Abstract: To provide an air cleaner fitting structure for a motorcycle that can form an ideal frame line without being limited by the position of the internal combustion engine and the fuel supply system, which can bring about favorable maintenance conditions. In an air cleaner fitting structure for a motorcycle having a vehicle frame in which a pair of right and left center frames extending downward, connected to a mainframe extending rearwards from a head pipe, and having an internal combustion engine arranged in front of the center frame below the main frame, a connecting tube for connecting an air cleaner arranged further rearward from the center frame and a fuel supply system at a front thereof is divided into front and rear halves. Furthermore, a division line between the front and rear halves of the connecting tube is located rearward from the center frame of the vehicle frame.

Abstract: A structural layout of a motorcycle concerning a fuel tank, a fuel cock, a carburetor, and an engine in relation to a frame is provided. A downward projecting portion is provided on a bottom of the fuel tank towards the rear. The projecting portion extends in a space defined behind a cylinder head and a cylinder head cover of the engine and in front of a rear cross member of the frame. The downward projection is juxtaposed with a carburetor across a motorcycle body. The fuel cock is manually accessible from beneath the one of right or left main frames of the frame.

Abstract: A two-wheel and four-wheel driving change-over device for a vehicle wherein the existing construction as little as possible. A change-over unit intermittently performs power transmission for the power transmission mechanism. The change-over unit includes a driving shaft connected to a driving side, a driven shaft fitted to the driving shaft with an annular clearance therebetween. A plurality of engaging or disengaging members installed in a clearance between the driving shaft and driven shaft are engaged with or disengaged from the opposing surfaces for performing a connecting operation and a disconnecting operation between the driving shaft and driven shaft. A change-over mechanism is provided for selectively positioning the engaging or disengaging members between a position where said driving shaft and driven shaft are connected and a position where said driving shaft and driven shaft are disconnected.

Abstract: A restraining device for protecting the driver of a vehicle. The restraining system has at least one safety rollover bar laterally mounted next to the seat of the driver. The safety rollover bar can be swiveled from an vertical release position into a horizontal restraining position by a shaft extending transversely in relation to the longitudinal expanse of the vehicle. The shaft is driven by an electric motor via a transmission.

Abstract: A rear wheel steering device steers rear wheels of a vehicle by using two electric motors. When the two electric motors are in normal condition, both electric motors are driven to steer the rear wheels. When one electric motor is in an abnormal state while the other electric motor is in a normal state and when a vehicle speed exceeds a given speed, the steering device controls steering of the rear wheels by using only the other electric motor being in normal condition. Since the employed electric motors are small-sized and inexpensive, the rear wheel steering device can be downsized and provided at a relatively low cost.

Abstract: A clamped receiver array using tubing conveyed packer elements is disclosed and described. The receiver array can be used for borehole seismology as well as marine bottom surface seismology. The receiver array has a plurality of receivers connected together by a signal cable. The apparatus is further provided with a fluid conduit running essentially parallel to the signal cable. The fluid conduit has a plurality of receiver deployment sections which are located proximate to respective receivers. The receiver deployment sections are responsive to an increase in pressure within the fluid conduit, causing the receiver deployment sections to operate to press the receiver against the inside of a wellbore or to a marine bottom surface. In one example the receiver deployment section uses pistons disposed in openings in the fluid conduit to push the receivers away from the conduit as pressure in the conduit is increased.

Abstract: A electronic stethoscope head is combined with a standard stethoscope air tube headset assembly to provide a personally portable ECG stethoscope system for auscultating a living body. The electronic stethoscope head comprises a stethoscope body having a chest-bell, an air tube connector (or connectors), and a display module mounted to it. The chest-bell has a rim for contacting the body, and a base adapted to attach to the stethoscope body. An electrode assembly having at least two electrodes is disposed on the rim of the chest-bell to contact the body during auscultation and receive electrical signals from the body. The electrical signals are conducted to the display module. The display module is mounted on the stethoscope body, and receives and processes the electrical signals and display a representation of the electrical signals on a view screen, like an LCD display screen.

Abstract: An acoustic chamber formed in door of a vehicle includes a metal door inner panel having an aperture extending therethrough, and a door module secured in the aperture of the door inner panel. The door module includes an indentation and may be made of a polymer or a fibrous material. An interior door trim panel overlies the door module and a loudspeaker is secured between the interior door trim panel and the door module. The interior door trim panel may include a bulge opposing the indentation in the door module. A sealing element is secured between the door module and the interior door trim panel for defining an acoustic chamber between the door module and the interior door trim panel. The acoustic chamber enhances the performance of the loudspeaker, thereby allowing a smaller loudspeaker to be used.

Abstract: A surface wave apparatus is disclosed having reduced sound attenuation across a surface along a known path having a path distance when compared to sound attenuation along a same path distance through air. The surface wave apparatus includes a plurality of cells defining a first surface. Sound presented at the first surface forms a surface wave over the surface and proximate thereto. Each cell includes four bounding walls and a bottom. Two of the bounding walls act to guide the sound within the known path and two are disposed across the known path to form a structure supporting formation of surface waves.

Abstract: A portable device for connecting to scaffolding and which provides rotary motion to a drive wheel, to move scaffolding in select directions. The device includes a power wheel, rotary driven through a perpendicular or right-angled gear reduction, receiving its rotary force from a drive shaft, and the drive shaft couples with a portable drill, or other tool, that furnishes the rotational force necessary for driving the drive shaft, and its associated drive wheel. The bracket mechanism supporting the portable appliance supports the appliance during its delivery of rotary force to the drive shaft, and its wheel, and likewise, pivotally mounts to an outer support sleeve or tube that furnishes steering, to the drive mechanism, and consequently to the scaffolding, during its power movement.

Abstract: A ladder unit for climbing up and down a construction machine, capable of stabilizing a ladder in a position of descent thereof and that of storage thereof, facilitating an operator's actions to climb up and down the construction machine, and preventing the ladder from projecting toward circumferential parts and being thereby broken. Mechanisms for locking the ladder in the position of descent thereof are provided. The ladder locking force of these locking mechanisms is rendered releasable from the ladder in a position on the construction machine. Mechanisms for locking the ladder in its storage position are also provided.

Abstract: An apparatus for descent, suspension and retrieval of a worker through an opening in the ground includes a trailer having a boom assembly mounted thereon is described. The boom assembly includes telescopically extensible and retractable boom members that are extended downwardly by action of gravity through opening to a subsurface location. The worker is supported in a stabilized manner during descent, suspension, and retraction of the boom members.

Abstract: A lubrication system includes a fluid reservoir, a housing having an interior with an inlet and an outlet fluidly coupled to the reservoir, a fluid pump configured to pump fluid from the reservoir to the interior of the housing through the inlet and a fluid conduit between the fluid pump and the inlet of the axle housing. The conduit has an inflow portion, an outflow portion, a throat and an aspiration passage. The inflow portion has a first cross sectional area. The outflow portion has a second cross sectional area. The throat extends between the inflow and outflow portions, has an exit proximate the outflow portion and has a third cross sectional area less than the first and second cross sectional areas. The aspiration passage extends from a location proximate the exit of the throat to a source of air. Fluid pumped through the first and second internal portions of the fluid conduit by the fluid pump draws air into the outflow portion through the aspiration passage to aerate the fluid.

Abstract: A lubrication system for a vibratory apparatus such as a hydraulic striking device. The system includes a lubricant pump for pumping lubricant to one or more points of lubrication on the device and a drive for the pump powered in response to vibration of the device. The system includes a base for attachment to the device for vibration therewith, and a lubricant pump for pumping lubricant from a supply. The pump includes a cylinder and a plunger reciprocable in the cylinder through a stroke between a retracted position for intake of lubricant into the cylinder and a forward position for delivery of the intake from the cylinder. A weight is mounted on the base for oscillation in response to the vibration of the device, oscillation of the weight effecting reciprocation of the plunger through a stroke.

Abstract: A hydraulic device for industrial vehicles. A first motor drives a first hydraulic pump and a second hydraulic pump. The first hydraulic pump supplies hydraulic fluid to a power steering device and a brake device. The second hydraulic pump supplies hydraulic fluid to a carriage device. If an increased amount of hydraulic fluid need be supplied to the carriage device, a second motor drives a third hydraulic pump. Thus, together with the second hydraulic pump, the third hydraulic pump supplies hydraulic fluid to the carriage device.

Abstract: A caliper drive for a bicycle ball bearing mechanical disc brake caliper includes a first cam fixed against axial movement relative to an advancement axis during caliper actuation and a second cam moveably axially of the advancement axis relative to the fixed cam during caliper actuation. A plurality of ramped grooves reside between the first cam and the second cam and each ramped groove receives a ball bearing. The ramped grooves are configured to cause axial movement of the second cam relative to the first cam upon relative rotation of the cams about the advancement axis. Each ramped groove has a side wall defining a radially stable path for the ball bearing substantially preventing relative radial movement between the fixed and drive cams.

Abstract: A controller for controlling an actuator in response to an input signal. The controller includes a first control block and a second control block. The first control block receives the input signal, detects an operating condition of the input signal, and responsively produces an operating condition signal. The operating condition signal has a first value if the operating condition of the input signal is in a small signal mode and a second value if the operating condition of the input signal is in a saturated mode. The second control block has a small signal portion and a saturation portion. The second control block is adapted to receive the input signal and the operating condition signal and responsively deliver to the actuator a control signal.

Abstract: A caliper for a disk brake consists of a housing having first and second brake pads mounted therein to receive a brake disk therebetween. At least one of the brake pads is advanced along an advancement axis towards the other brake pads by an actuator within the housing. During actuation the brake pads impart a compression force on a brake disk disposed therebetween which results in a tensile force in the housing parallel to the advancement axis. A reinforcing member operatively engages the housing to oppose the tensile force on the housing. A method of making a caliper housing as described above consists of forming the housing as a single piece of metal and preloading the housing with a compression force parallel to the advancement axis to oppose the tensile force. Preloading may be accomplished by forming a pair of bores in the housing radially space from the advancement axis with the bores having an internally threaded portion at one end.

Abstract: The dragless brake assembly which can be either hydraulic or electrical incorporates a ballscrew engaged to the inner brake assembly, and an outer brake assembly engaged to a sliding caliper housing, the ballscrew and caliper housing being mechanically engaged to move in directions opposite each other simultaneously between predefined limits for application or release of braking.

Abstract: The present specification describes an actuating lever (21) for a disc brake (1, 7), having a cam section (23) with a part cylindrical curved surface (25) and a part cylindrical channel (27) with an elongate cylindrical force transmitting member (29) located therein and being parallel to the longitudinal axis of the said part cylindrical surface (25), and having opposite end regions which are located in recesses (31, 33) formed in the lever (21) at opposite ends of the said channel (27) to thus retain the force transmitting member (29) in position on the lever (21).

Abstract: A caliper of a disc brake assembly includes a housing with a cavity configured to receive a disc brake of a disc brake assembly. The cavity includes opposing recesses configured to nest first and second friction pad and plate assemblies on opposite sides of the disc. A drive within the caliper housing advances the first friction pad assembly into contact with the disc along an advancement axis. A retaining structure for the first friction pad and plate assembly includes a pad retention clip attached to the housing within the cavity, the pad retention clip defining an elongate track extending along the advancement axis. A retention tab on a plate of the first friction pad and plate assembly is configured to snap fit with the pad retention clip and to move along the advancement axis within the elongate track as the first friction pad and plate assembly is advanced along the advancement axis by the caliper drive.

Abstract: An improved trailer coupling with integral brake actuator that employs sturdier telescoping inner and outer casings and adjustable rollers there between to compensate for wear and tear tolerances over time. The outer casing is a hollow tubular outer beam, and the inner case is formed as a section of hollow I-beam adapted for a telescoping fit inside the outer case. A plurality of rollers are secured to each side of the outer case and project inwardly to provide bearing support against the outwardly-projecting lateral ridges of the I-beam, and this results in a substantially frictionless telescoping extension. Each roller is selectably offset on an axle to allow adjustment of the degree of support against the lateral ridges of the I-beam, thereby allowing compensation for increased wear tolerances over time. The device also employs an improved damping system including a pair of damping cylinders between the telescoping inner and outer casings, plus a master brake cylinder mounted on damped spring-brackets.

Abstract: Apparatus for a lever (6) for controlling a parking brake including brake units and an electrically driven tightening means for applying or releasing a braking force on the said brake units. Characteristic of the invention is that a means is arranged to detect the position of the lever and produce control signals to a first electric motor (12) for generating a brake force corresponding to the position of the lever. The lever can be adjusted manually. Further there is a second electric motor (49) intended to automatically control the lever (6) depending on incoming control signals. In the fully applied position the lever (6) is locked against manual adjustment.

Abstract: The present invention concerns components for friction brakes, more particularly, vehicle braking components comprising a holding bracket characterized by plural carbon fiber layers.

Abstract: A one-way clutch is arranged so that a plurality of intermediate members, which are each retained in a cage, each wedge between inner and outer rings when the inner and outer rings relatively rotate in a locking direction and each rock opposite to the direction of the wedging when the inner and outer rings relatively rotate in an idling direction, are pressed in the direction of the wedging by spring members. In this one-way clutch, each spring member includes a pair of coil springs that are juxtaposed to align in an axial direction of the inner and outer rings, are retained at one ends thereof by the cage and resiliently contact at the other ends thereof with the intermediate member. The one ends of both the coil springs are connected together through a connecting portion. The coil springs and the connecting portion are formed of a single wire.

Abstract: An actuation device for a friction clutch arranged in a drivetrain of a motor vehicle between a drive unit and a transmission in a housing having a pressure medium force cylinder arrangement arranged in the housing, which preferably comprises a pressure medium force ring cylinder. The friction clutch can be actuated by means of this pressure medium force cylinder arrangement via a release bearing arrangement which is movable coaxial to the friction clutch. A measuring arrangement associated with the release bearing arrangement or a release bearing arrangement side of the pressure medium force cylinder arrangement or friction clutch detects an actual release with a plurality of measurement receivers arranged in the housing so as to be distributed about the clutch axis.

Abstract: The actuation device includes a pressure medium force cylinder arrangement by means of which the friction clutch can be actuated via a release member. A measuring member of a measuring arrangement detecting an actual release is in tractive force driving engagement with an associated mating member whose position represents the actual release along a measurement path, which engagement is essentially free from play.

Abstract: An actuation device for a friction clutch which is arranged in the drivetrain of a motor vehicle between a drive unit and a transmission arrangement includes a pressure medium force cylinder arrangement for actuating the friction clutch via a release member having a release bearing arrangement. A measuring arrangement detects an actual release state, i.e., an instantaneous position of the release member. A control/regulating valve arrangement is connected with a pressure medium source, a pressure compensation opening, and with the pressure medium force cylinder arrangement. The pressure medium force cylinder arrangement is actuated depending on the actual release state and on a desired release state.

Abstract: The friction clutch comprises a clutch disk arrangement which can be brought into frictional engagement with associated friction surfaces by the action of a movably mounted thrust plate arrangement. The actuation device includes a pressure medium force cylinder arrangement by means of which the friction clutch can be actuated by an actuating member; a measuring arrangement detects an actual actuation. A control/regulating valve arrangement is connected with a pressure medium source, with a pressure compensation opening or a pressure compensation reservoir and with the pressure medium force cylinder arrangement, by means of which control/regulating valve arrangement the pressure medium force cylinder arrangement can be actuated depending on the actual actuation and on a reference actuation which can be predetermined. According to one aspect of the invention the measuring arrangement detects an adjusting path of at least one thrust plate of the thrust plate arrangement as actual actuation.

Abstract: In a bill validator (1) which includes a bill inlet (3) through which a bill (2) is inserted, a transfer path (4) arranged behind the inlet and connected to the inlet, a transferring mechanism (11, 10) for transferring the bill in the transfer path, a validating unit (18-20) for validating the bill on a predetermined validating position of the transfer path, and an optical detecting section (5), the optical detecting section includes a light emitting portion (7) for emitting a light beam, a transmission light guide (8) having a light input portion (8a) supplied with the light beam from the light emitting portion and a light output portion (8b) for outputting the light beam inputted through the light input portion, and a light receiving portion (9) for receiving the light beam from the light output portion.

Abstract: The present invention provides for a semiconductor workpiece processing tool and methods for handling semiconductor workpiece therein. The semiconductor workpiece processing tool preferably includes an interface section comprising at least one interface module and a processing section comprising a plurality of processing modules for processing the semiconductor workpieces. The semiconductor workpiece processing tool may have a conveyor for transferring the semiconductor workpieces between the interface modules and the processing modules.

Abstract: An article separation conveyor system includes a plurality of conveyors which are independently and/or collectively operable to destack, separate and/or align articles being conveyed along the article separation conveyor. The conveyor system includes a destacking conveyor, a side by side eliminating conveyor and/or an aligning conveyor. The destacking conveyor includes a plurality of conveying portions, which are inclined to convey articles up and then drop or guide them onto the next adjacent conveyor. The side-by-side eliminating conveyor includes a pair of diverting members and is operable to redirect articles from one side of the conveyor to the other to destack and separate articles as they are continuously conveyed along the conveyor. The aligning conveyor is operable to align articles along one side of the discharge conveyor so the articles are arranged for identification at a downstream scanning device and induction onto a sortation system.

Abstract: The present invention relates to an apparatus for turning the top side of planar objects (1, 2) such as plywood or particle boards into the underside, the apparatus comprising an importing conveyor and an exporting conveyor, and a board turner assembly mounted between the conveyors. The board turner is formed by at least two sets of turning fingers (5, 6), each one of the sets having its fingers aligned in the same plane and being adapted to rotate about a common axis parallel with said plane. The construction of the conveyors is such that it permits the fingers (5, 6) during their rotary motion to pass through gaps of the conveyors. Each one of said sets of turning fingers (5, respectively 6) are arranged to be turned independently from each other.

Abstract: To improve the stacking of containers comprising thermoplastic plastic, and the transfer of the stacks to a successive device, the containers ejected from a shaping tool are alternatingly received by two retaining plates and guided to two respective stack magazines disposed to the side of the shaping tool. These magazines can be exchanged alternatingly with an adjacent stack magazine and guided into an ejection station.

Abstract: For conveying individually held products (3) in a network of conveying paths (A, B), a holding element (4) is associated with each product (3) and is conveyed together with the product along the entire conveying route for the product (3) which route contains various conveying paths (A, B). Each holding element (4) comprises at least one first coupling part (1) for being coupled to a conveying element being movable along a given conveying path (A, B) and comprising a second coupling parts (2) or for being coupled to guides extending along the conveying paths. In transfer areas (U) in which products and holding means are transferred from one conveying path to another conveying path control means are provided for uncoupling holding elements (4) from conveying elements or guides of a first conveying path (A) and for coupling holding elements (4) to conveying elements or guides of a second conveying path (B).

Abstract: A container feeder for feeding pillowlike uncompleted containers C1 each having a container body M1 and upper and lower ears U1, L1 projecting laterally from upper and lower ends of the container body to a conveyor 21 of a container forming device 14 for forming the uncompleted container C1 into a rectangular parallelepipedal completed container C2 comprises a slanting chute 101 having a lower end positioned at a starting end of a conveyor transport path, a first receiving member 134 so disposed as to be movable upward or downward along a chute transport path, the first receiving member 134 being movable into the chute transport path when moving downward to receive the lower end of the container body M1 of the container C1 falling along the chute 101 under gravity, and a second receiving member 144 so disposed as to be movable upward or downward along the chute transport path, the second receiving member 144 being movable into the chute transport path when moving downward to receive the upper ears U1 of the c

Abstract: An auger lock for conveying particulate material there through, said auger lock includes an auger tube receiving particulate material therein including an auger section, a material plug section, and an exit section. In the auger section; a drive for rotating a rotatable spiral auger mounted concentrically on a rotatable drive shaft within said auger tube for conveying particulate material there through. In the material plug section; conveyed particulate material is allowed to accumulate and compact to form a material plug to minimize free flow of gases through said auger tube. In said exit section; a means for discharging said particulate material from said auger tube.

Abstract: A conveyor system (10) for transporting a vehicle skid (14) . The system includes a frame structure (24) extending along a longitudinal axis (26) and a plurality of support rollers (30) carried by the frame section. The support rollers are journaled for rotation about axes (32) transverse to the longitudinal axis and have a peripheral support surface (34) for supporting the vehicle skid. The system further includes drive means (36, 38, 42) for displacing the vehicle skid (14) along the frame structure (24) . To permit rapid acceleration and braking of the vehicle skid, the drive means includes at least one continuous drive belt (36) having a toothed inner surface for engagement with a drive gear (38) and a toothed outer surface for engagement with a projection (40) on the vehicle skid.

Abstract: Two turntables 41L, 41R that rotate on a perpendicular axis are arranged in parallel along a moving passage; a surface of each of the tables 41L, 41R is divided into three sections; and in trays 61L, 62L, 63L (61R, 62R, 63R) placed in the sections, respectively, parts “&agr;”, “&bgr;”, and “&ggr;” corresponding to a type of a center cluster W in which the parts are built (“&agr;′”, “&bgr;′”, and “&ggr;′” which are different from the “&agr;”, “&bgr;”, and “&ggr;” in a kind of the parts though they are the same as the “&agr;”, “&bgr;”, and “&ggr;” in the type of the center cluster W) are put.

Abstract: A roller conveyor having side wings spaced apart from each other for accommodating rollers that are arranged between these side wings successively in the direction of conveyance. These rollers are rotatably supported at both ends by means of trunnions extending into these rollers on their face sides, and are driven by a motor. In addition, at least one roller is in driving connection via a gearing with a driving motor arranged on a side wing on the driving side. In this case, the driving motor may be designed in the form of a box-like section which is open on the side facing away from the rollers. In this case, the driving motor and the gearing, may be combined in a geared motor, and are accommodated within the box-like section.

Abstract: An endless roller chain conveyor of the over/under type supporting carriers or pallets which independently travel along the horizontal runs of the conveyor upon demand, while the roller chain is allowed to continuously run at a constant speed. The chains are commercially available multi-strand roller chain. The carriers or pallets may be stopped and held along the horizontal runs of the conveyor (both top and bottom) using mechanically driven stop assemblies located at required load, unload, holdback, or workstation positions assigned to the particular application. The carriers or pallets are driven on the roller chains by way of guide sprockets, alignment bars, and support rollers. The guide sprockets are attached to an adjustable clutch assembly of the type, which allows for adjustment of the rolling resistance to accommodate the particular load requirements of the specific application for a particular machine.

Abstract: A roller adapted to be rotatably mounted on a bushing of each link assembly of a chain comprises a split roller composed of two roller segments assembled together. The split roller can be easily mounted on the bushing from a radial direction of the bushing even though the bushing is integrally formed with links to form a single link assembly. The link assembly has a one-piece structure and hence is improved in strength and rigidity. The bushing of the link assembly is free from damage or break even when the chain is subjected to a great tensile force.

Abstract: [Object] To avoid increase in a thickness of a pointing device for inputting a signal in X-Y directions by sliding operation and to improve functions of the device. To reduce the number of parts.

Abstract: A switch inhibitor provides an obstacle for the switch-toggle, the obstacle having a switch-obstacle position and a switch-release position. The obstacle may be held to the switch-obstacle position by a spring, which may be overcome by applying force to a release mechanism. The switch inhibitor may be permanently or removably attached to the cover plate for the electric-switch.

Abstract: A connector structure includes a connector shell, and incorporates a cable reel and a turn-indicator system and a lighting system. The connector shell has an axis, and is configured to be joined with a steering shaft having an axis. The connector shell includes a cylindrical section fitted around the steering shaft in a freely rotatable manner, and a receptacle section which includes a shoulder portion extending outwardly from one end of the cylindrical section, a peripheral sidewall portion, and first and second parting strip portions symmetrically provided with respect to the axis of the connector shell, thereby forming, inside the receptacle section, a central zone between the first and second parting strip portions, a first peripheral zone between the peripheral sidewall portion and the first parting strip portion, and a second peripheral zone between the peripheral sidewall portion and the second parting strip portion.

Abstract: A slide switch comprising a case having a slide hole, a slide knob attached slidably to an outer surface of the case, the slide knob having a shaft portion inserted into the slide hole of the case, a shield member disposed between a lower surface of the slide knob and an outer surface of the case, the shield member having an insertion hole for insertion therein of the shaft portion of the slide knob, and a contact member disposed in the interior of the case and retained by the shaft portion of the slide knob, wherein the shield member is engaged with the shaft portion of the slide knob so as to be slidable with the slide knob and is formed with an annular projection outside an outer periphery of the insertion hole, also formed with a thin plate-like substrate portion inside the annular projection, and is further formed with a thin plate-like outer edge portion which surrounds the outside of the annular projection.

Abstract: A latching mechanism for a circuit breaker operating mechanism includes a primary latch with a cross bar and a first pair of elongated leg members flexibly mounted to the cross bar. A secondary latch is pivotally mountable to the circuit breaker operating mechanism, with the first pair of elongated leg members being in removable engagement with the secondary latch. In one embodiment, the cross bar is flexible and deflects at a point along a longitudinal axis thereof. In another embodiment, the cross bar is flexible and twists about its longitudinal axis.

Abstract: A circuit breaker includes an opening and closing mechanism section with an opening and closing lever, and an alarm-outputting plate operating in response to a tripping operation. A case for the circuit breaker has a plurality of switch housing sections formed on a top side thereof, in which are installed an auxiliary switch for detecting an ON/OFF state of a main circuit contact and/or an alarm switch for detecting a tripping operation. The opening and closing lever and the alarm-outputting plate have outputting projecting pieces, respectively, laterally spaced apart from each other corresponding to the respective housing sections, for transmitting mechanical output signals to the switches. When the auxiliary and alarm switches are installed, the auxiliary switch is linked to the outputting projecting piece of the opening and closing lever, while the alarm switch is linked to the outputting projecting piece of the alarm-outputting plate.

Abstract: A key switch includes a base, a key top arranged above the base, a pair of link members interlocked to each other to support the key top above the base and direct the key top in a vertical direction, and a switching mechanism capable of opening and closing an electric circuit in connection with a vertical movement of the key top. Each of the link members includes an engagable end region engaged with the key top. The base includes an inner peripheral surface defining an opening capable of receiving the link members. The base is provided on the inner peripheral surface with protruding wall parts located at positions respectively facing oppositely to the engagable end regions of the link members. Each protruding wall part serves to locally reduce a clearance defined between the inner peripheral surface and the engagable region of each link member when the link member is received in the opening.

Abstract: This invention resides in providing a method for the prevention of possible polymerization of the easily polymerizable substance during the purification thereof by a column provided with (a) at least one tray directly fixed to a support ring with a bolt and a nut and/or (b) at least one tray fixed to a support ring with a vertical clamp or a distillation column provided in the lower part thereof with a splash collision plate.