Abstract: According to an aspect, there is provided an elevator car parking brake comprising a brake carrier having a first plate and a second plate, the plates being spaced from each other and positioned to enable a guide rail to travel within the space between the plates, a caliper movably connected to the brake carrier, brake pads, and an actuator configured to move the brake pads against a guide rail in a braking operation. The elevator car parking brake further comprises at least one first compression spring arranged between the first plate of the brake carrier and a brake pad directly associated with the actuator; and at least one second compression spring arranged between the second plate of the brake carrier and the caliper, the first and second compression springs being configured to keep the brake pads substantially centered with respect to the brake carrier.

Abstract: Provided herein are apparatuses that include a testing device and a controller. The testing device may include a chamber, a sample holder, a temperature sensor, and a heater band or a heater. The controller may be in communication with at least one of the temperature sensor and the heater band or the heater. The apparatuses may include one or more testing devices, and the testing devices may be arranged in a bin. Methods of performing a test with the apparatuses are also provided.

Abstract: A coupling arrangement for the powertrain of a vehicle with a clutch housing with a feed arrangement for feed medium contained in the clutch housing and with a clutch mechanism, wherein the clutch mechanism has input-side clutch units communicating with an input-side clutch unit carrier, output-side clutch units communicating with an output-side clutch unit carrier, and a pressing device through which an operative connection between the input-side clutch units and the output-side clutch units can be produced or cancelled, and wherein the input-side clutch unit carrier is part of the feed arrangement. The feed arrangement further has a feed device which is associated with the input-side clutch unit carrier and which is connected to the input-side clutch unit carrier and/or to the pressing device so as to be fixed with respect to relative rotation.

Abstract: A hand-held work implement having a tool has a braking device for the tool that includes a brake band which wraps around a brake drum. The brake band and the brake drum undergo friction as they move relative to one another during braking. At least one of the band or drum comprises an austenitic steel, a duplex steel, super duplex steel, a nickel-base alloy or a cobalt-base alloy and has a base body and a marginal layer. The hardness of the marginal layer is approximately 150% to approximately 600% of the hardness of the base body and the carbide proportion in the marginal layer is less than approximately 0.5% by weight. A process for production of the foregoing includes diffusing carbon and/or nitrogen into a marginal layer at a temperature of less than 500° C.

Abstract: In a brake- and/or clamping arrangement for a shaft supported in a device housing and comprising a braking disc mounted on the shaft rigidly for rotation therewith and a clamping ring supported in the device housing, the braking disc has a friction area comprising two truncated cone-shaped friction surfaces with at least one brake cone arranged in the device housing and one arranged on an activating member. One brake cone abuts during braking or clamping the brake disc whereas the other brake cone abuts a clamping ring, which is disposed between contact areas of the brake cones, the clamping ring in contact with the brake disc and a brake cone being mounted to the apparatus housing.

Abstract: A disk brake device includes a pair of brake disks and right and left pairs of pads. Each pad includes a twisting compliant section that extends along a line inclined by an angle relative to a radial direction of the corresponding brake disk. The twisting compliant section facilitates the twisting of the pad about the compliant section. The twisting compliant sections of the right inner pad and the left inner pad are inclined in opposite directions relative to the twisting compliant sections of the right outer pad and the right inner pad. The twisting compliant sections of the right inner pad and the left inner pad are inclined in substantially the same direction with one another.

Abstract: A brake lining for the disk brake of a vehicle, especially a rail vehicle, comprising a carrier plate on which several friction elements are secured, whereby said elements can be pressed against the friction surface of a brake disk when the brake is actuated, such that the carrier plate can be partially elastically deformed in the overlapping area of the friction elements or such that a spring element is allocated to each friction element and is supported on the rear of the friction element and on the carrier plate on the side thereof facing the friction element.

Abstract: A double-wrap band brake apparatus which has a double-wrap brake band comprising an annular intermediate band with a frictional surface formed on the inner periphery thereof, a pair of annular outer bands secured to the free end of the intermediate band in a state that the respective free ends of the outer bands oppose to each other and have frictional surfaces respectively formed on the inner peripheries thereof, an anchor bracket secured to the operating ends of the outer bands to be latched on the side of a main body casing, and an apply bracket secured to the operating end of the intermediate band for receiving a force in a direction in which the intermediate band and the outer bands are constricted from an actuator. The brake apparatus is used to brake a rotating member fitted in the double-wrap brake band. A center deviation correcting member for correcting a center deviation between the intermediate band and the outer bands is formed on at least one of the anchor bracket and the apply bracket.

Abstract: A disk brake device includes a pair of brake disks and right and left pairs of pads. Each pad includes a twisting compliant section that extends along a line inclined by an angle relative to a radial direction of the corresponding brake disk. The twisting compliant section facilitates the twisting of the pad about the compliant section. The twisting compliant sections of the right inner pad and the left inner pad are inclined in opposite directions relative to the twisting compliant sections of the right outer pad and the right inner pad. The twisting compliant sections of the right inner pad and the left inner pad are inclined in substantially the same direction with one another.

Abstract: A brake body, for a brake pad or a disk brake lining, comprising: a support body having at least one recess; at least one friction material element arranged in the at least one recess with the at least one friction material element being movably inserted in a longitudinal direction in the at least one recess and, together with the support body, forming a friction surface; and a share-elastic intermediate layer inserted in a space along the at least one recess between the at least one friction material element and the support body.

Abstract: The curved brake pad is a flexible brake pad, curved in design, which does not come in constant contact with its rotating disk when not in use. The gap between the curved pad and the disk reduces the amount of friction and heat generated by the constant rotation. This reduced friction and reduced heat improves fuel efficiency and improves the braking performance of the system.

Abstract: A friction lining for use in the clutch plate of a friction clutch or a multiple wrap brake band for use in an automatic transmission is obtained by adhesively securing one side of a friction generating second layer to one side of a metallic first layer. The necessary incisions in the form of cuts, slots or slits are made from the exposed side of the second layer in a direction toward the exposed side of the first layer by resorting to one or more high-energy streams, such as laser beams, electron beams or liquid jets. Each incision can be made in one or more stages by a single stream or by a series of successively applied streams.

Abstract: A braking unit is provided. In one embodiment, the braking unit comprises a base member, a guide member, a flexible rod, an actuator adapted to induce deformation of the rod, and a brake pad. One end of the flexible rod is fixedly attached to the base member while another end is slideably disposed within a passageway defined by the guide member. The brake pad is positioned adjacent the flexible rod such that deformation of the rod causes lateral movement of the brake pad. The braking unit can be incorporated into disc and drum-type braking assemblies and systems.

Abstract: The present invention relates to the field of land motor vehicle transmissions. The present invention serves the purpose of increasing the surface area of the brake band and preventing the band anchor from breaking in the land motor vehicle transmission. The present invention has an outer core layer and an inner core layer that are connected with each other using flexible connecters, that are capable of responding and withstanding high pressure and torque. The present invention also has attachment section that is used when the present invention is being attached to a transmission of a land motor vehicle. Each layer also has a multitude of slots that are arranged along surfaces of each layer. The present invention is fabricated from a soft metal to ensure flexibility.

Abstract: A brake apparatus engages and locks a piston of a hydraulic elevator drive carrying an elevator car or a cable pulley. The brake apparatus includes a pair of opposed pivotally mounted brake arms each having a curved support carrying a brake lining for engaging the exterior surface of the piston. Each brake lining is formed by bending a planar body at a plurality of the vertical grooves formed in a contact surface to define planar sections. The lining is attached to the support with the sections spaced from the curved support surface. As the brake linings are brought into engagement with the piston surface, the compression forces are evenly distributed by the planar sections functioning as springs.

Abstract: The invention relates to a braking body for a rail car, especially a brake block or disk brake pad, comprising a supporting body with recesses and friction material elements arranged in the recesses. The friction material elements form a friction surface with the supporting body and are mounted with elastic or tilting elements such that the frictional material elements can move in the longitudinal direction of the recesses and adapt themselves to the running surface of a rail wheel.

Abstract: Articulated pad for disc brakes comprising two or more brake shoes securely attached together by means of a hinge joint which permits relative movement of the two brake shoes in the direction of the axis of the hinge, located perpendicular to the contact surfaces between the brake shoes and a brake disc.

Abstract: A brake band shifting mechanism for an automatic transmission. The brake band shifting mechanism includes a brake band encircling a brake drum of the transmission. A first end of the brake band is mounted to a secured portion of the transmission by a first linkage and a second end of the brake band is mounted to a two-stage servo by a second linkage. The servo provides selective apply and release pressure to the second linkage to control the compression or expansion of the brake band. In operation, the brake band is quickly compressed to the brake drum during the first stage of the servo, and then fine adjustments are made to control the speed of the brake drum during the second stage of the servo, where inputs from position and speed sensors in the transmission are used to control the adjustment of the brake band.

Abstract: Disclosed is a brake device for at least one axle of a wheel of a vehicle such as a bicycle for braking a brake drum which is connected to the wheel, having a brake carrier, a shoe element, a brake lever with a cam which is arranged between two shoe ends of the shoe element and is preloaded in that area. The shoe element is connected to the brake carrier by a holder and the cam is connected to the brake lever without a bearing, by means of which it can be pivoted. The brake device according to the present invention has the advantage that it can be produced mechanically in large numbers in a simple manner, its characteristics can be influenced by design measures, and it has a high level of efficiency, so that reduced actuating forces result and possibly simplified actuating elements may be used.

Abstract: A brake band comprises a strap and a lining bonded on an inner peripheral surface of the strap. The lining is provided in a surface thereof with at least one oil groove formed under compression to a predetermined depth.

Abstract: In a friction belt brake with a rotary cylinder (1), which is wound around at least a part of its circumference by a friction belt (2), and with a support (3) for the friction belt, which in a first braking position, can be pivoted around a first axis (9; 25) and two securing points (10, 11) for respectively opposite end sections of the friction belt, wherein a first of the two securing points has a longer lever arm (a) in relation to the first axis than the second securing point (11), the provision is made that in a second braking position, the support (3) can be pivoted around a second axis with regard to which the second securing point has a longer lever arm than the first.

Abstract: A disk brake assembly has a housing mounted to a vehicle and a rotor disk mounted to a wheel of the vehicle. Upon expansion of an annular flexible bladder during a brake action, a first brake shoe moves towards the rotor disk and causes the rotor disk to move towards the second brake shoe resulting frictional engagement between the respective brake shoes and the rotor disk. The first brake shoe is deformable under uneven and variable forces resulting from imperfect machining and uneven wearing of the rotor disk. An annular brake pad is attached to first brake shoe using a layer of resilient and deformable material to improve the resilience of the first brake shoe.

Abstract: A double wrap brake band apparatus is used as a brake of an automatic transmission, in which an inner race can be held for a very short time by operating only a band corresponding to about one winding. A second anchor or second applier is provided in the vicinity of a connection between an intermediate band and outer bands. The anchor comprises an anchor bracket secured to either band and an anchor pin for supporting the anchor bracket, and the applier comprises an apply bracket secured to either band and a piston for urging the apply bracket. When a second apply bracket is provided, pistons for urging first and second apply brackets are operated independently. The pistons are assembled as a dual construction to save space. When a single piston is provided, respective urging rods or respective apply brackets are connected to the piston via springs.

Abstract: Provided is a brake band apparatus which is simple in mechanism and improved in the life of a frictional material, and particularly a double-wrap brake band apparatus provided with outer bands having a frictional material secured to the inner peripheral surface thereof, an intermediate band interposed between the outer bands and having a frictional material secured to the inner peripheral surfaces thereof, a coupling portion for coupling one end portion of each of the outer bands and one end portion of the intermediate band in the circumferential direction thereof, an apply bracket integral with or discretely from the coupling portion, a first anchor bracket on the free ends of the outer bands in the circumferential direction thereof, a second anchor bracket on the free end of the intermediate band in the circumferential direction thereof, and an actuator for giving a load in two directions to the apply bracket.

Abstract: In the brake drum, a plurality of grooves are formed on the slid surface thereof in such a manner that the grooves respectively extend in parallel to the sliding direction of the brake drum.

Abstract: An incremental braking method and system in which a braked member which is in motion, e.g., a brake drum, is engaged by a series of flexible stops on a braking member, e.g., a brake shoe, to brake the braked member. A rigid stop on the braked member sweeps past the flexible stops on the braking member to cause vibrations. The vibrations are damped as the flexible stops engage the braked member, thereby inhibiting the motion of the braked member. The flexible stops are of unequal lengths and are provided on springs which allow them to retract into the braking member. In this way, the stops incrementally engage the braked member for smoother and more efficient braking.

Abstract: A transmission band assembly (10) having a circular band (12) and a friction material liner (26). The liner (26) varies in density at predetermined locations along its length to modify the torque curve of the transmission to provide smooth shifting.

Abstract: A transmission band assembly including a circular strap member having exterior and interior surfaces extending between opposed first and second ends. At least one of the ends defining a bracket having a ridge including an upper gusset in mating engagement with a lower gusset. A friction material liner is positioned adjacent the interior surface of the strap member. The upper and lower gussets provide reinforcement of the ridge.

Abstract: A brake band for being pulled tight against a drum as a braked member is disclosed. The brake band is composed of a lining and a strap arranged on an outer side of the lining. The strap has an extension extending out from one side edge thereof in the direction of an axis of the drum beyond a corresponding side edge of the lining to form an oil-holding portion between the extension and the drum. The lining defines oil grooves which are open into the oil-holding portion.

Abstract: A transmission control for a multi-speed planetary gear arrangement is responsive to thrust forces generated by the band at the band drum support controlled by an on-coming friction device during a ratio interchange to generate a control signal. The control signal is used to begin the disengagement process of the off-going friction device.

Abstract: The invention is a device which holds a brake band and provides a simple levered actuating force. One end of the band of a brake is mounted to a U-shaped bracket. Slots are provided for the U-shaped bracket so that a lever, which connects to the opposite end of the brake band, can pivot on the bottoms of the slots and pull the brake band tightly around the brake drum and so providing a powerful brake.

Abstract: The invention provides a double wrap brake band consisting of three band segments which are held together by tie members designed to break-away under shear forces applied by the apply pin and reaction or anchor member during operation of the transmission assembly. The break-away tie members hold the three band segments together to form a structurally sound cylindrical band during assembly of the transmission. The tie segments are then sheared the first time the band is actuated by the apply and reaction pins.

Abstract: A friction pad for use in a friction element used in a friction engagement device such as a brake or clutch, The friction element includes a carrier and a plurality of friction pads circumferentially spaced about the carrier, The pads may have a modular construction whereby pad portions are releasably secured to support portions. The pads may also be releasably secured to the carrier. Various friction pad constructions are contemplated including constructions in which the secondary support portion includes a membrane and the primary support portion includes a cylindrical member extending between the membrane and the friction pads. A continuous friction pad ring may be substituted for the discrete friction pads, The carrier may be provided with locator pins in the pad receiving bores to orient the pads properly. The carrier may have cuts and grooves formed therein to provide a flexible or even beam mounted support for the friction pads.

Abstract: An improved double-wrap brake band having a bracket member (16) consisting of an apply bracket (20), a reaction bracket (22), and a connector bracket (24) secured to three generally parallel bands (12A, 12B, 12C). The bands (12A, 12B, 12C) include a plurality of position oriented non-circular slots (36) designed to accept corresponding non-circular extruded tabs (44) extending from the bracket member (16). Each of the tabs has a longitudinal curvature that is substantially radially parallel to the annular inner peripheral surface (42) of the bracket member (44) and the annular inner peripheral surface (15) of the strap member (10). The tabs (44), after clinching, serve to retain the bracket member (16) securely on the bands (12A, 12B, 12C).

Abstract: A brake system comprising a brake drum having an outer peripheral surface, and a brake band including a flexible band-shaped metal member having fixed and actuation brackets mounted near the opposite ends thereof. The band-shaped metal member is wound around the outer peripheral surface of the brake drum with the fixed bracket being fixed to an anchorage pin. The brake band also includes a lining member fixed on the band-shaped metal member. An actuator is coupled to the actuation bracket for acting a force on the band-shaped metal member to bring the lining member into surface contact with the outer peripheral surface of the brake drum at a speed. Oil grooves are formed in the lining member for discharging oil from a space between the lining member and the brake drum to control the speed at which the lining member comes into surface contact with the brake drum. The oil grooves have an oil discharging capacity increasing as going from the fixed bracket toward the actuation bracket.

Abstract: A brake shoe having an elongate generally clam-shell shaped metallic support or backbone member, the leading edge of which is provided with a deflectable tongue portion bent at an angle and flexible relative to the main body portion, with first and second brake pads molded thereabout to provide a unitary assembly, with a fastening member secured generally perpendicular to the main body portion. The first and second brake pads are formed of dissimilar material and separated by a recess or V-shaped notch to permit flexing at the recess. The leading brake pad is formed of a long wearing low friction material, while the trailing or rear brake pad is formed of high friction compound. The backbone member is formed by stamping, with the two brake pads molded over the stamping.

Abstract: The present invention provides for a one-piece band member (10) for use w transmissions. The band member (10) is integrally constructed having the end portions (16) of a strap member (12) being formed an apply member (18) and a reaction member (20) and then folded (22) back over the outer circumference of the strap member (12) to provide a unitary unit. A friction lining (14) is secured around the inner circumference of the strap member (12).

Abstract: A clutch drum in an automatic transmission houses therein a clutch mechanism through which the clutch drum is driven. The clutch drum is rotatably mounted on a fixed shaft forming part of a transmission housing and comprised of a drum main body having a cylindrical drum section which is spaced from and coaxial with the fixed shaft. The drum main body is formed of aluminum alloy. A cylindrical friction material is fixed on the outer peripheral surface of the cylindrical drum section and frictionally contactable with a brake band wrapped around the drum main body. The brake is applied to the clutch drum upon tightening the brake band.

Abstract: An improved transmission brake band (10) and a method of forming the same s an improved reaction bracket (20) formed as an upraised dome (36) surrounding a reaction opening (32). An insert member (42), having a volcano-type body (44) integrally formed with a peripheral flange (46) is engaged with the dome (36) and opening (32) so that the body (44) is positioned in the opening (32) and the flange (46) is received by the dome (36).

Abstract: A brake band for use in a transmission for a vehicle for example, has a greater oil discharge (removing) area in the portion of a lining which is near the apply side end of the brake band than in the portion of the lining which is on the anchor side of the brake band, thereby enhancing the oil discharge characteristic and reducing the shock during speed change.

Abstract: A brake band for the bobbins used on a rigid frame wire strander. The brake band is a substantially non-porous polyester strip or band, preferably made of polyethylene terephthalate (PET). The band is provided with a longitudinal crease for keeping the band centered on the hub of the bobbin with which it is associated.

Abstract: A caliper type brake for braking a brake disc including a caliper having a recess in the caliper on one side of the disc, a piston mounted in the caliper on the other side of the disc and including a recess, each recess having one or more ribs forming two or more cavities in each recess and a brake pad mounted in each recess, each brake pad being formed with a number of frangible portions, which break on engagement with the ribs to separate the brake pads into separate sections corresponding to the number of cavities in the recesses.

Abstract: A casing brake is disclosed for use in combination with a generally tubular stuffing horn over which casing is released for filling with material discharged from the horn. The brake is of the type which includes a rigid housing which retains a deformable insert that fits over the horn and cooperates with the horn to engage the casing against the horn. Thus casing brake includes a first annular insert that has a throughbore with a circumferential groove on the inside of the throughbore with a second annular inner member which is comprised of a helical coil positioned within the groove, the inner member preferably being comprised of polytetrafluoroethylene with the outer member being elastically deformable with respect to the inner member to thereby alter the effective diameter of the groove causing an increase or decrease the diameter of the coil which, in turn, more loosely or more tightly grips the outside surface of the casing as it passes over the horn.

Abstract: A double wrap brake band having three bands, friction facings fastened to each band and a connecting member connecting the outside bands of the three bands with the intermediate band of such bands. A first bracket member secured to both outside bands, and a second bracket member secured to the intermediate band. The three bands, the connecting member, and the first and second bracket members are made of sheet metal, respectively. Edges, receiving a piston, or an anchor, at their backsides, are integrally formed on the first and second bracket members, respectively. The connecting member and the first and second bracket members are secured to the three bands by rivets.

Abstract: A casing receiving therein a power transmitting mechanism has opposed upper and lower side portions. A control valve for controlling a gear shift of a transmission is installed in the lower side portion of the casing. A band brake includes a brake band, a servomotor operatively connected to the control valve and one end of the brake band for selectively putting the brake band into a brake engaged state and a brake disengaged state and an anchor pin operatively connected to the other end of the brake band for receiving a reaction force therefrom. The servomotor and the anchor pin are installed in the upper side portion of the casing.

Abstract: A device which brakes a drive motor having a rotor adapted to be axially displaced when the motor winding is de-energized. A braking member moves with the rotor so that when the motor winding is deenergized, the circumferential surface of the braking member engages the stationary member to frictionally stop the rotation of the rotor. When the braking member engages the stationary member, the exterior circumferential surface thereof pivots to position substantially the entire surface of the exterior circumferential surface in contact with the stationary member. Energization of the motor moves the braking member with the rotor away from the stationary member and the exterior surface of the braking member pivots to disengage from the stationary member enabling the rotor to rotate.

Abstract: A fishing reel has a line spool and related mechanism contained in a housing connected with a T-shaped foot for attaching the reel to a rod in a suspended position. A hand crank is drivingly connected with the spool through a driving mechanism including a clutch mechanism having a coupling member movable between a drive position at which the hand crank is drivingly connected with the spool and a free running position at which the driving connection between the hand crank and the spool is broken, thereby allowing the spool to rotate independently of the hand crank. A hand lever extending from the reel housing near the T-shaped foot is operable by a finger of the hand grasping the rod and operates when moved from its normal position to first move the coupling member to break the driving connection between the hand crank and the spool and to thereafter apply a friction brake to one flange of the spool to allow the angle to sensitively control the outward movement of the line and thereby the length of the cast.

Abstract: An improved reverse double wrap brake band for the automatic transmission of an automotive vehicle wherein the band is lightweight and heat set round at the released position and utilizes a thinner strap material at higher hardness ranges. The configuration of the double wrap band has a wider central band segment adjacent the anchor portion of the bracket assembly, with the band width tapering over 60 to 70 percent of its length toward the apply end of the band; thus providing a double wrap band of increased durability for the friction lining and increased apply end, drum, and fatigue life.

Abstract: The present invention relates to a poromeric article of manufacture comprising a felt sheet of fibers impregnated with microporous elastomer having a work surface, side surfaces joining the work surface and a support surface joining the side surfaces, wherein a majority of the fibers are oriented primarily transverse to the work surface such that the majority of fiber ends adjacent to the work surface form an angle of between about 45.degree. and about 135.degree. with respect to the work surface, and preferably, wherein the fibers have a uni-directional orientation substantially perpendicular to the work surface. The present invention also includes a plurality of such articles bonded together and oriented such that the work surfaces of adjacent articles are substantially coplanar to form a laminated article of manufacture. Further, processes for making the basic and laminated articles are set forth as other aspects of the invention.

Abstract: An improved double wrap brake band for an automatic transmission and the method of making the band wherein the band is lightweight and heat set round at the released open position with the utilization of thinner strap material at higher hardness ranges. The band is formed from a preslotted and preformed strap and a stamped one-piece bracket member secured to the strap. The band subassembly is heat treated and heat set, the interior surface is acid etched and a preslotted friction lining applied to the interior treated surface, the subassembly is sized, and the connecting ties for both the strap and bracket member are removed to provide the final band assembly.