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| Number | Title | Issue Date |
| 8087498 | High power/weight ratio braking device based on shape memory material technology The braking device is provided a set of shape memory alloy activators positioned, in an agonistic-antagonistic configuration on each side of a brake lever. Braking and releasing phases are dictated by the austenitic transformation of the shape memory alloy activator... | 01/03/2012 |
| 7350628 | High force locking spring A spring system for relatively displacing elements attached to end mounts of the spring system. The spring system includes a housing having an axis, an internal chamber, and axially opposite bottom and top ends, a spring rod coaxial with the axis and positioned with... | 04/01/2008 |
| 7320392 | Shaft coupling unit A shaft coupling unit is disclosed, which comprises a coupling disk (1), a disk (2), a spring (3), a concave member (4), a convex member (5) and a draw lever (14). The concave member (4) is press fitted against the co... | 01/22/2008 |
| 7264315 | Wheel assembly and wheelchair A wheel assembly having multiple small rotatable wheels mounted laterally thereon whereby lateral movement as well as forward and backward movement is provided. A pair of the wheel assemblies are utilized on a hand-propelled wheelchair that can be moved laterally as... | 09/04/2007 |
| 7147380 | Pressure screw assembly primarily used with an axially guided locking ring to permit controlled axial clearance movement of the chock bearing A locking ring assembly retains a bearing to a shaft rotatably supported on a first axis of rotation. Guide pins or rods extend axially from an annularly shaped bearing retainer slideably disposed on the shaft towards the pressure ring, also slideably disposed on th... | 12/12/2006 |
| 7131518 | Motion control apparatus with backlash reduction A motion controller for use with a rod (10A, 10B, 10C) has a backlash reducer (88A, 88B, 88C) that substantially reduces or eliminates the space created after manufacturing parts with specified tolerance dimensions to substa... | 11/07/2006 |
| 7048096 | Incremental braking apparatus and method of braking An incremental braking apparatus and method includes a first rotating member having a plurality of rigid stops spaced circumferentially around an outer cylindrical surface of the first rotating member, and a plurality of flexible stops arranged in a plurality of row... | 05/23/2006 |
| 7032633 | Cutting tool and system for coring a bowl using a lathe A cutting tool piece is provided including a rear portion and a lead portion, the lead portion including a front section having an upper side angled downwardly and forwardly and a lower side angled upwardly and forwardly to form a transverse lead cutting edge. The r... | 04/25/2006 |
| 6964213 | Low power, high torque actuator retention A smart actuator and method includes an actuating device adapted to deliver a selected driving torque to a geartrain that is coupled to an output shaft and adapted to selectively convey the driving torque from the actuating device to the output shaft to achieve a se... | 11/15/2005 |
| 6848750 | Generation of in-line skates and skate-boards with safety “edging friction control™” The frame of an in-line skate (FIG. 8B) supports a wheel (10), allowing a skater to effectively slow down and stop, using an athletic stance that skiers on snow and ice skaters on ice use. The wheel (10) has a hub (20A), allowing a wheel to rota... | 02/01/2005 |
| 6843349 | Trolley wheel mechanism A trolley wheel mechanism has two caster wheel assemblies each having a pair of wheels mounted on a rotatable housing. In a free mode the wheels are free to both rotate and to swivel. This is caused by the user pressing a release pedal. In a unidirectional mode a re... | 01/18/2005 |
| 6749039 | Go-kart assembly A modular go-kart assembly includes an acceleration assembly cooperatively working with a braking assembly for powering and stopping the go-kart assembly. The go-kart assembly further includes a central body, a front drive assembly, a rear drive assembly, and a prot... | 06/15/2004 |
| 6739435 | Device for locking/unlocking the movement of a notched member A device for locking/unlocking the movement of a notched member, comprising a toothed wheel, having a coaxial bore and whereof the teeth have a pitch equal to that of the member, and a fixed shaft about which is mounted the toothed wheel, the shaft has a diameter le... | 05/25/2004 |
| 6637827 | Generation of in-line skates and skate-boards wtih safety "edging friction control™" The frame of an in-line skate (FIG. 8B) supports a wheel (10), allowing a skater to effectively slow down and stop, using an athletic stance that skiers on snow and ice skaters on ice use. The wheel (10) has a hub (20A), allowing a wheel to rotate around ... | 10/28/2003 |
| 6588552 | Brake The present invention relates to a brake, which has a fixed seat, a friction brake shoe, a braking part, a braking spring, an acting block, and a driving block. The acting block is connected with a driving member and matched on an acting face of the drivi... | 07/08/2003 |
| 6568987 | Brake assembly for a toy vehicle A brake assembly for a toy vehicle includes first and second wheel assemblies mounted on a axle, a cam which is rotatable with the first wheel assembly, and a brake member which is activatable by the cam to engage the second wheel assembly. An orthogonal ... | 05/27/2003 |
| 6446982 | In-line skate conversion apparatus At least one walking member is detachably connectable to an in-line skate to enable the wearer of the in-line skate to connect the walking member to the in-line skate, thus enabling the wearer to walk while wearing the in-line skate. Two walking members c... | 09/10/2002 |
| 6412606 | Damper/positioning structure A damper includes a barrel axially slidably mounted on a shaft, an elastic ring mounted inside the barrel around the shaft, arched pressure blocks mounted abutted against one another inside the elastic ring around the shaft, each arched pressure block hav... | 07/02/2002 |
| 6374963 | Normally closed brake The present invention relates to a brake, which has a fixed seat, a friction brake shoe, a braking part, a braking spring, an acting block, and a driving block. The acting block is connected with a driving member and is matched on an acting face of the dr... | 04/23/2002 |
| 6352139 | Indexable spindle locking device A locking device (10) for an indexable spindle (1) to which a tool electrode is attached, comprises a brake disk (2) fixed to the spindle, an annular upper brake member (11) movable in the axial direction of the spindle between a first position and a seco... | 03/05/2002 |
| 6311808 | Combined service and parking brake system The present invention relates to a combined service and parking brake system, especially for automotive vehicles, which includes a hydraulically clampable combined service and parking brake with a mechanical locking device. The mechanical locking device i... | 11/06/2001 |
| 6296260 | Supplemental wheel for a golf bag cart A supplemental wheel for a golf bag cart including a mounting block that is securable to a lower bag support of a golf bag cart. The mounting block has a generally rectangular configuration defined by a short top wall, a short bottom wall, long opposed fr... | 10/02/2001 |
| 6260667 | Rotor containment brake A generator and process for operating a generator in which, upon a bearing failure, a braking force is applied to the rotor shaft responsive to the bearing failure. Preferably, the rotor shaft at the anti-drive end is hollow and the brake is provided in t... | 07/17/2001 |
| 6217038 | Integral wheel support and brake for in-line skate An in-line skate includes a boot and frame secured to the underside thereof. The frame supports a plurality of rolling wheels in an in-line arrangement. A brake assembly operative upon the rearmost wheel in the in-line skate arrangement includes a wheel h... | 04/17/2001 |
| 6179314 | Front wheel drive ride-on vehicle A human-powered ride-on vehicle for a rider includes an integrated body/frame element having a seat for the rider formed thereon; a pair of spaced-apart front wheels mounted to the body/frame element, wherein at least one of the front wheels is driven by ... | 01/30/2001 |
| 6146237 | Toy finger operated bicycle A toy bicycle that is a scale model including frame, seat, handlebar, front and rear wheel and drive assemblies comparable to a full-sized bicycle. There is also included front and rear braking mechanisms that can be readily and easily finger operated. Th... | 11/14/2000 |
| 5671829 | Brake system for elevator car doors A brake mechanism for slowing elevator car doors in an elevator system during an emergency power outage or electrical control malfunction includes a brake shoe activated by a solenoid. During normal operation of the elevator car doors, the solenoid is in ... | 09/30/1997 |
| 5647577 | Brake apparatus for an extendable lift apparatus A braking mechanism for a winch. The braking mechanism includes a sleeve disposed on a motor shaft. The sleeve has slots at intervals which match and align with the slots in the shaft. The sleeve and the shaft are synchronized by a knob that engages the s... | 07/15/1997 |
| 5568844 | Braking apparatus operated via resilient deformation of coned disk springs A braking apparatus performs its braking action by pressing a brake bush radially inwardly against a rod. The brake bush is pressed via a plurality of coned disk springs, each of which has a plurality of outer and inner radial recesses extending from its ... | 10/29/1996 |
| 5497856 | Locking caster brake assembly A foot operated locking brake mechanism for preventing the rotation of a caster wheel supported on an axle within a wheel fork. A pair of support members secured to the legs of the wheel fork extend radially outward of the caster wheel. The legs of a U-sh... | 03/12/1996 |
| 5458318 | Drum brake A safety mechanism for preventing a cable drum to rotate with overspeed has parallel ratchet wheels which encircle a brake drum. At a periphery of the ratchet wheels are stopping slots wherein a latching pawl is inserted when an overspeed is detected. The... | 10/17/1995 |
| 5044055 | Hydraulically operated spindle carrier clamping mechanism A clamping mechanism is provided to prevent movement of the rotatable stock carrier of a multiple spindle bar machine after it has rotated into position for the machining operation. The clamping mechanism comprises a controllable locking pin to engage ind... | 09/03/1991 |
| 4889211 | Printing press idle roller braking system A printing press idle roller braking system is provided with a friction member mounted to the printing press frame for making frictional circumferential contact with an outer circumferential periphery of a cylindrical idle roller to reduce and control the... | 12/26/1989 |
| 4753162 | Turret brake for multi-color screen printer A multi-color printing apparatus for automatically screen printing workpieces in diverse colors. The apparatus has a plurality of printing units spaced about a central support. A number of radially extending support arms cantilevered from the central supp... | 06/28/1988 |
| 4567965 | Propeller brake A propeller brake for an engine having a propeller shaft includes a housing (10) and a brake shaft (18) rotatably mounted in the housing (10). The brake shaft (18) is coupled to the propeller shaft to rotate therewith. Also included is a brake (64,74) and... | 02/04/1986 |
| 4390924 | Variable capacitor with gear train end stop An energy absorbing mechanical end stop for a high speed gear train that is used to drive a variable vacuum capacitor utilizes a friction plate that is mounted to a gear member of the high speed gear train as an energy absorbing mechanism. A wedge member ... | 06/28/1983 |
| 4232564 | Bicycle speed change lever device A bicycle speed change lever device comprises a lever body pivotally mounted on a support shaft and having a handle portion and a base portion which is formed with internal hollow spaces, within which are disposed a step positioning mechanism including a ... | 11/11/1980 |
| 4185722 | Magnetic clutch and brake assembly A positive acting magnetic clutch and brake assembly characterized by including a movable, magnetic member provided with two sets of detents arranged respectively on its opposing outer surfaces. The member is alternately shiftable into either a brake posi... | 01/29/1980 |
