rotational axis; and a single intermediary member to be rotated about the rotational axis by a driving source. The intermediary member is provided between the first output gear and the second output gear with respect to an axial direction of the rotational axis. The intermediary member moves in a first axial direction of the rotational axis to rotate in engagement with the first output gear when the driving source rotates in a first direction, and moves in a second axial direction of the rotational axis opposite to the first axial direction to rotate in engagement with the second output gear when the driving source rotates in a second direction opposite to the first direction.

Abstract: A locomotive brake controller that has a body configured to interconnect to a desktop location in the cab of a locomotive and a mount that can attach the base of the controller to a vertical stand in the cab of a locomotive. The controller also includes an operator interface adaptor that can be clocked relative to the body and an operator face plate that can be clocked relative to the mount depending on the location of installation to ensure proper tilting of the interface relative to the operator and proper orientation of the operator display. Alternatively, the adaptor may include a fixed face plate that includes a moveable display and an adhesive membrane with operator buttons to properly orient the display.

Abstract: A vehicle door swing governor is positioned between a door and a body of a vehicle. The door swing governor includes a motor and a controller for controlling the mechanical resistance applied by the motor to the door so as to control velocity of the door swing. The mechanical resistance applied to the door is a function of the velocity of the swing of the door.

Abstract: An asymmetric bearing device automatically decreases, without the need for manual adjustment, an amount of friction exerted against rotation of a drum or other mechanism upon reversal of the direction of rotation of the drum.

Abstract: Apparatus for controlling the rotational speed of a wheel of a skateboard or other similar wheeled device includes a lug adapter projecting away from a wheel axle, a wheel contact member for engaging the wheel face, wheel contact member engagement structure applying a frictional force to the wheel contact member and manually operable control structure to vary the magnitude of the frictional force.

Abstract: The rotary damper includes a brake drum (10) whose either end is integrally connected to the first member (100); a cylindrical case (20) covering the brake drum (10) in a state that the cylindrical case relatively rotates with respect to the brake drum, and being connected to the second member (200) in a state that the cylindrical case rotates in conjugation with the second member; a brake spring (30) being externally fitted to the brake drum (10) with the coil spring tightened, and being configured by a coil spring whose one end is fixed to one end of the cylindrical case (20) and other end is fixed to other end of the cylindrical case. The brake drum (10) is provided with a releasing concave portion (10c) on an outer periphery thereof and fixing portions for winding the brake spring rotating independently from the brake drum.

Abstract: A rotary control (100, 500, 700) provides improved running-torque through a running-torque stack up assembly (140). The running-torque stack up assembly (140) may be implemented in a modular approach (500, 700) independent of a shaft (130) and switch housing, or may be implemented to incorporate the shaft (100) and switch housing. The running-torque stack up assembly (140) is formed of a spring (114), a stationary disk (112), and a rotating disk (108) having sliding top and bottom surfaces provided through either pads (106, 110) or an overmolded coating (710).

Abstract: A disc brake having a rotor and a caliper is provided and includes a first and second brake pad situated on the same side of the rotor whereby in a non-braking state the first brake pad is in contact with the rotor and the second brake pad is offset from the rotor. In a light braking state the first pad acts against the rotor with additional force to thereby slow or stop the vehicle. In a heavier braking state both the first and second brake pads act against the rotor to thereby slow or stop the vehicle.

Abstract: Braking device for roller skates, skateboards, or the like, having a roller support in which a roller is mounted axially movable between a first freely rotatable position and a second braked position. The braking device includes an actuatable brake unit is supported relative to the roller support and the brake actuation force is produced from the torque of the roller via a clutch unit having a downstream transmission unit, the clutch unit being open in the first position and closed in the second position.

Abstract: An electromagnetic clutch with a brake has a novel function which, after the electromagnetic clutch is disengaged, accurately prevents co-rotation of a driven shaft to improve response when the brake is activated. Brake means (9) is configured such that a facing (93) is constantly made to slide on a brake friction surface (5d) of a rotor by a spring (92) having a base end supported by a field (8) through an arm (7). The magnitude of brake torque (Tb) caused by the brake means (9) is set to be not less than slide torque (Ta) between a driven shaft (2) and a drive shaft (1) and less than driving torque (Tc) by the drive shaft (1).

Abstract: An identical engagement hole 12b is formed in each of first and second brackets 1, 2. A first engagement portion 31c is formed in a damper body 31 of a rotary damper 3. A distal end portion of a rotor 32 of the rotary damper 3 is non-rotatably inserted in an adapter 4. A third engagement portion 46 is formed in an outer circumference of the adapter 4. The first engagement portion 31c is non-rotatably inserted in the engagement hole 12b of the first bracket 1. The third engagement portion 46 is non-rotatably inserted in the engagement hole 12b of the second bracket 2.

Abstract: A swing damper (1) for dampening swinging motion of working element, comprising an upper part (2), that is connected to a suspension, and a lower part (3), that is connected to a rotator, wherein the upper part (2) and the lower part (3) are pivotally connected to each other, wherein between the upper part (2) and the lower part (3) are arranged discs (7, 8, 9,10, 11), which can swing around central axis (6), wherein at least one of said discs (7, 8) is secured against rotation relative to the upper part (2) and at least one of said discs (9, 10, 11) is secured against rotation relative to the lower part (3), whereby the upper part (2) and the lower part (1) are pivotally connected to each other through a whole centre pin (14), and whereby the swing damper (1) comprises tensioning elements (20, 21, 22) operating to press the discs (7, 8, 9,10, 11) together during the swing dampening operation, wherein the tensioning elements (20, 21, 22) are arranged at least in one or more discs (7, 8, 10, 11).

Abstract: A friction device (200) for a bearing assembly (A), wherein it comprises an annular friction module (204) defining a friction surface (206), which extends around a revolution axis (X200-X?200) of the friction device (200) and is adapted to lie against and to exert a friction torque on a cylindrical surface (26) rotating with respect to the friction device (200) and wherein the friction surface (206) is cylindrical before mounting of said friction device (200) around said rotating cylindrical surface (26).

Abstract: A rotational damper having a stator and a rotor that is rotatably supported in the stator, the rotor having a first friction element (31, 31 A . . . 31 F), wherein the volume between the stator and the rotor is filled with a viscous fluid. According to the invention, the rotor has a second friction element (32, 32A . . . 32F), which is supported coaxially in relation to the first friction element and rotationally coupled thereto, and which can be axially displaced relative to the first friction element. Due to the two-piece design of the friction element and the ability for axial displacement of the two friction elements, the entire effective surface of the friction element in the viscous fluid, and thus the frictional resistance and the damping characteristics of the rotational damper, can be varied. For this purpose, the second friction element preferably has a plurality of segments (5, 5A . . . 5F), which immerse into the first friction element and can be displaced by an actuator (4, 4A . . . 4G).

Abstract: A magnetic braking device (100) has a first metal disc (1) slidably mounted on a drive shaft (50) of a motor and having first peripheral seatings (2a) arranged in a ring, for receiving first permanent magnets (2) of predetermined polarity. A second metal disc (3) is fixedly mounted with respect to the motor (5) and has second peripheral seatings (4a), arranged in a ring geometrically similar to and facing the first seatings (2a). The second peripheral seatings (4a) receive corresponding second permanent magnets (4) having the same polarity as the first magnets (2). Braking occurs by magnetic attraction between the magnets (2, 4) and the discs (1, 3), the discs coming into contact while maintaining the magnets (2, 4) mutually offset. Each magnet (2, 4) is opposite the respective portion of disc (3, 1) interposed between the successive peripheral seatings (4a, 2a).

Abstract: A pipe inspection system may include a cable storage drum and a length of resilient flexible push-cable. An asymmetric bearing device supports the cable storage drum for rotation about the rotational axis in a pay-out direction and an opposite pay-in direction. In one embodiment, the asymmetric bearing device automatically decreases, without the for manual adjustment, an amount of friction exerted against rotation of the cable storage drum upon reversal of the direction of rotation of the cable storage drum from the pay-out direction to the pay-in direction.

Abstract: The invention relates to a vehicle grab handle (10) having a handle (12) and at least one bearing support (14) for attaching the vehicle grab handle (10) to a vehicle body, a bearing section (18) of the handle (12) being pivotally mounted to the bearing support (14), two shaft stubs (22, 24) being provided on the bearing support (14) which define a pivot axis (S) for the handle (12) and which can be shifted along the pivot axis (S) from an initial position to a connection position, and the shaft stubs (22, 24) coupling the handle (12) and the bearing support (14) to one another in the connection position.

Abstract: In a rotary damper capable of being easily assembled by reducing the remaining air inside an accommodation portion and reducing the non-uniformity of damping torque, a center shaft 73 is provided in the center of a fixing and supporting member 71, an inner cylinder wall 63 into which the center shaft 73 is inserted rotatably is provided in a driven rotation member 61, an O ring 81 which prevents the leakage of viscous fluid 101 from between the driven rotation member 61 and the fixing and supporting member 71 is provided, a first path 70 which enables the accommodation portion 91 to communicate with its outside is provided between the center shaft 73 and an inner circumference face of the inner cylinder wall 63, and a hole 63c which allows the bottom side of the O ring 81 inside the accommodation portion 91 to communicate with the first path 70 is provided in the driven rotation member 61.

Abstract: A rotary damper comprises a casing fixable to a structure and which comprises a wall which surrounds a chamber filled with a viscous fluid and has an inner surface facing the chamber. A cover is mounted and welded on a shoulder surface of the wall of the casing in such a way as to close the chamber in a sealed manner. A rotor which is mounted rotatably on the casing and comprises a disc portion, adapted to rotate within the chamber, and has a shaft portion extending axially from the disc portion and emerging through the cover so as to be operationally associable with a movable member. The cover has peripherally a collar-like protuberance, extending along the entire perimeter of the cover and coupled to the inner surface of the wall of the casing in such a way as to oppose the infiltration of the viscous fluid between the collar-like protuberance and the inner surface of the wall.

Abstract: A bearing system comprises a support member and a rotational element having a generally cylindrical bearing surface, and a plurality of detents defined upon and extending in from the cylindrical bearing surface, and may include means for rotating the rotational element in relation to the support member. The bearing system also comprises at least three bearing assemblies, each comprising a cam member rotatably mounted to the support member. Each of the cam members comprises a cam surface having a profile that contacts the cylindrical bearing surface and rotates away from a home position when the cam is rotatably positioned to meet one of the bearing regions, and does not contact the cylindrical bearing surface when the cam is rotatably positioned to meet one of the detent regions. Each of the cam members are rotationally biased toward their home position.

Abstract: Systems and methods for providing a haptic device are described. In one described system, a first brake surface of a first element contacts a second brake surface of a second element. At least one actuator is configured to exert a force on at least one of the first and second elements. A flexure is coupled to at least one of the first element, the second element, a housing, a manipulandum, and a shaft coupled to the manipulandum. The flexure provides a degree of rotational flexibility to the manipulandum when the at least one actuator exerts the force. The described system may include a processor in communication with the at least one actuator for providing the haptic effects.

Abstract: A device (15) for slowing the movement of a door (2) urged by unidirectional thrust means (4), including a casing (17) fixable to a structure (S) and defining a chamber (18) filled with a viscous fluid, and a rotor (31). The rotor (31) includes a disc portion (32) and a shaft portion (33) protruding through the lid (21) of the casing (17) in such a way as it can be associated with the door (2). The base surface (23a) of the chamber (18) has a recess (51) operable to house a pivotable arm (52). The arm (52) has a pin portion (54) protruding into the chamber (18). The lower surface (62) of the disc portion (32) of the rotor (31) has a groove (70) for engaging the pin portion (54) of the arm (52). At one end (73), the groove (70) has a cam (76) dividing it into a return path (75) and a forward path (74) for the pin portion (54) so as to define a locking position for the rotor (31) in cooperation with the thrust means (4).

Abstract: A lid opening-closing mechanism of a container device for a vehicle, including: a container device body provided in a vehicle interior of a vehicle; a lid attached freely openable and closable to the container device body; an elastic member interposed and provided between the container device body and the lid configured to bias the lid in an opening direction and a closing direction of the lid with biasing force; and a bidirectional damper attached to the container device body configured to attenuate the biasing force of the elastic member with attenuating force, wherein the elastic member includes a reversal spring in which biasing directions of the biasing force are reversible based on a reversal point in which one of the biasing directions is in the closing direction of the lid in a closed side of the lid of the reversal point and in which the other of the biasing directions is in the opening direction of the lid in an open side of the lid of the reversal point, and wherein the bidirectional damper include

Abstract: A friction drive device includes a first roller with a support part, a second roller, and a cam member to support them. The second roller receives press force from the first roller at a contact point of them so as to transmit mechanical power therebetween. The cam member has a cam formed with a cam slope on which the support part of the first roller is pressed by reaction torque from the second roller that is caused by transmission torque applied from the first roller. The cam slope is formed to have an angle with respect a tangent line at the contact point so that the first roller is pressed by reaction force of the cam to apply the press force proportional to the transmission torque to the second roller.

Abstract: A braking device for a power winch includes a reduction box disposed in the interior with a sectional shaft, an elastic member, a braking lining, a first engraved block, a second engraved block and a clutch base. The braking lining is an independent component assembled and positioned in the accommodating hollow of the reduction box. Only when the motor stops operating and the power winch carries out braking, may the braking lining cause wear, able to prolong the service life and elevate effect in use, and convenient in replacing.

Abstract: A rotary damper includes: a damper body mounted on a rotary shaft; a cam mechanism provided in the damper body to set a rotation pattern of the rotary shaft; a restoring force-accumulating member that accumulates a restoring force in accordance with rotation of the rotary shaft; and a rotation control member for controlling the rotation of the rotary shaft. The damper body is formed by setting a bottomed, cylindrical outer case having an opening at one end thereof and a bottomed, cylindrical inner case having an opening at one end thereof, face-to-face with each other and fitting the two with each other rotatably. The rotation control member is interposed between an inner periphery surface of the outer case and an outer periphery surface of the inner case on an outer periphery side of the damper body.

Abstract: The rotation-retarding device includes a first element and a second element having a rotary motion to be retarded relative to each other. The first element includes a block of flexible material (106), the second element (107) is able to locally deform the block of flexible material (106) throughout the rotary motion in order to retard this motion, and anti-adherence means are provided at the interface of the two elements. The block of flexible material (106) may also have a dimensional variation able to permit progressive retarding of the rotary motion.

Abstract: A first damper mechanism 159 for absorbing and attenuating minute torsional vibration in a damper disk assembly for transmitting torque in a vehicle, has a plate spring 162. The plate spring 162 extends in the rotational direction having main surfaces facing in the radial direction. The plate spring 162 is pushed by the hub 106 in the rotational direction to slide against the intermediate rotating member 110 when the hub 106 and the intermediate rotating member 108 rotate relative to each other, thereby generating friction resistance.

Abstract: An energy absorber comprises a housing (1), a store (15) of plastically deformable material (8) mounted in the housing and having an endstop (27), an attachment (3) for attaching the energy absorber to a structure, another attachment (10) for attaching the plastically deformable material (8) to a structure, and the housing mounting a pair of spaced pins (5, 6) around which the deformable material (8) from a coil is plastically deformed in different directions in a sequential manner to absorb energy. A pair of pins (7, 33) or a guide element (51) and a pin (33) are contacted by the endstop (27) to limit the plastic deformation.

Abstract: A rotation-retarding device includes two members having rotational movement relative to each other to be retarded. The first member has an axle and the second member has a housing (25) adapted to receive the axle. A retarding arrangement includes at least a part of the wall (24) of the housing. The wall is made of elastically deformable flexible material, and has, facing the axle, at least one working surface (28) of cam form. The retarding arrangement also includes at least one projection on that axle, adapted to cooperate with the working surface (28) associated therewith to retard the movement with the resisting couple being adapted to the driving couple at each angular position.

Abstract: An energy absorber comprises a housing (1), a store (15) of plastically deformable material (8) mounted in the housing and having an endstop (27), an attachment (3) for attaching the energy absorber to a structure, another attachment (10) for attaching the plastically deformable material (8) to a structure, and the housing mounting a pair of spaced pins (5, 6) around which the deformable material (8) from a coil is plastically deformed in different directions in a sequential manner to absorb energy. The endstop (27) limits the plastic deformation.

Abstract: The rotation-retarding device includes a first element and a second element having a rotary motion to be retarded relative to each other. The first element includes a block of flexible material (106), the second element (107) is able to locally deform the block of flexible material (106) throughout the rotary motion in order to retard this motion, and anti-adherence means are provided at the interface of the two elements. The block of flexible material (106) may also have a dimensional variation able to permit progressive retarding of the rotary motion.

Abstract: A rotary damper includes a housing (1) that has a holding chamber (4), a rotor (2) integral with a gear (2a) disposed rotatably in the holding chamber (4) of the housing (1), and a braking member (3) for controlling the rotation of the rotor (2). The braking member (3) is interposed between the outer periphery of the rotor (2) and the inner periphery the holding chamber (4). A supporting shaft (5) is erected on the bottom part of the holding chamber (4) of the housing (1). A through-hole (7) is bored in the rotor for permitting insertion therein of the supporting shaft (5) in the axial direction of the rotor (2). The rotor (2) is supported through the supporting shaft (5) and the through-hole (7). With this configuration, a stabilized braking force is constantly provided because the rotor (2) does not incline it is being rotated.

Abstract: An integrated drive unit having planetary gearing and an annular cone brake element affixed to a hydraulic motor barrel. A brake piston encircles the hydraulic motor barrel and is selectively engageable with the cone brake element to actuate the cone brake element into frictional contact with the spindle of the integrated drive unit to act as a safety/parking brake. The cone brake element is formed of a bronze-type powdered metal of sufficient durability to withstand dynamic braking. The hydraulic motor is selectively connectable to a transmission including planetary gearing. The planetary gearing of the present invention includes a planet gear carrier having carrier pins formed of a relatively low carbon steel and locally hardened over the area on which the planet gears will be supported. In an alternative embodiment, a carrier pins sleeve formed of VESPEL is utilized as the bearing between the planet gear and the carrier pin.

Abstract: A rotary damper includes a housing (1) that has a holding chamber (4), a rotor (2) integral with a gear (2a) disposed rotatably in the holding chamber (4) of the housing (1), and a braking member (3) for controlling the rotation of the rotor (2). The braking member (3) is interposed between the outer periphery of the rotor (2) and the inner periphery the holding chamber (4). A supporting shaft (5) is erected on the bottom part of the holding chamber (4) of the housing (1). A boring a shaft-hole (7) is bored in the rotor for permitting insertion therein of the supporting shaft (5) in the axial direction of the rotor (2). The rotor (2) is supported through the supporting shaft (5) and the shaft-hole (7). With this configuration, a stabilized braking force is constantly provided because the rotor (2) does not incline while it is being rotated.

Abstract: A braking drive for a control cable or shaft has a drive shaft with a radial journal. A contractible brake ring has opposing ends defining a gap, with the journal in the gap The ring has an exterior surface biased outwards and two interior detents. A stationary interior housing circumscribes the ring, with an interior surface in frictional contact with the ring. An exterior portion of the housing has bosses being disposed within the detents of the ring. Friction between the ring and the housing interior arrests rotation of the journal and drive shaft until a force on the exterior portion of the housing moves the bosses, transferring the force to the ring via the detents, whereby the ring is contracted, releasing the frictional brake between the housing and the ring, thereby allowing rotation of the drive shaft.

Abstract: The module (10) serves for producing a force hysteresis during pivoting of a rotary element (14, 16) which is mounted rotatably in a housing (12) and on which there is secured at least one spring element (20), of which the free end slides, via a friction element (18), on a stationary friction surface (22). In order for it not to be necessary to rely on separate restoring mechanisms, it is proposed that, in all the angled positions of the rotary element (14, 16) relative to the housing (12), the reaction force of the spring element (22) subjects the rotary element (14, 16) to a restoring moment about the rotary spindle (24). Such a module (10), with a compact construction, makes it possible, with the aid of a spring element (20), to produce both the restoring forces and the frictional forces necessary for the hysteresis.

Abstract: A lining member is provided for a drag mechanism of a fishing reel. The lining member includes fibers (43) which are adhered to a base member (41) by an adhesive layer so that each fiber extends in a direction substantially perpendicular to the surface of the base member (41), wherein one end of each fiber is adhered to the adhesive layer, and other end of each fiber is free from the adhesive layer.

Abstract: A damping structure is formed of a base including at least one projecting portion having a shaft or a hole, and a first engaging portion; a rotating member including a first wall portion having the other of the hole or the shaft engaging the shaft or hole, a second wall portion facing the first wall portion to receive the projection therebetween so that when the first wall portion is supported by the projecting portion, a space is formed between the projecting portion and the second wall portion, and a second engaging portion; and a damper disposed in the space. The damper includes an inner shaft having a third engaging portion engaging the first or second engaging portion, and an outer shaft rotatably situated around the inner shaft to generate a damping force against a rotation of the inner shaft. The outer shaft has a fourth engaging portion engaging the first or second engaging portion to thereby provide a damping force to the rotating member.

Abstract: A braking apparatus for imparting constant mechanical torque to effect a braking action is capable of operating in a constant, smooth, and adjustable manner, yet operates essentially independent of friction and temperature, as well as independent of rotational speed. The braking apparatus includes a hub assembly having a hub, a collar, a plurality of torsional springs, a spring cap, a spring bushing, and damping means, and a sprocket assembly having a sprocket, a hub bearing, a retaining ring, and a plurality of roller assemblies each of which has a roller. The sprocket assembly is rotatably connected to the hub assembly by a hub assembly spring, a sprocket assembly spring, an adjustment cap, and an adjustment means. The apparatus provides braking by releasably contacting at least one of each of the rollers with at least one of each of the torsional springs so as to deflect and then release the torsional spring as the sprocket assembly rotates about the hub assembly.

Abstract: The present invention relates to a friction resistance generator capable of always generating a stable frictional force even if the opposed surfaces of a rotary member and a passive member have a curved shape such as a circumferential surface or a spherical surface. In the present invention, when the rotary member is rotated in the predetermined direction while a load is applied to the passive member, the rollers supported rotatably on one of the rotary member and the passive member rotate while being in contact with the rotary member or the passive member, thereby generating a frictional force according to the load on the rollers. In this case, the rollers are installed rotatably on either one of the opposed surfaces of the rotary member and the passive member, and the rollers are arranged so as to be capable of coming into contact with the other of the opposed surfaces of the rotary member and the passive member.

Abstract: A braked mechanical joint assembly comprises: a) a first brake member; b) a second brake member rotatable relative to the first brake member; c) a friction member positioned between the first and second brake members; d) a pushing element for compressing the first and second brake members together, thereby frictionally engaging them with the friction member so as to oppose relative rotation of the brake members. A resting braking torque is set at a resting joint position by initial adjustment of the pushing element.