Abstract: A blower according to a present embodiment includes a blower unit that has a housing on which a slit is formed to extend vertically, and a support unit that has a support pillar inserted through the slit and pivotally coupled with the blower unit to be swingable vertically. And, by forming a distance between a lower end of the slit and the support pillar in a horizontally directed state in which an airflow direction of the blower unit is in line with a horizontal direction, it is configured to make the blower unit swingable such that the airflow direction of the blower unit is directed toward a lower side below the horizontal direction.

Abstract: A windshield wiper control system includes a movable element configured to move in a first direction and an opposing second direction and one or more actuation devices configured to cause the movable element to move in the first direction. The windshield wiper control system also includes a rotatable cam configured to cause the movable element to move in the opposing second direction when the rotatable cam contacts a stationary surface as the rotatable cam rotates about a cam axis and a wiper mechanism configured to move in the first and second directions and pivot in an arc motion responsive to the rotation of the rotatable cam. The wiper mechanism is further configured to cause the one or more windshield wipers to move across a surface of a windshield in a more linear motion than the arc motion of the wiper mechanism.

Abstract: The present invention relates to a four degrees of freedom motion apparatus, and more particularly, to a four degrees of freedom motion apparatus capable of implementing three degrees of freedom (pitch, roll, heave) motions by three actuators positioned at a lower plate and a center plate, and between the lower plate and the center plate, and a spline, and additionally implementing an one degree of freedom (sway) motion by a connecting means provided between the center plate and an upper plate.

Abstract: The reciprocating piston mechanism with an extended piston offset is provided. The mechanism is of the type that contains at least one cylinder having a longitudinal axis, at least one piston that has a pivot pin and is slidingly installed in the cylinder, a crankshaft, which is offset at a distance from the longitudinal axis of the cylinder, a rocker arm/lever assembly pivotally mounted on a crankpin of the crankshaft. The mechanism is also provided with a connecting rod that connects the piston to one arm of the rocker arm/lever assembly. The other arm of the rocker arm/lever assembly has a roller that is guided in a confined pathway and works as a fulcrum of the lever and a stabilizer/rudder at the same time.

Abstract: A reciprocating pedal transmission for a pedal-powered vehicle. Two pedals are selectively connected to a driveshaft by one way clutches. A reversing gear mechanism forces the non-pushing pedal to travel in a direction which is opposite to the direction of the pushing pedal. The non-pushing pedal may also be used to input force (a pulling force) if desired. The arcuate range of motion is infinitely variable. The user may reverse the pedal travel at any time using only the forces applied by the feet.

Abstract: An auxiliary device for a bicycle is disclosed. The auxiliary device includes a pair of thrusting members and a drive mechanism pivotally coupled between the thrusting members and the bicycle. The thrusting members positioned at two sides of the bicycle in a one-up-one-down manner, so that the thrusting members normally abut against a cyclist's back thigh muscles. The drive mechanism has two first pivots, a second pivot and a linkage system so as to make the thrusting members thrust the cyclist's back thigh muscles when the cyclist treadles the treadles. Thereby, the auxiliary device is useful to reduce burden bore by the cyclist's front thigh muscles and shank muscles, and can use the kinetic energy generated by the cyclist's back thigh muscles to enhance the cyclist's riding speed and endurance.

Abstract: In the transmission of mechanical movements, a mechanical angular positioning device is provided, and applies to optical instruments to position an element like a mirror according to three predefined positions. The angular positioning device comprises a frame and two imbricated mechanical movement transmission assemblies. The first assembly comprises a first support in pivot connection with the frame according to a first axis, which is rotatable by a first motor via two connecting rods which generate two dead centres for the first support. The second mechanical assembly comprises a second support in pivot connection with the first support, according to a second axis, not parallel with first axis. This second support is rotatable by a second motor via two connecting rods which generate two dead centres for the second support. One of the dead centres of the first support can coincide with one of the dead centres of the second support.

Abstract: A windshield wiper control system includes a movable element configured to move in a first direction and an opposing second direction and one or more actuation devices configured to cause the movable element to move in the first direction. The windshield wiper control system also includes a rotatable cam configured to cause the movable element to move in the opposing second direction when the rotatable cam contacts a stationary surface as the rotatable cam rotates about a cam axis and a wiper mechanism configured to move in the first and second directions and pivot in an arc motion responsive to the rotation of the rotatable cam. The wiper mechanism is further configured to cause the one or more windshield wipers to move across a surface of a windshield in a more linear motion than the arc motion of the wiper mechanism.

Abstract: The reciprocating piston mechanism with an extended piston offset is provided. The mechanism is of the type that contains at least one cylinder having a longitudinal axis, at least one piston that has a pivot pin and is slidingly installed in the cylinder, a crankshaft, which is offset at a distance from the longitudinal axis of the cylinder, a rocker arm/lever assembly pivotally mounted on a crankpin of the crankshaft. The mechanism is also provided with a connecting rod that connects the cylinder to one arm of the rocker arm/lever assembly. The other arm of the rocker arm/lever assembly has a roller that is guided in a confined pathway and works as a fulcrum of the lever and a stabilizer/rudder at the same time.

Abstract: An auxiliary device for a bicycle is disclosed. The auxiliary device includes a pair of thrusting members and a drive mechanism pivotally coupled between the thrusting members and the bicycle. The thrusting members positioned at two sides of the bicycle in a one-up-one-down manner, so that the thrusting members normally abut against a cyclist's back thigh muscles. The drive mechanism has two first pivots, a second pivot and a linkage system so as to make the thrusting members thrust the cyclist's back thigh muscles when the cyclist treadles the treadles. Thereby, the auxiliary device is useful to reduce burden bore by the cyclist's front thigh muscles and shank muscles, and can use the kinetic energy generated by the cyclist's back thigh muscles to enhance the cyclist's riding speed and endurance.

Abstract: A motor bracket to which a wiper motor is fixed, and a DR side pivot holder are coupled together by means of a DR side pipe frame inclined to a plane perpendicular in the axial direction of an output shaft of a wiper motor, and the motor bracket and an AS side pivot holder are coupled together by means of an AS side pipe frame inclined to the plane perpendicular in the axial direction of the output shaft. An output arm is fixed to the output shaft of the wiper motor, and the output arm is disposed between the DR side pipe frame and the AS side pipe frame, and between the connecting rod for coupling a DR side lever and an AS side lever, and the motor bracket.

Abstract: An opposed-piston engine with a single crankshaft has a rocker-type linkage coupling the crankshaft to the pistons that utilizes a rotatable pivot rocker arm with full-contact plain bearings. A rocker-type linkage utilizes a rotatable pivot bearing with an eccentric aspect to vary translation of piston linkage along the axial direction of a cylinder, which shifts the top dead center (TDC) and bottom dead center (BDC) locations of a piston so as to change the volume of charge air compressed during the power stroke.

Abstract: The invention relates to a wiper drive comprising a housing, a reversing motor and a gear mechanism connected downstream of the reversing motor, wherein a swaying element for driving at least one wiper arm or a wiper arm rod is provided on the gear mechanism output shaft, and wherein the operating range of the swaying element lies within a pivoting range which is delimited by two mechanical stops, wherein at least one stop is designed such that it can be removed and/or moved in such a way that the swaying element, when the wiper drive is mounted on a support frame, can be moved from a first mounting position, which lies outside the pivoting range, into the pivoting range without being obstructed by the stop. The invention furthermore relates to methods for mounting a wiper drive on a support frame.

Abstract: An EGR valve (20) comprises three gear parts (40, 42, 44) that provide a variable ratio drive system through which an electric actuator (34) operates a movable valve element (26). Each of the gear parts (40, 42, 44) is a single unitary part, with one part (42) containing two sets of gear teeth (46, 48) each associating with a set of gear teeth of a respective one of the other two parts. Limit stops (56, 58, 60; 68, 70) are integrally formed in two parts (42, 44).

Abstract: This invention relates to windshield wiper system and method which utilizes a flexible member to account for compression loads in excess of a predetermined load, such as 30 percent greater than a maximum load for the flexible member. The system utilizes a flexible pultruded composite material having a relatively low modulus of elasticity, yet relatively high elongation characteristics. The flexible arm bends to facilitate preventing damage to components in the wiper system when a compressive load applied to the flexible member reaches a predetermined load as a result of a fatigue condition, such as snow or ice build up on the windshield. In one embodiment, the predetermined load is defined as: PCR=KE=1.

Abstract: This invention relates to windshield wiper system and method which utilizes a flexible member to account for compression loads in excess of a predetermined load, such as 30 percent greater than a maximum load for the flexible member. The system utilizes a flexible pultruded composite material having a relatively low modulus of elasticity, yet relatively high elongation characteristics. The flexible arm bends to facilitate preventing damage to components in the wiper system when a compressive load applied to the flexible member reaches a predetermined load as a result of a fatigue condition, such as snow or ice build up on the windshield.

Abstract: A windshield wiper drive imparts overlapping butterfly oscillation to a pair of spaced wiper shafts from a rotary drive member having a crank arm. A drive link is provided having first, second, and third connection points. The first connection point is adjacent one end of the drive link and is pivotally connectable to the crank arm of the rotary drive member. The second connection point is adjacent an opposite end of the drive link, and the third connection point is interposed between the first connection point and the second connection point along the drive link. An idler pivot link is pivotable about a fixed axis and has at least three crank arms extending radially from the fixed axis and spaced from one another. A first elongate link is pivotally connected at one end to a first crank arm of the idler pivot link, and is pivotally connected at an opposite end to the second connection point of the drive link.

Abstract: A wiper system (1) for vehicles, having at least one wiper lever assembly (7) that has at least one wiper arm (26) and that has a first pivot lever (9) that can be coupled in a manner fixed against relative rotation to a stationary first shaft (19) and a second pivot lever (11) that is freely rotatable about a stationary second shaft (23), is proposed. The first pivot lever (9) is connected via a first joint (15) and the second pivot lever (11) via a second joint (17) to the coupling element (13). The wiper system (1) furthermore has a drive device (29), which has a drive shaft (31) disposed at a distance from the first and second shafts (19, 23); with the aid of the drive shaft, at least one toggle link (37) can be shifted in oscillating fashion, and the toggle link (37) is connected via a joint (43) to a coupling part (45) that is coupled to the first shaft (19) in a manner fixed against relative rotation.

Abstract: The drive apparatus for a wiper system (10) has a reversible wiper motor (18), a lever drive mechanism connected with a wiper (12), which includes a drive lever (36), e.g. a cross guide rod, and a four-bar wiper lever (40) connected with it, and a coupling mechanism (20) for coupling the lever drive mechanism with the wiper motor. The coupling mechanism (20) includes a crank (22) attached to the wiper motor (18), a coupling rod (24) pivotally connected to the crank (22) and in articulated fashion to guide rod (26) pivotally supported on a vehicle body. A joint rod (28) is pivotally connected to the coupling rod (40) and the drive lever (36) to drive the lever drive mechanism and hence the wiper (12) with the drive motor via the coupling mechanism (20).

Abstract: The invention is based on a wiper system (10) having a mounting plate (12), on whose mounting plate tube (14) a wiper bearing (20) is disposed on one end and a cast part (16) is disposed on the other, and a first bearing housing (22) for a second drive shaft (26) and a second bearing housing (28) for a control shaft (30) of a four-bar lever linkage are integrated with the cast part, and the second drive shaft (26) is driven by a wiper motor (32) via a motor crank (36), a drive element (44), and a bearing rocker (46). It is proposed that the wiper motor (32) is disposed as a reversing motor on the passenger side, and its motor shaft (34) is disposed on the cast part (16) in the vicinity of the second drive shaft (26), between the second drive shaft (26) and the control shaft (30), and the drive element (44) is embodied as a coupling plate.

Abstract: This invention relates to windshield wiper system and method which utilizes a flexible member to account for compression loads in excess of a predetermined load, such as 30 percent, greater than a maximum load for the flexible member. The system utilizes a flexible pultruded composite material having a relatively low modulus of elasticity, yet relatively high elongation characteristics. The flexible arm bends to facilitate preventing damage to components in the wiper system when a compressive load applied to the flexible member is in excess of the predetermined load.

Abstract: This invention relates to windshield wiper system and method which utilizes a flexible member to account for compression loads in excess of a predetermined load, such as 30 percent, greater than a maximum load for the flexible member. The system utilizes a flexible pultruded composite material having a relatively low modulus of elasticity, yet relatively high elongation characteristics. The flexible arm bends to facilitate preventing damage to components in the wiper system when a compressive load applied to the flexible member is in excess of the predetermined load.

Abstract: The invention is based on a wiper system having a wiper motor, which via a motor crank, seated on a motor shaft, and two connecting rods drives a drive shaft of two windshields wipers, wherein a first connecting rod is pivotably connected directly to the motor crank while a second connecting rod is connected to the first connecting rod, in spaced-apart fashion from the crank joint, via a joint.

Abstract: Reducing manufacturing costs and weight of the wiper apparatus for the motor vehicle. A pivot-side bracket having a pivot-side supporting surface is provided in a DR-side pivot holder, and a motor-side bracket having a motor-side supporting surface which forms a pair together with the pivot-side bracket is provided in a wiper motor, and the DR-side pivot holder and the wiper motor are fixed to a pipe by the same bolts and nuts.

Abstract: This invention relates to windshield wiper system and method which utilizes a flexible member to account for compression loads in excess of a predetermined load, such as 30 percent, greater than a maximum load for the flexible member. The system utilizes a flexible pultruded composite material having a relatively low modulus of elasticity, yet relatively high elongation characteristics. The flexible arm bends to facilitate preventing damage to components in the wiper system when a compressive load applied to the flexible member Is in excess of the predetermined load.

Abstract: The present invention relates to a wiper assembly capable of adjusting a wiping angle, which changes the rotating angle of drive arms in accordance with the change of the operating mode (high-speed operating mode or low-speed operating mode) of a wiper assembly by means of an auxiliary motor so that the wiping angle can be properly changed. The wiper assembly capable of adjusting a wiping angle comprises an auxiliary motor mounted on a main frame and having a variable crankshaft for moving the center axis of the variable crankshaft from one position (P1) to another position (P2); and a variable link of which the first end is operatively coupled to one end of the variable crankshaft and the second end is coupled to the first connecting rod, the second connecting rod coupled to one drive arm, and a link rod coupled to the other drive arm. The variable link moves the location of drive arms between the points in accordance with the movement of a pivot (C1 or C2) occurred by operating of the variable crank.

Abstract: The invention relates to a wiper apparatus, which can effectively regulate overrun of a wiper arm, wherein the base end portion of the main wiper arm 8 is pivotally supported at the vehicle body side via a pivotal axis 8a so as to rock, the wiper arm 8 and one end of the first link 10 are pivotally supported so as to rock, via the first pivotal axis 8b, at an intermediate position at the tip end side of the corresponding axis 8a, one end of the second link 11 is pivotally supported, via the second pivotal axis 10a, at the other end of the first link 10, and the other end of the second link is connected integral with the main wiper axis 5 corresponding to the third pivotal axis, and wherein the main wiper arm 8 is set so as to be located at the upper reversing position when the first pivotal axis 8b, the second pivotal axis 10a and main wiper axis (third pivotal axis) 5 are positioned in the same straight line in order.

Abstract: A first lever is rotatably supported by a first support shaft connected to a vehicle body. The first lever has a first connection spaced away from the first support shaft. The first lever is reciprocally swung about the first support shaft by a driving force transmitted from a motor. A second lever is rotatably supported by a second support shaft connected to the vehicle body. The second lever has a second connection. A third lever is rotatably connected to both the first connection and the second connection. The third lever has an arm support shaft arranged at an offset position offset from a line connecting between the first connection and the second connection. A wiper arm is secured to the arm support shaft. A wiper blade is connected to a distal end of the wiper arm.

Abstract: In a wiper device, a wiper motor and link module is integrated in advance into an assembly composed of a pair of pivot shafts, a pair of pivot holders, a frame, a wiper motor and a link mechanism. When the module is fixed to a vehicle body, a supporting pin provided at the wiper motor is at first inserted into and held by a hole of the vehicle body to decide a fixing position of the module as a reference position and, then, a pair of fastening portions of the pivot holders are fixed to the vehicle body by bolts.

Abstract: A windshield wiper system for motor vehicles includes two wiper blades which rotate in the same direction and are driven by a crank linkage mechanism. The wiper system is arranged to enable independent positioning of the two wipers and which is economical and simple to install. The system uses two drive rods, one rotatably connecting the crank and a first wiper and rigidly connected to a connecting member. The end of the connecting member is rotatably connected to the second drive rod which is connected to a second wiper. The rotatable connections are preferably ball and socket connections.

Abstract: A windshield wiper apparatus for a vehicle includes an energy absorption member coupled between the moving drive arm and stationary structure which provides an opposing force to the movement of the wiper arm to absorb a portion of the inertial energy of the wiper arm as the wiper arm approaches one of at least an outwipe end limit and an inwipe end limit of a wipe pattern to reduce the impact forces on the wiper apparatus at the point of reversal of the wiper arm. The energy absorption member is in the form of a spring or compressive member arranged to store energy during movement of the wiper arm toward one or both of the end limits and to release the stored energy back to the wiper apparatus as the wiper arm reverses direction at each end limit. The energy absorption member is actively coupled to the drive arm only during a predetermined angular portion of the angular rotation of the drive arm which coincides with the region of increased mechanical advantage in the drive linkage.

Abstract: This invention relates to windshield wiper system and method which utilizes a flexible member to account for compression loads in excess of a predetermined load, such as 30 percent, greater than a maximum load for the flexible member. The system utilizes a flexible pultruded composite material having a relatively low modulus of elasticity, yet relatively high elongation characteristics. The flexible arm bends to facilitate preventing damage to components in the wiper system when a compressive load applied to the flexible member reaches a predetermined load as a result of a fatigue condition, such as snow or ice build up on the windshield. In one embodiment, the predetermined load is defined as: PCR=KE=1.

Abstract: A link mechanism for a reciprocating piston engine and the like is characterized in that: motions of a pair of cylinder-type pistons moving in opposite directions relative to each other are converted into an oscillating-type rotary motion through an oscillating arm provided with a right and a left portion, which portions are equal in mass and in turning radius of their oscillating-type rotary motions; and, the oscillating-type rotary motion is divided into two equal parts by connecting rod means and transmitted to the link mechanism in which the two equal parts of the oscillating-type rotary motion are converted into a rotary motion of a rotary shaft incorporated in the link mechanism.

Abstract: A windshield wiper assembly for use in a motor vehicle. An electric motor is operatively connected to and powered by an on-board electrical supply provided by the vehicle. The motor forms a part of a housing mounted within an engine compartment of the vehicle at a location remote from the vehicles windshield. A driving wheel and linkage member convert a rotary output of the motor into a translating and reciprocating driving force. A drive mechanism is mounted proximate a lower edge of the windshield, beneath a cowl portion, and with a first wiper arm pivotally securing to the drive mechanism at a first location and a second wiper arm likewise pivotally securing to the drive mechanism at a second location. An elongated and internally hollowed sleeve extends between the housing and the drive mechanism. The sleeve encloses a flexible and incompressible cable securing to the motor and drive housing at a first end and to the drive mechanism at a second end.

Abstract: A windshield wiper assembly for use in a motor vehicle. An electric motor is operatively connected to and powered by an on-board electrical supply provided by the vehicle. The motor forms a part of a housing mounted within an engine compartment of the vehicle at a location remote from the vehicles windshield. A driving wheel and linkage member convert a rotary output of the motor into a translating and reciprocating driving force. A drive mechanism is mounted proximate a lower edge of the windshield with a first wiper arm pivotally securing to the drive mechanism at a first location and a second wiper arm likewise pivotally securing to the drive mechanism at a second location. The drive mechanism provides a gear and belt arrangement for actuating the first and second wiper arms in a synchronous manner. One or more elongated and internally hollowed sleeves extend between the housing and the drive mechanism.

Abstract: This invention relates to windshield wiper system and method which utilizes a flexible member to account for compression loads in excess of a predetermined load, such as 30 percent greater than a maximum load for the flexible member. The system utilizes a flexible pultruded composite material having a relatively low modulus of elasticity, yet relatively high elongation characteristics. The flexible arm bends to facilitate preventing damage to components in the wiper system when a compressive load applied to the flexible member reaches a predetermined load as a result of a fatigue condition, such as snow or ice build up on the windshield. In one embodiment, the predetermined load is defined as:P.sub.CR =KE=1.3P.sub.link ; where:P.sub.CR =the predetermined load;P.sub.link =a maximum normal running load for a comparably-sized steel or rigid link which does not flex;K is a coefficient= ##EQU1## E is the flexural modulus (MPa) and I is a moment of inertia in mm.sup.4and L is a length (mm) of flexible arm 28.

Abstract: A drive mechanism for at least two windshield wipers of a vehicle, in particular of an automotive vehicle, with a driving motor (1) which includes a gear unit accommodated in a gear casing (2) which is closed by means of a cap and where, on the end of an output shaft (3) protruding from the gear casing (2), a motor crank (4) is fastened in a torsion-resisting manner for driving the wiper shafts (8) of the at least two wiper bearings (5, 11) via rods, is to be improved so that, on the one hand, it is easily adaptable to the space or installation conditions prevailing on the vehicle while, on the other hand, due to a reduced number of components, it can be manufactured at lower cost as compared to known drive mechanisms.

Abstract: An opposed wiping type wiper unit for use with one of right-hand and left-hand specifications has a crank arm that rotates when driven by a motor, an intermediate link connected to right-hand and left-hand wiper shafts through driving rods, and a connecting rod that connects the crank arm and the intermediate link. The length of the connecting rod and the connecting position thereof to the intermediate link are set so that the actual angular acceleration change of the intermediate link is substantially symmetrical. The angular velocity changes of right-hand and left-hand wiper arms are made asymmetrical on the basis of the length of the driving rods and the connecting positions thereof to the intermediate link. Only the lengths of the driving rods and their connecting positions to the intermediate link need to be varied.

Abstract: A device employing multiple counterweights for enhancing rotation movement. The device employs a horizontally disposed counterweight coupled to a vertically offset second counterweight by an adjacent sprocket. The sprocket times the counteracting weights to provide a single rotational direction whose inertia is maintained by a flywheel. The device has a 6:3:1 ratio resulting in a near continuous rotational movement upon the operational movement of the first and second counterweight. A generator may be coupled to the device providing a ancillary source of power.

Abstract: A double ball joint assembly for use with a windshield wiper system. The double ball joint assembly includes a first ball affixed to a second ball such that a first drive link is retained between them. A first socket is coupled to the first ball and includes an annular groove for retaining a second drive link about its circumference. A second socket is coupled to the second ball and includes an annular groove for retaining a motor crank arm that is coupled to a wiper motor assembly. This double ball assembly produces a shorter overall double ball joint.

Abstract: A wind direction alteration device for use in an integral type air conditioning apparatus in which the diameter of a connecting shaft of a blade extending through an opening formed in a connecting rod is greater than that of the shaft above and below the opening. The opening of the connecting rod is elongated and constricted in the center thereof. Three or more projections are extending into the opening through which the connecting shaft penetrates. A portion, holding the connecting rod, formed on a shaft of a wind direction alteration motor is disposed beyond a vertical movable range of the connecting rod. A portion, of the connecting rod, which is in contact with the portion of the shaft holding the connecting rod is inclined. A rib is formed on the inner surface of the elongated opening, of the connecting rod, through which the shaft of the wind direction alteration motor penetrates such that the rib is parallel with the direction in which the elongated opening is formed.

Abstract: To allow compact design of a wiper system equipped with a wiping angle varying assembly which comprises an actuating motor, an eccentric cam member provided in a path of transmitting the movement of the output end of a wiper motor to a wiper arm, and a control unit for activating the actuating motor so as to move the eccentric cam member and thereby change the range of angle of the wiping movement by altering a configuration of a linkage structure provided between the wiper motor and the wiper arm, the control unit is adapted to activate the eccentric cam member with such a timing that the force transmitted through the linkage structure from the wiper motor to the wiper arm tends to assist the force produced by the actuating motor to move the eccentric cam member in the required direction. Thus, the requirement of the power output of the actuating motor can be reduced, and the actuating motor can be substantially reduced in size.

Abstract: A windshield wiper apparatus for a vehicle includes a rotatably supported main shaft to which a wiper arm is secured, a main lever secured to the main shaft, a cam member arranged eccentrically about the main shaft, a plate turnably supported on the main lever, a subordinate lever having one end arranged about the cam member and another end connected to the plate, an arm turnably supported on the plate and having a joint to which a wiper drive mechanism is connected, and a turnover spring arranged between the plate and the arm for holding the arm at a predetermined position. If the wiper arm is moved by wind force during operation at high vehicle velocity, this motion is compensated for by adjusting the oscillation sweep of the arm in such a manner that the wiper arm will reverse direction at its normal upper reversal point. The wiper arm is thus prevented from striking the vehicle pillar, without reducing visibility through the windshield.

Abstract: A windshield wiper apparatus for a vehicle having a pivot lever, a linkage, and a rotating mechanism which is operative to move windshield wipers to and from storage and operating positions is provided. The pivot lever is secured at an end thereof to a pivot shaft which supports a wiper arm, and is coupled at the other end thereof to a link rod connected to a wiper motor which pivotally drives the wiper arm. The linkage includes a first link which is coaxially connected to the pivot shaft, a second link which is connected to the link rod and is substantially parallel to the first link, and a third link which is connected at an end thereof to the first link and connected at the other end thereof to the second link and the link rod to reciprocally rotate the pivot shaft.

Abstract: A wiper pivot is provided with a pivot arm, a pivot shaft having a spherical convex part, and a pivot holder having a spherical concave part. The pivot shaft is supported rotatably by the pivot holder through the spherical connection, and an opening of the pivot holder is closed with a waterproof member made from elastic material. In this wiper pivot, it is possible to prevent the pivot shaft from rattling and prevent the pivot holder from the penetration of water.

Abstract: A mechanism suitable for friction welding aerofoil blades to the periphery of a disc. The mechanism comprises a first member (flywheel 12) which has an ecentric crank pin. Two pivotally interconnected links 18 and 20 are connected between the crank pin and a second member 19 which is pivotally mounted. A blade to be friction welded (by rubbing it in an arcuate path on the disc) is mounted at the point of pivotal connection 32 between the second link 20 and the member 19. An actuator lever 24 is pivotally mounted on a pivot 22 which is located in the vicinity of the locus of movement of the pivotal interconnection 30 between the two links 18, 20. The actuator has a third link 28 which is of the same length as the link 20. The third link is connected by a pivot 26 to the lever 24 at a radius equal to the length of the second and third links 20 and 28.

Abstract: The discharge air sweep mechanism for an air conditioner is provided with slippage in its drive linkage such that the position of the vanes can be manually adjusted when the drive motor is turned off, or if the vanes become jammed during normal air sweep operation, the drive motor can continue to operate without damage to the mechanism. In one form of linkage, frictional engagement is provided by a pair of arms that are biased together with engaged member disposed therebetween, with the engaged member being allowed to slide between the arms upon the occurrences of either of the above mentioned conditions. Vane stop means is provided to automatically recalibrate the relative positions when normal air sweep operation is resumed.

Abstract: This actuating and locking apparatus comprises an actuating shaft (1) mounted in two bearings (2) and (3) and on which is mounted a control lever (6), a second lever (25), a spring (15), a part (20) rigidly connected to the shaft (1) and an arm (45) rigidly connected to this shaft and bearing a small plate (43) intended to co-act with an electromagnet (41). The control lever (6) is mounted freely on the actuating shaft (1), while the second lever (25) is rigidly connected to this shaft. In normal operation a connecting rod (14) causes the control lever (6) to pivot around its axis, thus driving via the lateral pin (23) and the recess (24) the second lever (25) and consequently the driving shaft (1). In order to lock e.g. a paper gripper (36), the electromagnet (41) is excited, thus locking the small plate (43), the actuating shaft (1) and the lever (25) in the upper position, allowing free displacement of the control lever (6) and generating torsion on the spring (15) during each cycle.

Abstract: A dynamically variable oscillating adjustment assembly including a frame and a first link means pivotally connected at one end to the frame and an adjustment mechanism positioned intermediate the one end of the first link means and the frame to adjustably position the first link means with respect to the frame. A second link means pivotally connected at one end to the other end of the first link means and pivotally connected at the other end to a first arm of a bell crank pivotally mounted upon the frame. A second arm of the bell crank is operable to oscillate in response to oscillation of the other end of the first link means. An adjustment mechanism may be interposed between the frame and the intermediate pivot of the bell crank such that the position and stroke of the other arm of the bell crank may be selectively adjusted.

Abstract: A mechanism for converting rotary drive motion into reciprocal rectilinear motion including structure for varying the length of the rectilinear stroke.