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7264315 |
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 t...
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7048096 |
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 a...
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6848750 |
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 ( 20 A), allowing a...
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6843349 |
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. ...
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6749039 |
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 re...
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6739435 |
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...
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6637827 |
The frame of an in-line skate (FIG. 8 B) 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 ( 20 A), allowing...
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6588552 |
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...
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6568987 |
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 assemb...
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6446982 |
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...
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6412606 |
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 ...
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6374963 |
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 act...
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6352139 |
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...
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6311808 |
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 mechanica...
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6296260 |
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 wal...
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6260667 |
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 brak...
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6217038 |
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 ...
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6179314 |
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 wh...
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6146237 |
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 f...
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5671829 |
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, t...
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5647577 |
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 ...
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5568844 |
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 e...
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5497856 |
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. ...
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5458318 |
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 overspee...
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5044055 |
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...
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4889211 |
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 redu...
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4753162 |
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 fro...
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4567965 |
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...
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4390924 |
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 mechanis...
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4232564 |
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 mech...
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4185722 |
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 e...
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3827534 |
A disc brake has a peripherally mounted and driven annular disc and a fixed caliper assembly with a caliper leg on either side of the disc and a caliper mounting section extending across the disc radially inward thereof. The inboard cali...
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3826199 |
Power attachment made to the lower portion of a rail car wheel, at the outer side thereof, to render a railway car self-propellable bidirectionally. The structure includes a roller-carrying C-clamp which, from a side entry position relat...
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3722633 |
A U-shaped slip ring frictionally engages a boss on an escapement wheel to decelerate a freed carriage before it strikes a stopping abutment. The spring normally rotates with the escapement wheel. However, when the carriage is freed, the...
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3659686 |
A brake means for electric motors to stop rotation of the drive shaft immediately when the motor is de-energized. The motor shaft frictionally carries a brake plate and the brake plate bears frictionally against a surface of the rotor. T...
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3442355 |
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3346925 |
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3248125 |
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3226129 |
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3100030 |
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3061232 |
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3003587 |
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2984432 |
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2981388 |
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2949172 |
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2875874 |
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2873822 |
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2870654 |
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2829739 |
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2728420 |
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