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Class 188/80 - Rotary shoes


Subclass of Class 188 - Brakes
Definition: Wheel-brakes with rotating shoes.
No. of patents: 21
Last issue date: 02/20/2007


NumberTitleIssue Date
7178368Rotating-drum washing machine
The washing machine comprises a rotating drum (4) formed by two complementary portions, a first one (6) of which is connected to driving means (10, 11), while the other one (7) is rotatably free with respect to the first one (6), b...
02/20/2007
6367789Clutch for pivoting workpiece support
A clutch and a workpiece support incorporating the same selectively restrict rotation of a rotatable member through the use of one or more rollers that are pinched between the outer surface of the rotatable member and corresponding convergent surfaces dis...
04/09/2002
6227337Clutch for pivoting workpiece support
A clutch and a workpiece support incorporating the same selectively restrict rotation of a rotatable member through the use of one or more rollers that are pinched between the outer surface of the rotatable member and corresponding convergent surfaces dis...
05/08/2001
5987704Dual axis hinge apparatus with braking mechanism
An improved hinge mechanism for use with a portable computing device is disclosed. According to one embodiment, a hinge mechanism includes a first gear and a first deformable braking mechanism that is coupled to the first gear. The first deformable brakin...
11/23/1999
5197575Small vehicle braking system
A braking system for small vehicles which includes a disc which is connected to the wheel of the vehicle which is to be braked. The disc is connected so that it rotates in a substantially parallel plane to the plane of rotation of the wheel. Two friction ...
03/30/1993
4836567Roller skis
The invention concerns a roller ski, each of which has a longitudinal support (1) equipped with a ski binding (5) to secure a ski boot, on which support (1), front and back, rubber-tired running wheels (3, 8, 9) are situated, one or more of which are prov...
06/06/1989
4712645Fire escape device
A fire escape device suitable for receiving a person or persons to be safely descended from a relatively high elevation to the ground. The device includes a substantially box-like housing which contains a drum with a supporting cable and gear system. A ba...
12/15/1987
4669686Braking mechanism with different forces for opposite directions
A braking member, which is a roller, is pressed against a braked surface of an object by an element having a pressing surface which is elongated in the direction of relative movement and is parallel to the braked surface. Movement of the braking roller al...
06/02/1987
4653764Restraining device for shopping cart or the like
A shopping cart or the like having supporting wheels, one or more of which has a non-rotating detenting element rotatably engaged by rollers of elastomeric material carried by the wheel. Detenting formations on the element yieldably brake the wheel in dif...
03/31/1987
4544048Magnetic friction device
A magnetic friction device for permitting one machine member to be moved relative to another by applying a predetermined force and for holding one member in a fixed position when the force is discontinued. One member is magnetically susceptible and has a ...
10/01/1985
4526389Roller skate brake
A brake for a roller skate that prevents rolling backward comprising a pair of rollers (37) eccentrically mounted on an axle (36) and positioned immediately adjacent the front wheels (17) so as to allow forward rotation but to bind against and brake the w...
07/02/1985
4369759Recoilless air weapon
In a sporting air gun in the nature of a recoilless pressurized-air weapon, having a recoilable system which is translatably mounted so as to slide forward and backward on the gunstock of the weapon in a direction which is generally longitudinal. The reco...
01/25/1983
4266634Braking device
A braking device including a circular rotor coaxially fixed to the shaft of a rotary machine, a brake drum made of a material for elastic deformation and mounted on the rotor, and rollers interposed between the circular rotor and the brake drum. The rolle...
05/12/1981
4243217Exercising apparatus
A cycling exerciser comprises a frame within which is mounted a pedal-driven wheel. A lever carrying a pair of rollers is pivotally mounted on the frame and the rollers are biased into engagement with the wheel by means of a weight also carried by the lev...
01/06/1981
4128144Brake and wheel lock
A brake for locking a dolly caster wheel against rotation in either direction; the brake including a pair of parallel, spaced apart jam rollers each of which is carried on a frame, the frame being movable by means of a single push button so to move both r...
12/05/1978
4042075Mounting and brake assembly for roller blind
A mounting assembly for a roller blind comprises a housing in which is rotatable a drive wheel by a flexible member such as a chain. A roller blind is connected to a shaft which carries this drive wheel and is, therefore, rotatable with the drive wheel fo...
08/16/1977
4042076Braking system
A braking system for engaging a vehicle's wheel including a first braking step to retard the vehicle and a second braking step to halt the vehicle while still avoiding skidding....
08/16/1977
4007692Braking device for sleds for sliding paths
A braking device for sleds, according to which rollers are used as braking elements which by means of an actuating element are moved from a non-braking position into a braking position while being pressed against the surface of the sliding path for the sl...
02/15/1977
4000796Braking device
A braking device for retarding and controlling the speed of moving objects such as cartons, pallets and the like, travelling down an inclined roller conveyor system. The device comprises a primary roll journalled in a housing and having a peripheral surfa...
01/04/1977
3960247Motion damper
A damping apparatus for retarding motion of a movable body is disclosed. The apparatus has a damper unit with at least two rollers having resilient peripheral surfaces. The rollers are free wheeling relative to one another and roll along a guide in contac...
06/01/1976
3938628Disc brake assembly
A disc brake assembly of the type used primarily in an automobile or like motor vehicle environment and including a disc member attached to the wheel, and a lining and lining assembly disposed immediately adjacent the disc for frictional engagement therew...
02/17/1976
 
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