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Class 192/13A - Clutch-released brake holder


Subclass of Class 192 - Clutches and power-stop control
No. of patents: 50
Last issue date: 03/24/2009


1    
NumberTitleIssue Date
7506737Marine reversing gear assembly provided with locking device
A self-contained marine reversing gear assembly is provided with a locking device for an internal combustion engine in which introduction of the working oil from the lubricating oil circuit is unnecessary. The locking device includes an input shaft driven by an inte...
03/24/2009
7401873Method for preventing a stationary vehicle from unintentionally rolling
A method for preventing a stationary vehicle from unintentionally rolling away. The transmission is not in a neutral position. By activating a brake, a holding mode is actuated whereby a brake is released, dependent upon the displacement of a clutch, which determine...
07/22/2008
7124661Parking level apparatus of a vehicle
A parking lever of a vehicle includes a slider of a predetermined length mounted to a lower area of a lever assembly. Also, a guide rail into which the slider is inserted is formed in a casing. The slider undergoes a sliding movement within the guide rail such that ...
10/24/2006
7082709Weapon sling and attachments
A lower sling attachment adapter for use in the M-16 rifle and M-4 carbine and their equivalents utilizing a rear or butt stock mounted on a tube, one end of which tube is threaded into the rear of the receiver of the weapon, the improvement comprising a lower sling...
08/01/2006
7051499Riding mower provided with hydrostatic transmissions
As an embodiment of the present invention, a brake pedal 69 for braking right and left rear wheels 3 and a parking operation member 78 for maintaining a step-on condition of the brake pedal 69 are provided on a step 67. As a result...
05/30/2006
7017191Ventilated protective garment
A ventilated protective garment particularly for wear by operators, occupants, and passengers of sports motor vehicles, such as motorcycles for example, includes a garment body which may be configured as a jacket or coat, and which includes an especially configured ...
03/28/2006
6708805Riding tractor for supporting a mower unit
A riding tractor in which engine output is transmitted to a running device through a hydrostatic stepless transmission. The tractor has a braking device for acting on the running device, a first brake operating device and a second brake operating device operable ind...
03/23/2004
6370466Braking force retaining unit
A braking force retaining unit, which retains braking force until driving force for starting a vehicle increases to a certain value such that the braking force continues to act on the vehicle after releasing a brake pedal, wherein said braking force retai...
04/09/2002
6044941Clutch-brake interlocking mechanism for starting and stopping vehicle
A clutch-brake interlocking mechanism interlocks a brake with a clutch to prevent the brake and the clutch from being disengaged simultaneously so as to prevent a vehicle from inadvertently moving on a slope. The interlocking mechanism includes: (a) a fri...
04/04/2000
6009984Method and apparatus for controlling the brake system of a vehicle
A hill-holder function is initiated when the brake pedal is actuated while the vehicle is in at least one operating state. The braking force is thus locked into at least one wheel brake independently of the extent to which the pedal is actuated. This brak...
01/04/2000
5911646Control apparatus for automatic transmission
When a vehicle is halted with the transmission in a forward drive range, an input clutch is disengaged to enhance the fuel efficiency and, at the same times a hill-hold brake is engaged to prevent the vehicle from rolling backward on a steep up-slope. At ...
06/15/1999
5819897Braking force control system for motor vehicle furnished with starting clutch
A braking force control system for a motor vehicle furnished with a starting clutch, controlling braking force in accordance with driving force (as shown in FIG. 1). When the driver has released a brake pedal from the ON state thereof, the braking force i...
10/13/1998
5558123Electrically controlled pressure-holding valve
A pressure-holding valve for a brake system having a body with a blind bore therein. The body has a first passage which connects the blind bore with a variable pressure inlet port and a pressure outlet port. The blind bore is closed by seals carried on a ...
09/24/1996
5325933Steering control of tracked vehicle
A steering control system for a tracked vehicle having a left track and a right track, e.g., a bulldozer, assures smooth turning performance in a normal steering operation, provides a comfortable ride, and is durable. Power is transmitted to the right and...
07/05/1994
5129496Automatic locking brake
Brake pressure is increased when the brake pedal is operated and the vehicle falls short of a very slow reference speed vx, which value is variable and increases as the vehicle deceleration increases. The pressure is maintained until the thrott...
07/14/1992
4974711Brake and clutch control
A clutch and brake control circuit includes first and second relays connected to an interlock circuit and to the brake and clutch coils on a vehicle. The relays are interconnected with the coils so that the clutch coil cannot be energized unless the brake...
12/04/1990
4967884Automatic clutch engagement system
An improved hydraulic clutch engagement system for use in a drag racing motor vehicle provides automatic engagement of the clutch for launching the car at the start of a race, without sacrificing manual control of the clutch necessary for power staging th...
11/06/1990
4951775Front wheel drive clutch control system
A clutch control system for the front wheel drive clutch of a four-wheel drive vehicle engages the front wheel drive clutch as a function of three brake-operated switches, a pair of manually-operated "OFF-ON-AUTO" mode switches and a pair of speed respons...
08/28/1990
4947966Vehicle gearbox with incorporated brake
This gear-box with incorporated brake (8, 9, 10, 11, 12) comprises an annular braking piston (9) which is guided axially in the outer collar of a ring gear support (2). Between the piston (9) and the ring gear support (2) is carried, in the direction of t...
08/14/1990
4921082Fluid control cylinder assembly for automobile brake system
A brake fluid control cylinder assembly for use in a brake system of an automobile comprises a cylindrical housing, two coaxially-spaced chambers therein and an internal flange wall therebetween, a coaxial opening in the flange wall, front and rear piston...
05/01/1990
4876907Motor vehicle gearbox
The invention relates to a motor vehicle gearbox with two concentrically mounted input shafts (6,9), each driving an individual countershaft (12,15). The countershafts have gear wheels (16,18,17,19,41) in engagement with gear wheels (21,22,40) on an outpu...
10/31/1989
4856375Mechanism for synchronized shifting of a transmission using couplers
A tractor transmission includes a pair of dual power clutches that connects an engine to an input shaft through a gearset that selectively makes a direct connection or overdrives the input shaft in accordance with the stat of the clutches. Two nonsynchron...
08/15/1989
4811811Brake system for four-wheel drive vehicles
A clutch control system for the front wheel drive clutch of a four-wheel drive vehicle engages the front wheel drive clutch when both service brakes are simultaneously released or simultaneously applied, but disengages the clutch when only the left or the...
03/14/1989
4802563Braking force holding device for an air brake system
A braking force holding device for an air brake system, maintains a braking force when a vehicle is stopped facing upwardly on a hill to facilitate the start of the vehicle on the hill. The braking force holding device includes a main body having an inlet...
02/07/1989
4721494Drive transmission structure for tractor
A drive transmission structure for a tractor comprising a belt drive system for transmitting power from an engine output shaft to a transmission having a brake mechanism. The belt drive system includes a belt type stepless change speed mechanism having a ...
01/26/1988
4694942Interlinking control device for brake and clutch in tractor-mounted working machines
An interlinking control device in a tractor-mounted working machine having an engine with a governor, a braking mechanism for braking wheels, and a clutch operatively coupled between the engine and the wheels. The braking mechanism and the clutch are oper...
09/22/1987
4687080Clutch brake method
A clutch-actuated brake pressure-applying device comprises a housing having a cylinder and piston therein, a piston rod connectable to the clutch pedal rod of a conventional clutch mechanism of a vehicle, float channels through the housing and piston for ...
08/18/1987
4681196Control circuit for brake booster vehicular hill holder system
A brake booster (10, 210, 310) connected to a control circuit (120) provides a system for the continued braking of a vehicle when the vehicle is situated on an incline and the brake pedal (92) is released by the operator. Continued brake application is ac...
07/21/1987
4667785Parking brake arrangement for vehicles
A parking brake device adapted to be attached to a vehicle including a clutch lever on a handlebar such as a three- or four-wheeled buggy, wherein a parking brake is arranged coaxially with respect to the clutch lever; a lock arm is provided, which is for...
05/26/1987
4666021Release mechanism for a hill holder device
The improved release mechanism comprises a load sensor (50, 51, 150, 250, 350, 450) connected with a wheel brake (10, 110) to sense a change in wheel braking torque and communicate responsively with a mechanical brake control device (200) or a braking ass...
05/19/1987
4660691Vehicular hill holder system having a control circuit responsive to vehicular attitude, clutch position, and gear position
A brake booster (10, 210) connected to a control circuit (120) provides a system for the continued braking of a vehicle when the vehicle is situated on an incline and the brake pedal (92) is released by the operator. Continued brake application is accompl...
04/28/1987
4658942Liquid pressure operated braking system
A liquid pressure operated braking system comprises a valve assembly with a first valve operatively coupled to a clutch pedal for confining the liquid pressure applied to the associated group of wheel cylinders when the clutch pedal is depressed and a sec...
04/21/1987
4653619Clutch released brake holder for motor vehicle
A stop-state retaining arrangement for use in a motor vehicle, which includes a brake pedal for applying a braking force to wheels when depressed by a treading force, a clutch pedal for disengaging a clutch when depressed by a treading force, a cable conn...
03/31/1987
4641733Disabling device for a brake control device
A brake control device (20, 220) is disposed between a brake pedal (12, 212) and a clutch pedal (10, 200) to retain the brake pedal (12, 212) in an applied position when the clutch pedal (10, 200) is depressed and the vehicle disposed on an incline, so th...
02/10/1987
4633960Crawler track hydraulic transmission control system
A hydraulic transmission control system is provided for enhancing braking of a crawler-type tractor by controlling the engagement and disengagement of the clutches associated with right-hand and left-hand crawler tracks in response to actuation of the bra...
01/06/1987
4611696Brake control device
A brake control device (20) is disposed between a brake pedal (12) and a clutch pedal (10) to retain the brake pedal (12) in an applied position when the clutch pedal (10) is depressed and the vehicle is facing downhill on an incline and in reverse gear, ...
09/16/1986
4610338Brake device for controlling brake operation on inclines
Disclosed is a brake device constructed to supply a pressure fluid from a pressure source to brake actuating devices of the wheels of a vehicle. The brake device includes a brake retainer valve which has a valve element arranged in a valve chamber and a v...
09/09/1986
4582184Brake control device
An improved brake control device includes a pair of covers releasably coupled together to enclose a housing opening. The pair of covers also cooperate to movably support a connecting member and retain a cam shaft in the housing. The brake control device c...
04/15/1986
4561328Creeping preventing apparatus in automatic transmission for vehicle
In an automatic transmission for a vehicle comprising at least a first friction engaging unit engaged for attaining a low forward speed and a second friction engaging unit engaged together with the first friction engaging unit for attaining a high forward...
12/31/1985
4553651Combination hill holder and proportioning valve mechanism
A control device for a vehicle brake system includes a proportioning valve assembly, an inertia sensing valve member and a hill holder valve member in a unitary housing. The inertia sensing valve member is operable in response to vehicle deceleration to c...
11/19/1985
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