Abstract: A stick lever device including a mechanism for shifting a neutral position and capable of decreasing the number of parts of the device and facilitating the assembling. A pivotal shaft of a variable resistor mounted on a mounting member is securely mounted with a pivotal operation section including a stick lever. The mounting member is formed with two shaft holes and a support shaft of an arm member is selectively fitted in any one of the shaft holes. The pivotal operation section is provided thereon with three projections. The arm member which is urged by a spring is abutted against predetermined two of the projections depending on the position of the support shaft of the arm member, so that the neutral position of the pivotal operation section and stick lever may be shifted as desired.

Abstract: A steering wheel and deflection unit for a vehicle, in particular for a motor vehicle, is described, of the type in which a steering wheel is connected in an angularly rigid manner to a steering shaft and a control lever for a direction signalling device is supported radially in the vicinity of this steering wheel; the rest position of the control lever with respect to the steering wheel can be adjusted into a plurality of different angular positions.

Abstract: A hand lever of a selecting device of an automatically changing change-speed gearbox is inserted in a pre-assembled acceptance part which is connected via a joint to a setting linkage leading to a selection element. A predetermined installation position can be thus achieved with a positioning device.

Abstract: An edger having a main frame, at least one front wheel fastened in the front portion of the main frame, two rear wheels fastened in the rear portion of the main frame, a rotary blade disposed in the front portion of either side of the main frame and capable of conducting edging, an engine mounted on the main frame and a driving device for operating the rotary blade with the engine, the edger comprising:an operating lever assembly including a first and second lever for controlling the operating position of the rotary blade. The first lever includes a portion to be gripped during operation of the edger, and the second lever includes a position setting mechanism. Both levers are operatively connected together and control the rotary blade via a connection device.

Abstract: Control levers for controlling load handling devices are pivotally supported by an eccentric shaft portion of an adjusting shaft. The rotation of the adjusting shaft allows the control levers to move along a circular locus together with the eccentric shaft portion, thereby changing the grip positions of the control levers. Also, the grip positions of a plurality of the control lever can be simultaneously changed.

Abstract: A control mechanism for operating a backhoe is disclosed wherein the controls are adaptable to be configured in a selected one of a two lever system, a three lever system, or a four lever system. The control mechanism includes a first pivot axis on which the control levers are pivotally mounted and a second pivot axis on which a series of bell cranks are pivotally mounted. Various linkages interconnect the control levers with the bell cranks, and the bell cranks with hydraulic valve spools in a manner in which the valve body does not have to be reconfigured depending upon which the control system is utilized. The control levers are configured with a pivot casting having a bent control rod threadably received therein, the position of which is fixed by a lock nut permitting the control handle to be positioned in the orientation desired by the operator.

Abstract: A hand controller (10) is provided with which an operator can simultaneously control several degrees of freedom of a mechanism, for example a slave arm (18), single handedly. An operator's handle (12) is connected by four links serially arranged between the handle and elements (50, 48, 46, 42) to a platform (32), these links permitting rotation about three axes (A, B, C) and linear displacement towards and away from the platform (axis Z). The platform is connected by three parallel non-telescopic legs (34) to a base (30) so that the platform (32) (and so the handle 12) can be moved in directions (X and Y) perpendicular to the Z axis. Force and torque feedback may be provided to all motions of the hand controller (10).

Abstract: The hand assisted propulsion for a bicycle embodies special foot pedals which have their shafts extended. The shaft extension is engaged in a roller bearing at one end of a hand crank. At the other end of the hand crank is a handle used by the cyclist to augment the operation of the foot pedal. This provides hand and arm exercise to the cyclist as well as increasing the power driving the bicycle's rear wheel.

Abstract: A control unit for controlling the hydraulic system of a construction machine, such as a hydraulic shovel, having a structure capable of being simply and quickly changed from one setup for another setup suitable for a desired mode of control operation. The control unit comprises a control lever pivotally supported for movement in longitudinal and transverse directions, and first and second link rods for transmitting the operating force of the control lever to first and second hydraulic control valves when the control lever is shifted in the longitudinal and transverse directions, respectively. An operating force transmitting member is put on the control lever so as to be rotatable about the axis of the control lever, and a locking member is mounted on the control lever so as to be slidable along the axis of the control lever and so as to be unable to rotate relative to the control lever.

Abstract: In a lever system for vehicles, comprising an operating element for operating a master cylinder, an operating lever for actuating the operating element, the operating element and the operating lever being mounted on a lever holder attached to a steering handle, and an adjusting means interposed between the operating element and the operating lever for adjusting the distance between the operating lever and the steering handle, the operating element is pivotally supported on the lever holder through a first support shaft, and the operating lever is pivotally supported on the operating element through a second support shaft. This makes it possible to improve the fitting strength and assembling of the operating lever and the operating element without degradation of the appearance.

Abstract: A force multiplier mechanism comprising a base supporting member, a driving lever being pivotably connected by a first pivot means to said base supporting member which can be rotated about the first pivot for a predetermined angle between a first and second position thereof, a driven lever one end of which is pivotably connected to the free end of the driving lever by a second pivot, a follower pivotably connected to the other end of the driven lever which receives a multiplied force and transmits it to other member, said follower being supported remote from the second pivot means by a distance substantially equal to the distance defined between the first and second pivot means, and a guide means for guiding the follower coupled to the driven lever which forces the driven lever to rotate about the second pivot and in turn forces said follower along a continuous pathway to a point located close to said first pivot resulting in high force multiplication.

Abstract: A generally trapezoidal fin (22) is pivotally fastened to a casing which can receive the entire fin, permitting total retraction of the fin. The casing is formed with at least one notch (42) for selectively positioning the fin relative to the casing. In a preferred embodiment, the fin is operated by a lever member (26) which has a knob (50) at its distal end for use in positioning the fin (22) from above.

Abstract: A supporting apparatus for moving an attachment apparatus, such as a display apparatus, relative to a basic apparatus, such as a printing apparatus, to a desired position for an operator. A vertical shaft for supporting the display apparatus can be shifted from an engaging position to a release position by the rocking operation of an operation member around its supporting shaft through a pivot pin projecting from the bottom portion of the vertical shaft. At the release position, the vertical shaft is allowed free rotation, which in turn sets the display apparatus to the desired swivel position. At the engaging position, a swivel positioning means is enabled so as to prevent the rotation of the vertical shaft, thus fixing the display apparatus at the set swivel position.

Abstract: An improved adjustable control device for multi-lever hydraulic controls on earth-moving equipment, which conveniently and easily positions the control levers to accommodate different operators. The device includes a pair of spaced supports, a pair of axially aligned end members each movably mounted on one of the supports, a main shaft extending between the end members used for pivot mounting of the levers, and a device to adjust the end members on the supports. Parts are positioned and arranged such that end member adjustment moves the main shaft vertically, which in turn moves the range of control lever motion force or aft as desired.

Abstract: The present invention discloses an apparatus for hand operation of throttle and brake pedals including two (2) adjustable length rods having handles on one end and throttle and brake pedal engagement devices on the other ends, said rods are held together by an anchor bracket in close proximity, such that, the user of the apparatus can manipulate the brake and the throttle pedals with one hand.

Abstract: An improved foot-operated gearshift mechanism wherein a foot-operated pedal is operable to cause the pedal to move, generally, up or down. This movement, in turn, causes the gear-shift shaft to rotate so as to change gears. The improvement lies in providing a shifting lever assembly which has three sections. The first section is attached to the foot-operated pedal at one end and has an elbow at the other end. The second section proceeds to a second elbow. From that second elbow, the third section continues to a gearshift handle.

Abstract: A transmission for muscle-operated vehicles or appliances for converting forward and backward movements into rotational movement having a constant direction of rotation by means of two freewheeling devices which are driven alternately in opposite directions and act on a shaft in identical directions, wherein at least one additional freewheeling device is driven at the same time, though it operates in the opposite direction, a clutch mechanism either permitting the freewheeling devices to act in the same direction on the shaft for forward motion, or permitting the freewheeling devices to act in opposite directions on the shaft for reverse motion, or permitting none of the freewheeling devices to act on the shaft during idling.

Abstract: A device that fits on a gasoline pump nozzle handle for holding the valve open, instead the need of continuously squeezing the handle in a hand; the device, in one design, including a collapsible brace for pressing against the handle.

Abstract: An adjustable hand lever having a vertically adjustable tripod base, an adjustable fulcrum point and a grab link at the working end of the lever. The grab link accomodates and makes adjustable linked working chains.

Abstract: A brake control device for a bicycle is disclosed having main and auxiliary levers which are pivoted to a bracket fixed to the handle bar of a bicycle. The levers are mounted to be swingable independently of one another to swingingly move a wire hook which is integral with the auxiliary lever and which anchors one end of a brake control wire. The main lever is provided with an engaging member for swinging the wire hook upon main lever operation and between the engaging member and wire is provided an adjusting bolt for adjusting the relative position of the wire hook and engaging member. Adjustment of the adjusting bolt controls the distance between the grip portion of the auxiliary lever and the portion of the handle bar opposite thereto. An adjustment of the distance between the main lever and the portion of the handle bar opposite it can also be effected through the provision of an adjustable ratchet mechanism provided in association with the main lever.

Abstract: A method of welding a thermoshrinkable sheet comprises inserting between opposing faces of the sheet to be welded a piece of uncrosslinked resin tape containing peroxide, securing heat-resisting tapes on and adjacent outer faces of a welding portion of the sheet, and heating and pressing the welding portion.A device for use in the method includes a pressing plate having a heater, a receiving plate, a first link pivotally connected at one end to one end of the receiving plate and at the other end to the pressing plate, an operation lever pivoted on one end of the receiving plate, a second link pivotally connected to the free end of the operation lever and to the first link. The first and second links and the operation lever constitute a power amplifier mechanism in which the turning force of the operation lever is amplified to the pressure of the pressing plate through the second and first links.

Abstract: The present invention is addressed to a changeable gate plate means for use with lever control devices which have a mounting plate with an opening therein through which the lever arm of the control devices passes. The changeable gate plate means of the present invention comprises a cover means adapted to mount on said mounting plate of the control device and includes an opening therein substantially co-extensive with the opening in the mounting plate. The cover plate includes a gate plate receiving means located adjacent said opening for removably positioning a gate plate at said opening. The gate plate is positioned within the cover opening and receiving means and includes at least one detent in which the lever arm may travel. Means are included for mounting said cover to the mounting plate to complete the assembly in cooperation with the lever control device.

Abstract: A high voltage switch including a rotatable insulating column adjusted by means of an operating arm assembly including two bolt circles of equal radius and unequal spacing.