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Class Information
Number: 188/78
Name: Brakes > Wheel > Transversely movable > Expanding
Description: Brakes moving transversely to and away from the axis and partially or wholly encircling the inner rim of the wheel.










Sub-classes under this class:

Class Number Class Name Patents
188/341 Anchor 71
188/336 Continuous split band 18
188/340 Lateral guide for shoe 44
188/79 Multiple sets 6
188/335 Radially guided shoe 14
188/342 Self-energizing 12
188/323 Three shoes 7
188/325 Two shoes 103
188/343 Wedge operator 56


Patents under this class:
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Patent Number Title Of Patent Date Issued
8689948 Machine tool having a brake system Apr. 8, 2014
8677870 Protective system for machine tools Mar. 25, 2014
8636117 Wedge shape safety stop Jan. 28, 2014
8622178 In-hub braking system for manual wheelchairs Jan. 7, 2014
8616100 Emergency braking system for machine tools Dec. 31, 2013
8601922 Protective system for machine tools Dec. 10, 2013
8596422 Wedge shape safety stop Dec. 3, 2013
8505695 Method and apparatus for facilitating performance of vehicle braking systems Aug. 13, 2013
8453811 Spherical braking system Jun. 4, 2013
8359958 Emergency braking system of a machine tool Jan. 29, 2013
8167090 Apparatus for safely lowering user from structure May. 1, 2012
7637361 Combined retainer and anchor for floating shoe drum brake Dec. 29, 2009
7441633 Apparatus for automatic brake of walking support machine Oct. 28, 2008
7258209 Brake drum and method for producing the same Aug. 21, 2007
7219793 Apparatus, arrangement and method for braking May. 22, 2007
7077249 Drum brakes with interconnected multi-degrees-of-freedom shoes Jul. 18, 2006
7059457 Expansion motor Jun. 13, 2006
6962241 Brake cable connecting apparatus for a drum brake device Nov. 8, 2005
6666302 Parking brake device including pivotable brake lever which extends through aperture of backing plate Dec. 23, 2003
6619441 Conical brake assembly Sep. 16, 2003
6557673 Integral park brake/eddy current brake assembly May. 6, 2003
6554110 Drum brake device Apr. 29, 2003
6547047 Drum brake device Apr. 15, 2003
6510928 Brake cable mounting structure for a drum brake device Jan. 28, 2003
6497310 Drum brake device Dec. 24, 2002
6415894 Parking brake Jul. 9, 2002
6412609 Brake cable mounting structure for a drum brake Jul. 2, 2002
6325183 Brake cable mounting structure for a drum brake Dec. 4, 2001
6321886 Final balanced brake drum having integral squealer band and method for producing same Nov. 27, 2001
6318515 Hold down spring for a drum brake Nov. 20, 2001
6302245 Drum brake device Oct. 16, 2001
6293374 Drum brake seal structure for all-terrain vehicle wheel Sep. 25, 2001
6279699 Final balanced brake drum having integral squealer band and method for producing same Aug. 28, 2001
6253884 Rear brake unit for a beach buggy Jul. 3, 2001
6230853 Drum brake device May. 15, 2001
6206150 Composite brake drum having a balancing skirt Mar. 27, 2001
6142271 Servo friction brake Nov. 7, 2000
6112863 Band brake with evenly distributed braking force application Sep. 5, 2000
5992581 Final balanced brake drum having integral squealer band and method for producing same Nov. 30, 1999
5957247 Actuator for a parking brake Sep. 28, 1999
5924526 Inside shoe drum brake Jul. 20, 1999
5913390 Electro-mechanical actuator for a drum brake Jun. 22, 1999
5873443 Shiftable device acting as a brake or clutch, such as a frictional brake or a frictional clutch Feb. 23, 1999
5865277 Wheels and brakes for vehicles Feb. 2, 1999
5836429 Brake shoe pin and preassembled spring and cup assembly Nov. 17, 1998
5819887 Drum brake device Oct. 13, 1998
5695025 Steering axle brake assembly Dec. 9, 1997
5664648 Prestressed brake drum or rotor Sep. 9, 1997
5586625 Method for final balancing a brake drum Dec. 24, 1996
5538111 Vehicle brake drum having a cracked surface for increasing vibration dampening Jul. 23, 1996

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