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WO/1998/032989A1 |
In a spring applied mechanism such as a fail-safe disc brake having a disk (25) and pads (23 and 26), there is provided an automatic adjuster to maintain even travel and pressure to the brake pads (23) and (26) from spring pack (10) rega...
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WO/1998/029674A1 |
An electric actuator comprising an actuator body (12), a drive unit (16), a feed screw shaft (32) for transmission of a driving torque of a rotary drive source (14), a displacement member (40) fitted on the feed screw shaft (32) to surro...
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WO/1998/023527A1 |
The system of the invention is based on a mechanism comprised of a mechanical brake of the charge actuating as a brake in both rotation directions and automatically, thereby being independent of the magnitude and direction of the resulti...
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WO/1998/021496A2 |
The invention relates to electromagnetically operated or released friction brakes, with mechanical elements generating and transmitting the breaking force, with elastic rings, specially O rings as a means to absorb impacts or vibrations,...
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WO/1998/010951A1 |
A wheel drive with a radial-piston motor (5) and a planet gear (4) wherein a wheel hub is placed on a wheel hub support (1) by means of a wheel bearing (10). The wheel hub support can be joined to a transmission connector (41) in a singl...
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WO/1998/001681A1 |
The invention relates to an electromagnetically releasable friction safety brake with two brake discs (2, 11) which are arranged on a common central drive shaft to be axially displaceable but non-rotatable with respect to the shaft. Axia...
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WO/1997/042118A1 |
The invention concerns a braking system in which a spring (3) disposed in a housing (2) engages with spring force on a movable carrier plate (4) and holds the latter in a braking position, brake linings (5) disposed on the carrier plate ...
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WO/1997/029295A1 |
An object of the present invention is to realize a device of simple construction for generating at all times a steady and appropriate friction resistance even if the speed changes relative to the rotational or linear movement of an objec...
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WO/1997/008473A1 |
A speed governor for a rotational drive comprises a rotor (12) (arranged to be driven by said rotational drive) located within a housing having cylindrical inner side wall (16) and an end wall (18). Centrifugal brake shoes (20, 22) are p...
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WO/1997/002406A1 |
A vane motor comprises a housing and a vane rotor mounted inside the housing with a friction brake device mounted in the housing and used for braking, stopping and releasing the vane rotor. At least one (first) of the two faces of the va...
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WO/1996/041090A1 |
A control valve (80) of a hydraulic coupling (32) controls pumping from a casing inlet port (58) by a hydraulic pump (48) through a casing outlet port (78) to control coupling between two rotary members such as by operation of a clutch (...
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WO/1996/028288A1 |
Device for a rotary saw blade (1) for reducing the sound level during sawing and for reducing the risk of accidents due to an improved quick stop function. On both sides of a non-sawing portion of the saw blade (1) are arranged at least ...
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WO/1996/026327A1 |
The invention relates to a slewing mechanism for a grab or similar tool connected to the boom of an excavator or crane. It has a stator (1) connecting to the boom and a rotor (6) connecting to the grab and rotatably mounted to the stator...
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WO/1996/023979A1 |
A brake system for linearly movable bodies, comprising a brake member with a bore for receiving a rod in a clearance fit, wherein the brake member is tilted to generate a moment, whereby a brake is applied to a relatively moving rod. The...
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WO/1996/022895A1 |
A propulsion unit for an electrically operated vehicle, especially a wheelchair, with at least one rim (4) and one axle shaft (1), a ring channel (10) being located between the rim (4) and the axle shaft (1) and a motor (11) and a brake ...
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WO/1996/020355A1 |
A brake device for a hydraulic motor comprising a fixed side friction plate and a movable side friction plate mounted, respectively, on a housing of a hydraulic motor and a cylinder block, a piston for press contacting the fixed side fri...
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WO/1996/011336A1 |
A hydraulic motor including a motor housing (22) formed by coupling a motor case (20) and an end cover (21), a cylinder block (23) rotatably fitted into the motor housing (22) through a shaft (24), a plurality of cylinder holes (25) form...
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WO/1996/009241A1 |
A brake assembly by means of which rotational motion and also linear motion, i.e. faulty motion of lifting platforms, especially dropping, is braked. The assembly comprises a braking gear (20, 21) fitted onto axle (4), a coupling (25, 26...
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WO/1996/001380A1 |
The present invention relates to a normally closed brake, which includes a driving member, a driven member, a connecting mechanism by which the driving member brings the driven member into movement along a first direction, a fixed seat w...
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WO/1995/031641A1 |
The invention concerns a radial-piston hydraulic motor, which comprises one or several cylinder groups (1), which cylinder groups include piston mechanisms (2) that move radially back and forth. The piston mechanisms (2) comprise a pisto...
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WO/1995/023931A1 |
A hydraulic coupling (32) includes a control valve (80) that controls pumping from a casing inlet port (58) by a hydraulic pump (48) through a casing outlet port (78) to control operation of a clutch (68) for coupling between two rotary ...
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WO/1995/019813A1 |
A driven barrel of a winch device includes a closed cylindric space (16) which is concentric with the barrel and accomodates a piston (17), which can move on an axis (12) from one end of the cylindrical space to the other in non-rotatabl...
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WO/1995/019316A1 |
A pneumatically operated balancing hoist (1) having a housing (8) forming a gas chamber, a piston (14) in said housing (8) forming a gas chamber, cable drum (8) in said housing movable longitudinally of said housing (8) with said piston,...
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WO/1995/015876A1 |
An electric motor brake (10) has a printed circuit board (76) which circumferentially locates and retains a plurality of electromagnetic coils (68) within a coil housing (34). The circuit board (76) simplifies both the assembly and wirin...
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WO/1995/008049A1 |
A braking mechanism (50) for a rotary apparatus (10) having a housing (12) adapted to receive a pressurized fluid and a rotor (32) rotatably mounted in the housing. The braking mechanism (50) enables the rotor (32) to rotate in the housi...
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WO/1994/023220A1 |
A spring pressure brake (3) has a brake backplate (17) in engagement with an electromagnet (11). The brake backplate (17) is rigidly linked to a brake piston (18) which extends through the electromagnet (11). The front face of the brake ...
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WO/1994/018451A1 |
The invention concerns a radial-piston hydraulic motor equipment, which comprises a cam disc (12) of the radial-piston hydraulic motor (10), which cam disc is placed in a stationary position, the piston parts (15a1, 15a2...) and the rela...
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WO/1994/008837A1 |
A tracked vehicle (10) propelled by a pair of direct current electric motors (35) operating through a power train to a pair of endless tracks (11). Each power train operates a track drive sprocket (14) through a state of the art torque h...
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WO/1994/003960A1 |
A freely selectable combination of electric machines with various attachments, while observing the safety requirements, is obtained in that the high-load connection (5) for coupling the high-load attachment (1b) and the low-load connecti...
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WO/1993/016298A1 |
A speed governor (10) is enclosed within a generally cylindrical housing (70) which defines an interior cylindrical surface (73). A rotor (11) is rotatably supported within the housing (70) and is coupled to a power coupling belt (83) by...
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WO/1993/010368A1 |
An electromagnetically releasable spring pressure brake has a stationary coil-bearing housing (1) with a ring-shaped magnet coil (2) and a friction lining rotor (5) that cooperates with a non-revolving, but axially movable armature core ...
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WO/1993/007035A1 |
A hydraulic braking system (1) with a device (2) for anti-lock control and to generate a differential lock by the braking action is to comprise a structurally simplified control device (53) without reducing the function. The braking syst...
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WO/1993/005313A1 |
A disc brake assembly (1) has a pair of pivoted brake arms (4) carrying brake pads (3) located on respective opposite sides of a disc (2). The brake arms (4) are biased towards each other by springs to clamp the brake pads (3) against th...
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WO/1993/004281A1 |
The invention relates to an axial piston motor with an adjustable absorption volume for fitting in a wheel hub, with a motor casing open on one side and closed off by a connection block, a drive shaft fitted so as to rotate in the casing...
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WO/1993/001121A1 |
The safety for hoist drives, in particular those in goods or passenger lifts, is designed as an electromechanical inside shoe brake. Brake blocks (3) (preferably two) are mounted inside the driving wheel (1) or end plate of the electrica...
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WO/1992/017714A1 |
An electromechanical brake unit in a housing (1) is provided with a drive sleeve (8) subjected to a torque of a prestressed coil spring (6), a locking spring (16) between the drive sleeve and the housing for permitting rotation of the fo...
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WO/1992/016768A1 |
The invention concerns an electromagnetically operated spring-pressure brake or coupling (1) which operates on the closed-circuit current principle. In the no-current state of a coil (8), a closing force is exerted on a disc armature (15...
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WO/1992/005983A1 |
A device (10) allows forward (clockwise) rotation of a shaft (12) but prevents reverse rotation unless disengaged. A loop (20) is attached at one end to a slide shoe (16), passes round a drum (14) on the shaft (12), around a pin (24) and...
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WO/1991/019114A1 |
A power transfer assembly (10) with a one-piece retainer ring (46) includes a housing (12), a plurality of alternating rotatable and non-rotatable friction discs (24, 26), a power actuated piston (28), a spring washer (42), a cushion spr...
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WO/1991/009234A1 |
An armature (26) of a frictional disc type electromagnetic brake should be designed to be thick because it constitutes part of a magnetic circuit, with the result that press molding of it becomes difficult. Therefore, the armature (26) i...
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WO/1990/009921A1 |
Drive device with variable torque-limiting system. When a setting mechanism (17) forming part of a crank mechanism (23) is actuated in order to displace a carrier waggon (19) to which a hydrofoil component (2) is fastened, large forces a...
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WO/1988/008383A1 |
Brake discs (11, 12, 13) are arranged coaxially with the output shafts (9, 10) inside an axle housing (|). Outer discs (13) held on the axle housing (1) and inner discs (11) held by the output shafts (9, 10) are arranged on either side o...
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WO/1988/007126A1 |
A drive assembly brake (80) is mounted in the gearbox (22) connecting a motor driven input shaft (24) to an output shaft (26), the output shaft being connected by a tubing string (10) to a submersed rotary pump. The gearbox includes an o...
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WO/1988/007136A1 |
A drive assembly brake (80) is mounted in the gearbox (22) connecting a motor driven input shaft (24) to an output shaft (26), the output shaft being connected by a tubing string (10) to a submersed rotary pump. The gearbox includes an o...
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WO/1988/007133A1 |
A variable-capacity hydraulic motor capable of being mounted simply on a power shovel without interfering with or projecting outward from a truck frame, and capable of being manufactured easily. The variable-capacity hydraulic motor (M')...
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WO/1988/005025A1 |
In order to overcome the disadvantage of overspinning of a winch drum (16) when a disconnect device (70) adjacent the drum is disengaged, a drag brake apparatus (132) is provided for limitedly restricting the rotation of the drum when an...
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WO/1988/004186A1 |
In a slow-descending device including a reel on which a lifeline is wound and is rewound, a planetary gear acceleration device which is built in the reel and a centrifugal brake mechanism linked with said acceleration device, the lifelin...
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WO/1988/003615A1 |
In a brake device of the type wherein a rotary member such as a brake disk (1), a brake drum, or the like, is clamped from both sides by a pair of main and follower brake linings (2), (3) to apply brake, the present invention provides an...
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WO/1987/003658A1 |
An overtravel stop (10) for a rotating shaft (12) has a pair of gears (20, 28, 30) associated with the shaft (12) to rotate therewith. Each gear (20, 28, 30) engages an associated limiting gear (68, 66) and the two engaged gear pairs hav...
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WO/1987/003659A1 |
A bi-directional stop (10) for a rotatable actuator shaft (12) which includes first and second brake plates (20, 22) secured for rotation with the shaft (12) in opposite directions by a pair of oppositely disposed one-way clutches (24, 2...
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