Abstract: A treadle drive system operates comfortably in a standing or seated position with two toe or heel end pivoting treadles. A flexible drive line (chain, cable, belt, etc.) from each treadle drives a pair of forward biased driving rings (having sprockets, pulleys, belt wheels, etc.) concentrically encircling and driving a hollow drive cylinder. Concentrically encircling the cylinder, a driven ring in turn drives a rotating device. A positive engagement clutch between the hollow cylindrical hub and the driven ring allows the driven ring to be engaged or disengaged from the drive cylinder. Opposing holes transversely through the hollow drive cylinder engage pins on outer ends of a V-shaped spring. The pins are normally engaged in mating openings on an interior surface of the driven ring. A push-pull shaft with a cup having a rigid rim pushes against the sloping sides of the spring to disengage the pins from the driven shaft only. Pulling the shaft releases the spring reengaging the pins in the driven shaft.

Abstract: The safety belt device described for child safety seats in motor vehicles comprises a belt fastener (1) with a belt arrangement (4) comprising pelvic and shoulder belt (13, 14). The belt :fastener (1) comprises the conventional closure device (2) and a single, belt-guiding end piece (3) having an inclined belt guide slot (9). One end of the shoulder belt is attached to the pelvic belt near the closure device (2) of the belt fastener (1), and the other end of the shoulder belt (14) is attached to the belt end piece (3) of the belt fastener (1) while forming a longitudinally adjustable loop (21) in the pelvic belt region. The loop (21) therefore has pelvic belt function over a short distance and passes through an eye part (16), to which one end of the pelvic belt (13) is attached. The other end of the pelvic belt is attached to the closure device (2) of the belt fastener (1) (FIG. 1).

Abstract: A continuously variable transmission includes a pump (258) driven by an input shaft (256) against a wedge-shaped swashplate (260). Hydraulic fluid pressurized in the pump flows through ports (402) in a pump cylinder block (422) into kidney-shaped slots (406) in the swashplate (260), and from there flows into and pressurizes a series of cylinders (394) in a motor cylinder block (366). The pump and motor exert first and second components of torque on a swashplate (260) in the rotational direction on the input shaft (256), and the hydraulic system pressure in the swashplate slots exerts a third component of torque in the same direction on the swashplate (260). The third torque component is a product of the hydraulic system pressure and the differential area of the two ends of the high pressure slot (406P) at the narrow and thick sides of the wedge-shaped swashplate (260).

Abstract: An inserting machine has a plurality of successively arranged feeder heads mounted along two parallel travel paths. In a main jacket feeding station, main jackets are inserted fold first into the feeder heads. The main jackets are opened and one or more insert feeding stations insert inserts into the main jackets. For increasing the output of the inserting machine, the insert feeding station is constructed for selectively feeding inserts to the feeder heads of both parallel travel paths.

Abstract: A method and an arrangement for collecting and subsequently stitching folded sheet-like printed products. The method includes regularly feeding printed products to a conveying track. The arrangement has a plurality of supports for placing the printed products thereon, wherein the supports extend transversely of the conveying direction and are spaced apart in conveying direction. At least one feeder station is provided for the supports. A stitching apparatus is arranged in front of the end of the conveyor track. The conveyor track is driven by a bending means which engages the supports.

Abstract: A speed increasing/decreasing mechanism is interposed between a left-wheel axle and a right-wheel axle. The mechanism is constructed integrally of a speed increasing mechanism and a speed decreasing mechanism. The speed increasing mechanism is adapted to increase a rotational speed of the left-wheel axle and then to output the thus-increased rotational speed to a first intermediate axle. The speed decreasing mechanism, on the other hand, is adapted to decrease a rotational speed of the left-wheel axle and then to output the thus-decreased rotational speed to a second intermediate axle. A first coupling of the variable transmitted torque capacity type is interposed between the first intermediate axle and the right-wheel axle to transmit drive torque therebetween. A second coupling of the variable transmitted torque capacity type is interposed between the second intermediate axle and the right-wheel axle to transmit drive torque therebetween.

Abstract: Groups of differently printed advertising inserts are collated into stacks of at least two inserts each, and the stacks are advanced along a main predetermined path for feeding to a host machine having continuously moving pockets which contain newspaper jackets and which receive the collated stacks of inserts in order to marry the inserts and the jackets. Initially, at least two relatively tall stacked bundles of inserts are located above and are spaced laterally from the main path. Inserts are stripped from the tall bundles, are advanced laterally toward the main path and are stacked in two relatively short queues located above and spaced along the path. A first vacuum belt strips inserts from the upstream queue and advances such inserts in an upstream direction as a running shingle, which then reverses directions and proceeds downstream. As an incident thereto, successive leading inserts are stripped from the shingle and are advanced in spaced relation along the main path toward the host machine.

Abstract: A method and system are provided for operating a document assembly system. Assembly is initiated of a set of documents in a sequence. Improper assembly is detected of a particular one of the documents. Assembly is reinitiated of a replacement for the particular document after each preceding document in the sequence of the set is no longer being assembled by the document assembly system. In another embodiment, improper assembly of particular documents is detected and stored in memory, the stored indications are sorted according to the original sequence, and assembly of replacements for the particular documents is reinitiated according to the sequence.

Abstract: A hydraulic actuator including a single cylinder body which defined therein a pressure chamber in which a first piston with a piston rod and a second piston with a piston rod are independently movably inserted, a first working member secured to the first piston rod, a second working member secured to the second piston rod, and pressurized fluid inlet and outlet ports provided in the cylinder body to be connected to the pressure chamber.

Abstract: A device for guiding signatures between signature-guiding cylinders in a folding apparatus of a rotary printing press includes a guide member extending over the length of the signature-guiding cylinders for receiving signatures thereon, the guide member being disposed relative to the signature-guiding cylinders so as to facilitate a reversal of transport direction of the signatures, a support member whereon the guide member is rotatably supported, at least one conveyor belt for driving the guide member, and a device for applying negative pressure, during rotation of the guide member, to peripheral regions of the guide member and between the guide member and a respective signature received thereon.

Abstract: The device embodying the invention uses a phase shifter controlled by a dual-effect hydraulic acting element comprising a phase shifting chamber connected to the distributor output via a circuit comprising a nonreturn valve and a hydraulic accumulator whose load pressure can be limited by means of a limiter and a rephasing chamber whose pressure is controlled by a pressure regulator so that a predetermined phase shift corresponds with each regulator control value. The invention applies notably to the driving into the ground of objects such as stakes or sheet piles.

Abstract: A hydraulic control system for an automatic transmission comprises a plurality of shift valves which connect a first hydraulic passage communicating with an N+2 speed apply chamber to a second hydraulic passage communicating with an N+1 speed release chamber upon N speed, where N is a whole number equal to or greater than 1.

Abstract: The use of two variable displacement over-center hydraulic motors 12,14 in conjunction with a torque-summing gearbox 16 for maintaining the torque output of a power drive unit 10 in a typical closed loop control system is described. The torque output of the power drive unit 10 is maintained as either the sum or the difference of the torque outputs produced by the two variable displacement over-center hydraulic motors 12,14, depending upon the required system performance. This present invention use overcomes the problems associated with a single variable displacement over-center hydraulic motor operating in the stick-slip zone.

Abstract: Image forming apparatus including a sheet finish-processing unit for finish-processing sheets discharged from a copying machine to which the unit is laterally positioned and stored thereby into a plurality of stacks. A sheet stack finish-processing mechanism of the unit, incorporating a stapler, is shiftable by an associated drive mechanism in the widthwise direction along the adjacent end of a positioned stack in storage. A sheet stack handling mechanism therein draws the end of the positioned stack into a finishing locale of the finish-processing mechanism, and subsequent to a finishing (stapling) operation, returns the finished sheet stack into storage. Thereupon, the stack is transversely discharged frontward of the image forming apparatus from storage, during which operation a subsequent finishing operation is concurrently executable; by such discharge a number of copy stacks greater than the number of stacking storages can be processed.

Abstract: A sheet folder apparatus for use with a web-fed printing press includes upstream and downstream folding assemblies and a conveyor for delivering cross-folded sheets from the upstream assembly to the downstream assembly. A head stop is positioned within the delivery path defined by the conveyor for limiting the movement of the cross-folded sheet along the path and for positioning the sheet relative to the downstream folding assembly. The position of the head stop along the delivery path may be adjusted during operation of the apparatus so that it is not necessary to shut the apparatus down to make adjustments to accommodate various signature size and format changes in the apparatus. A registration system is also included for registering the two folding assemblies relative to the apparatus when either the upstream assembly is replaced or the downstream assembly is enabled.

Abstract: A folder having, disposed in succession in a web-and-copy traveling direction, at least a first longitudinal folding device, driven severing members, and cross-folding devices formed of folding cylinders to which a first copy delivery is assigned, and a second longitudinal folding device to which folding copies are supplied via a section of a conveyor belt which is disposed over a second loadable copy delivery, includes drawing devices disposed upstream of the severing members in the web-and-copy traveling direction, a first drive for separately and controllably driving the drawing devices, a second drive for driving the severing members and the cross-folding devices, and outwardly swingable conveyor belts having a third copy delivery assigned thereto.

Abstract: A brake pressure booster for a vehicle brake system comprises a vacuum booster which includes two chambers, the low pressure chamber (16) of which is evacuated during actuation in a brake pressure boosting fashion, while a pressure higher than that in the low pressure chamber is adjustable in the high pressure chamber (14) by means of a control valve (28), the higher pressure exceeding the external atmospheric pressure. That is accomplished by a mechanical regulating valve (12) connected upstream of the control valve (28). Upon connection of a pressure source (18) to the high pressure chamber (14), a valve seat controlling access from the pressure source (18) to the valve opens before another valve seat closes that controls the connection between an inlet (24) into the valve and the high pressure chamber (14).

Abstract: Electrically operated hydraulic pump systems are commonly used on tailgate loaders and small dump truck hoists. The systems include a switch which, when closed, couples the vehicle battery to the pump driving motor and a hydraulic lowering valve which, when opened, drains the output port of the pump to a reservoir. The control system for this electric pump system comprises an air cylinder operatively connected to the switch and a second cylinder operatively connected to the hydraulic lowering valve. A switching valve is connected between each air cylinder and a source of air pressure. The switching valves may be operated by an operator to pump or drain hydraulic fluid.

Abstract: Paper sheets are fed in a first direction until the sheets abut a stop plate and fall downwardly to form a stack. A sensor detects a sign on a last sheet in a group and when that sheet falls on the stack, the entire group of sheets is transported away in a first direction generally perpendicular to the feed direction or a second direction opposite to the first direction. To aid in the transportation away, two pairs of drive rollers are mounted on either side of the transport which grasp the stack of sheets and transports them away from the stacking area.

Abstract: A hydraulic control apparatus, more particularly for operating a motor vehicle clutch release mechanism, comprising a master cylinder, a slave cylinder and a conduit connecting the master cylinder to the slave cylinder. The apparatus is in the form of separate modular units which are separately filled with hydraulic fluid, and the filled modular units are shipped unconnected to a user. Each modular unit is provided with a leakproof quick-connect connector member, through which filling of the modular unit may be effected, and which mates with a complementary leakproof quick-connect connector member of another modular unit, such that after installation on a utilization device, a motor vehicle for example, complementary connector members are reconnected, thus opening ports in each connector member placing each member in fluid communication with the other. Preferably, the two connector members are provided with a one-way locking arrangement preventing separation of the connector members after coupling.