Abstract: A power generation control device for determining a crank position of an engine to reduce a start-up torque following an engine stop, enhancing startability, and reducing electric power consumption of a battery at start-up is provided. The power generation control device includes a magneto generator rotated by an engine, a generated electric current controller that rectifies an alternating electric current generated by the magneto into a direct current and supplies the direct current as a generated electric current to an electric appliance and controls a power generation amount to the electric appliance. A controlling section controls a power generation amount of a rectifying section.

Abstract: A hook shaft balance connection structure includes an operating element, a balance rod, and a connecting part. The operating element moves into a shell along the direction of the imposed force. The operating element includes a protrusion toward the direction of the force. The balance rod includes two axial parts and an eccentric part. The axial parts are on both ends of the balance rod, pivotally connected with the shell. The axes of them are on the same extension line. The eccentric part is disposed between the two axial parts, deviating from the axial parts by a predetermined distance. Its axis is parallel to those of the two axial parts. The eccentric part includes a first eccentric part in contact with the protrusion of the operating element and a second eccentric part by the first eccentric part. The connecting part includes a pushing part and two coupling parts. The pushing part is connected with the second eccentric part. The two coupling parts are connected to both ends of the connecting part.

Abstract: A remotely activated door lock and unlocking device adapted to convert doorknobs and/or deadbolt access locks to remote door access. The device is engageable over the existing doorknob and/or deadbolt lock to allow for remote rotation activation to unlock and open the door. A gear drive motor rotates the doorknob and/or deadbolt. The device can include visual and/or audio indicators related to door actuation and lock status from a remote location.

Abstract: The invention relates to a lock for an opening panel. The invention consists of: a rotary bolt (1) comprising first (7) and second (4) locking notches; a strike which can be engaged in the bolt (1) in order to lock the opening panel; a retaining pawl (3) comprising at least one tooth (2) which co-operates with the locking notches (4, 7) of the bolt (1) in order to lock same in relation to the first (7) or second (4) locking notch; and a switch (8) which is controlled with a control lever (9), said switch having two states which indicate if the lock is open or closed. In addition, the switch comprises a mechanical means (11) which co-operates with the control lever (9) when the lock is closed, such that the switch (8) indicates that the lock is closed only when the tooth (2) of the retaining pawl (3) co-operates with the second locking notch (4) of the bolt (1).

Abstract: A door opening device for heavy construction equipment is provided. The door opening device for heavy construction equipment is provided with a latch member rotating in a latch housing installed on one side of a door panel, and includes a latch control lever having a hinge part elastically supported on one side of an upper frame or a lower frame of a door, a handle extending from one side of the hinge part, and a yoke formed on the other side of the hinge part, the latch control lever forming a traction force on the yoke when the handle is rotated about the hinge part by an external force; a rotary shaft shaft-engaged with the latch member and having a swing part formed to extend to an outer side of the latch member, the rotary shaft rotating in a body with the latch member so that the latch member is released by the traction force of the latch control lever; and a traction cable having one end fixed to the yoke of the latch control lever and the other end connected to the swing part of the rotary shaft.

Abstract: A magnetic self-latching device for a gate has a main body with handles on either side for operation or has an arrangement to be remotely actuated, for example electrically. A latching body has a high strength magnet usually provided at the bottom of a cavity which defines a latching shoulder. The latching body is adapted to be fixed to a gate post. The main body, with its housing, can be mounted on the gate frame and incorporates a latch pin which, in the door-closed position, is displaced by magnetic attraction to an extended latching position and against the biasing of a return spring. The gate cannot be opened until actuation of the mechanism occurs, for example by rotating a handle to retract the pin against the magnetic force; the gate can then be swung open. When the handle is released, the biasing spring retains the latch pin in a retracted position.

Abstract: A fast operating, free egress latch system is provided with a cam having three distinct surfaces. One of these surfaces has a concave inner cam region for receiving a window latch pin. Another of these surfaces serves to prevent inadvertent relocking of a window, skylight, door, etc. once it has been opened.

Abstract: A device for locking a sliding panel of a motor vehicle, which panel is mobile with respect to a stationary structure, including means for actioning of bolt(s), which are mobile with respect to said sliding panel and capable of adopting at least three positions: a resting position, in which said bolt(s) is (are) in a locked state with one of said complementary locking elements; and two unlocking positions, called left and right, in which said unlocking positions implement transmission means acting on said bolt(s), which are mounted symmetrically with respect to an axis perpendicular to the sliding axis of said sliding panel, so as to create similar actions on said bolt(s) in each of said locking positions, and to allow, in the same movement of a user: the change from the resting position to one of said unlocked positions; the sliding movement of said mobile panel in one or the other sliding directions, called right and left, according to the locking position selected.

Abstract: A motor vehicle shell structure has longitudinal side members which extend from a wheel arch along the outer shell structure in the direction of travel and a bumper arrangement arranged in front of the wheel arch in the direction of travel and having a cross member and an energy absorbing element. A safety device for a motor vehicle shell structure which increases the safety of vehicle occupants is achieved by arranging the energy absorbing element is arranged on the cross member at the height of the wheel arch so that it extends between the cross member and the wheel arch.

Abstract: A B-shaped tubular reinforcement beam for vehicle bumper systems has a constant B section and longitudinal sweep. The tubular beam has a vertical cross section defining at least first and second tubes connected by a center web, and a front wall that extends across the tubes and the center web to define a channel. The channel has a depth dimension (D1) to the center web of about 15-30 mm, and preferably about 20 mm depth. The first and second tubes on their channel-side portion each include a section of wall defining a radius (R1) that is between about 15-30 mm, and preferably 25 mm.

Abstract: A handling for components having a similar shape, particularly motor vehicle body parts, wherein a gripper on an arm of a robot can grip the component and its similarly-shaped other components with one and the same clamp device without re-tooling, is equipped with two gripper chucks on each clamp device. However, only one gripper chuck can be steered into the grab positions in each case, while the other gripper chuck is then located in the parking position outside a grab area on the component.

Abstract: A portable propane tank carrier system is provided which includes a tank carrier, stabilizer ring, and tank neck cover. The tank carrier includes a rectangular main tank cover panel, and upper and lower radial sidewall panel. The tank carrier closely conforms to the shape of a portable propane tank while providing an upper opening adapted to receive a neck portion of the tank and a lower opening adapted to receive a tank base ring portion of the tank. The stabilizer rings may be attached to the bottom of the tank carrier to prevent the tank from tipping over.

Abstract: An extendible secondary living space for a vehicle. The extendible living space may move from a retracted position in which it is substantially integrated within or in close proximity to a primary living space of the vehicle, to an extended position in which it provides an open-air porch or balcony accessible from the primary living space. The extendible living space may be extended from any wall of the vehicle, such as a side wall or rear wall, and may be particularly well suited for use in motorized recreational vehicles.

Abstract: A dashboard of a vehicle includes an accommodation unit provided at a longitudinal end of the dashboard and positioned adjacent to a door and a side mirror located outside the door adjacent to the accommodation unit, the accommodation unit configured to receive an article, and the accommodation unit including a lid, wherein the lid is configured to stand up adjacent to the side mirror when in an open position.

Abstract: Embodiments of a vehicle door structure are provided, wherein the door structure comprises a door panel configured to couple to a vehicle frame. The door panel comprises at least one clip receptacle disposed on a lower portion of the door panel. The vehicle door structure comprise a molding component comprising at least one clip, wherein the molding component is flush mounted to the lower portion of the door panel, wherein the at least one clip engages the least one clip receptacle of the door panel.

Abstract: A retractable hardtop for a vehicle is disclosed that includes a unitary roof panel, an active rear window and a four bar link. The four bar link includes a pair of buttress panels and a pair of rear rails that are connected to the roof panel and the vehicle. No structural members of the retractable hard top interconnect the lower portion of the buttress panels or the rear rails between the pivot connections to the roof and the pivot connections to the vehicle.

Abstract: A vehicle is provided having a sensor for detecting a vehicle occupant's presence, and another sensor for detecting an owner's response with respect to automatically opening a vehicle closure panel. An actuator opens the closure panel when the occupant's presence and response are detected. A signal from an emitter outside the vehicle signals occupant presence. A photoelectric and/or optical device, audio receiver, and/or touch-sensitive sensor detects the response. The optical device projects a light beam, and breaking the beam with a gesture signals the response. An automatic closure panel opening apparatus has an RF receiver adapted to receive an RF signal to detect occupant presence, a sensor for detecting the occupant response, and an actuator for opening the closure panel when both the presence and occupant response are detected.

Abstract: A vehicle is provided having an automatic swinging side door with an actuator for opening and closing the door. A controller has an algorithm for moving the actuator, a sensor for detecting an obstacle via contact with the door; and a sensor for detecting the obstacle without contact with the door. The controller interrupts movement of the door when the obstacle is detected. The door has a measurable and selectable opening angle. A hydraulic pump actuates the actuator using fluid pressure, and a hydraulic fuse monitors flow through a bypass valve to detect the contact. A method of opening a side-swinging vehicle door includes recording a door opening angle; detecting a door operating mode, opening the door when one mode is detected; closing the door when a second mode is detected; and opening the door to the recorded angle when a third mode is detected.

Abstract: A pillar trim on the vehicle-interior side of a pillar includes a pillar trim body located below an airbag and connected at its upper end part to the lower end of a top sealing member. A plurality of guide platforms are raised from the upper end part of the pillar trim body at spaced intervals in the vehicle front-to-rear direction to guide the inflation of the airbag towards the vehicle interior. The basal ends of each adjacent guide platforms are joined by a connecting part between the adjacent guide platforms. A groove for receiving the lower end of the top sealing member is formed between the vehicle-interior sides of the guide platforms and the pillar trim body. A through hole is vertically formed at least between the connecting part and the pillar trim body to open into the groove.

Abstract: A door opening and closing apparatus for a vehicle for opening and closing a rear hatch including a rear hatch main body and a movable panel, the door opening and closing apparatus includes a lock portion provided between the rear hatch main body and the movable panel, an actuating mechanism provided between the rear hatch main body and the movable panel and causing the movable panel to move between a retracted position and an extended position, a controller connected to the lock portion and the actuating mechanism and controlling the lock portion and the actuating mechanism so that the lock portion is unlocked and the movable panel moves towards the retracted position, and a switch connected to the controller and serving as a trigger for controlling the lock portion and the actuating mechanism by means of the controller.

Abstract: A trailer fairing for reducing aerodynamic drag from trailer landing gear and/or wheel assembly is disclosed. The fairing may be directly connected to the forward facing structural supports of the landing gear, and an air tank may be located between the fairing and the cargo storage area. A single fairing may be used to reduce the drag from both the trailer landing gear and wheel assembly. The fairing may include a tapered front section and/or a rear section. The fairing may have rounded, oval, angled, and/or tapered sections. A plurality of fairings may also be used.

Abstract: Disclosed is a rotatably-mountable bumper configured for rotatably and ergonomically mounting to a mounting member for cushioning the contact between the mounting member and a potentially interfering member. The bumper transmits reactive forces between two members, such as a vehicle hood and grille, if portions of one member over travels. A fastening member on the bumper rotatably engages an aperture on the mounting member to secure the bumper to the mounting member. A registration member on the bumper retentively holds the bumper in rotatably-mounted engagement with the mounting member.

Abstract: The invention relates to a support element (4) which can be mounted to an upper beam of the chassis of a motor vehicle. The inventive element comprises a body (6) and at least one upwardly-projecting breakable protuberance (7A, 7B) to which a front fender of the vehicle is to be fixed. The protuberance (7A, 7B) comprises: at least one front wall (28) which is connected to the body (6) by means of a frangible area (26), a rear wall which is also connected to the body (6) by means of the frangible area (26), and a third wall (29) which is connected to the body (6) by the frangible area (26) and which solidly connects the front wall (28) and the rear wall to one another.

Abstract: An interior part for a vehicle including a first rib(s) extending on the side that faces a vehicle body at a time of mounting the interior part to the vehicle body, and a second rib(s) extending to cross the first rib, in which an inserting portion(s) that is inserted into an opening(s) provided in the vehicle body is formed at portion(s) where the first rib and the second rib cross each other and projects toward the vehicle body, and this inserting portion(s) is provided with a third rib(s) that extends toward the vehicle body from the first rib and a fourth rib(s) that extends toward the vehicle body from the second rib.

Abstract: A front vehicle body structure including: a hood ridge provided on a side in a vehicle width direction of a front vehicle body; a suspension support member for supporting a suspension of a vehicle, provided on an inner side in the vehicle width direction of the hood ridge; and a concave portion provided on a lower surface of the hood ridge at a location close to the suspension support member.

Abstract: Various aspects of the present invention relate to a vehicle seat assembly supportable on a floor of a vehicle having a battery pack disposed behind the vehicle seat, operable to help cool the battery pack, a vehicle battery pack cooling system, and a method of cooling a vehicle battery pack. In at least one embodiment, the vehicle seat assembly comprises a seat bottom comprising a structural support portion made of a first material and a foam seat cushion supported on the structural support portion, with the first material being more resilient than the foam. The structural support portion is supportable on the vehicle floor and, when supported on the floor, communicates with the vehicle floor to form an air flow passage extending under the seat bottom to provide air flow to the battery pack.

Abstract: The invention relates to an item of transformable furniture, more particularly to an item of furniture transformable from a chair into a desk and vice versa, from a desk into a chair. The item of transformable furniture comprises a first plate (5) and a second plate (6), linked to each other by a hinge joint (4), where said two plates can rotate respectively round first and second horizontal (2, 3) axes so that the plates can be moved from a first position as seat and back, respectively, to a second position as front panel (17) and worktop (18), respectively, and vice versa. Said plates are linked by said first and second horizontal axes to a supporting construction, which consists of at least three interconnected folding elements (1, 1?, 19).

Abstract: A seat cushion having a pull-out tray is disclosed. The seat cushion is configured to flex so as to conform to the contour of a support surface, such as a stadium seat. The tray is configured to hold food, beverages and other articles.

Abstract: A seat for a child that is engageable to an edge portion of a table and that is tuckable to an out-of-the-way position under the edge of the table. The seat includes jaws for engaging a base of the seat to the table. The seat includes a child seat frame on which the fabric of a child seat is engaged. Between the base and the child seat frame is provided a slide and a pivot. The slide permits the child seat frame to be drawn to and away from the table. The pivot permits the child seat frame to drop down in a swinging fashion and then, beyond the ninety degree bottommost point of the swing, continue its swinging so as to swing upwardly to a position underneath the table where the child seat frame is engaged in an out-of-the-way position underneath the table.

Abstract: A vehicle ventilation system, the system may include a generating source of compressed air; a receiver to receive and store the generated compressed air; a plurality of tubular members formed or extending through a cushion of the vehicle seat to a location proximate a contact surface of the seat, wherein the plurality of tubular members air in fluid communications with the receiver; and one or more valves for controlling the flow of air to the plurality of tubular members.

Abstract: A jockey seat assembly is adapted to be used on a motorized vehicle and includes a saddle seat having a substantially inverted U-shaped configuration. A height adjusting mechanism is provided for the seat and has an upper frame mounted beneath the saddle seat, a lower frame adapted to be secured to a bottom surface of the vehicle and a collapsible lever assembly interconnected between the upper and lower frames. A biasing arrangement is secured between outermost ends of the lever assembly in the upper frame and the lower frame for urging the upper frame and the seat away from the lower frame. A pair of adjustment plates are fixed externally to the lever assembly and provided with a series of slots defining a number of vertical height adjusting positions. An actuator extends forwardly of the seat and the upper frame and is pivotally connected to the upper frame.

Abstract: An air bag deployment system for use in a vehicle is disclosed have a frame, an air bag, a first deployment chute portion, and a second deployment chute portion. The frame is securable within the vehicle for use therein defining a support structure and a channel therethrough. The air bag is disposed within the support structure of the frame. The air bag deployment mechanism is operatively connected to the air bag. The first deployment chute portion is provided at least partially disposed in and securable adjacent the channel by at least one retainer. The second deployment chute portion at least partially disposed in and securable adjacent the channel by at least one retainer. The first and second deployment chute portions partially support the air bag and assist the air bag to move from a stored position to at least one deployed position when activated by the deployment mechanism.

Abstract: The invention relates to a seat, especially for a vehicle, said seat being provided with flat wiring that is easy to mount in and/or on a support.

Abstract: A head rest rear portion is supported to a seat back. A head rest front portion is movable forward and backward between a full-close position that is brought into contact with or close to the head rest rear portion and a full-open position that is a predetermined distance away from the head rest rear portion. A drive mechanism moves the head rest front portion. A detection sensor provided in the head rest front portion includes an electrode having a head portion detecting antenna electrode for detecting a head portion of an occupant at a time when the head rest front portion moves in the full-open position direction, and a finger detecting antenna electrode for detecting a finger of the occupant in a rear seat or the like at a time when the head rest front portion moves in the full-close position direction.

Abstract: A child seat anchoring device for anchoring a child seat to a vehicle body includes first and second tether belts, a connecting member connecting the first and second tether belts, a housing of the connecting member, and first and second shafts in the connecting member. One of the first and second shafts is a tension driven shaft movable by a tension. An urging member is provided for urging the tension driven shaft, and a see-through portion is provided with the housing. A tension indicator having an indicating portion faces the see-through portion. The other of the first and second shafts serves as a locking shaft movable toward the tension driven shaft. The housing further includes a pressing member, a clamping portion for clamping the tether belt, and an operating portion for moving the locking shaft.

Abstract: A chair includes a lower back frame, a back construction, including a back support attached to the lower back frame, a cushion assembly attached to the back support, and a vertically adjustable lumbar frame positioned between the back support and the cushion assembly. The lumbar frame includes a transition shell and a vertically sliding lumbar device having a plurality of horizontal flexible wires. A lower edge of the transition shell is positioned on top of an uppermost horizontal flexible wire of the lumbar device. The lumbar device is operably slidably mounted between the outer shell and cushion assembly and the transition shell upper edge slides between the outer shell and the upholstery cushion assembly. Also disclosed is a chair including a Y-shaped lower back frame having two uprights and a cross-piece attached to the back support. The uprights and cross-piece of the lower back frame include an overlap flange and the back support includes a channel-shaped flange having detents.

Abstract: A seat system has separate air bladders in the seat bottom and seat back. The seat bottom bladder is in fluid communication with the seat back bladder through a plurality of rigid interconnecting tubes, and valves in the tubes or orifice size can control flow rate of air exchange between the seat bottom bladder and the seat back bladder. A panel of resilient, compressible open cell foam extends in each of the seat bottom bladder and the seat back bladder. Through-holes in the foam panel permit accelerated air evacuation to the other bladder when the seat withstands a significant shock event. The vibration and shock attenuation characteristics of the seat are jointly provided by the panel spring force and the bladder air pressure.

Abstract: A chair device which can consist of a multiple part secondary seat mechanism which can be incorporated into an elevator chair which can also have an anti-tipping design feature, and related method.

Abstract: A seat lock device for fixing a rotatable seat back of a rear seat to a vehicle body includes: a striker which is disposed in the vehicle body; a lock mechanism which includes a base plate which is mounted to a seat back frame inside the seat back and has an engagement groove engaging with the striker, a latch which holds the striker in the engagement groove, a ratchet which maintains the latch in a lock direction and a release lever which moves the ratchet in a lock release direction; and a rod spring of which one end is attached to the seat back frame and of which the other end is bowed while coming into contact with the striker during a locking operation.

Abstract: A vehicle seat arrangement includes a rail and a seat body slidably mounted on the rail having a seat component and a backrest pivotally connected to the seat component. The backrest pivots between a generally upright position and a forward tilted entry position. The seat body moves between a sitting position and an entry position. A blocking member obstructs the seat body from moving rearward of the sitting position. A locking mechanism moves between a locked position that restrains the seat back in the forward tilted entry position and a release position that releases the seat back to return to the generally upright position. The backrest acts as a lever such that a force applied to the backrest in a direction toward the sitting position is transferred through the backrest to the locking mechanism moving the locking mechanism from the locked position to the released position.

Abstract: A vehicle seat arrangement includes a seat component that is adapted to be slidably attached to a vehicle and configured to move between a sitting position and an entry position. A backrest is pivotally connected to the seat component and pivots about an axis A between a seating position and a tilted entry position. A locking mechanism releasably locks the backrest in the tilted entry position. The locking mechanism has a slotted link that is fixed with respect to the seat component. The slotted link has a locking edge. A locking group moves with the backrest and is configured to contact the locking edge. The locking group has a principal element that pivots relative to the backrest about an axis B. A lock bar is configured to pivot with respect to the principal element about an axis C and to engage the locking edge.

Abstract: The present invention provides a seat apparatus having: a seat back; a forward tilt device that allows at least a portion of the seat back to tilt forward; a securing device that secures the seat back at a vehicle body side; and a release strap that is used for releasing a securing condition of the securing device and has a grip portion. The release strap has a first condition in which the grip portion is positioned at a rear side of the seat back and a second condition in which the grip portion is positioned at a portion so as to be accessible from a front side of the seat back, and one of the first condition and the second condition of the release strap can be selected.

Abstract: Disclosed herein is an automotive headrest, which is constructed so that the automotive headrest is not tilted, but is displaced in a straight line in only one direction in a rectilinear motion, and is then returned to its original position. The automotive headrest includes a stay rod having vertical parts secured to a seat, and a horizontal part coupling the vertical parts to each other. A horizontal guide frame is secured to the horizontal part of the stay rod. A ratchet slider is movably mounted to the horizontal guide frame. A ratchet pawl locks or releases the ratchet slider. A tension spring returns the displaced ratchet slider to its original position. A ratchet spring provides tensile force to the ratchet pawl.

Abstract: A head restraint includes at least one post adapted to engage a vehicle seat. The head restraint assembly also includes a bun which is moveably attached to the at least one post. A locking clasp is fixed relative to the bun and has an open configuration and a closed configuration. The open configuration allows movement of the bun relative to the at least one post to a position between a first and second position. The closed configuration inhibits movement of the bun relative to the at least one post.

Abstract: A vehicle armrest positioning assembly (12) for adjustably positioning a vehicle armrest (10) on a vehicle seat frame (14) includes an elongated adjuster (20) that provides armrest positioning and is released by a release actuator (44) a release mechanism (42) to permit angular adjustment of the armrest positioning. The adjuster (20) includes a housing (22) that positions an adjusting rod (24) by a helical lock spring (32) to control the armrest positioning and adjustment.

Abstract: A vertically adjustable, armrest includes a tubular support constructed for attachment to a chair, an armrest assembly telescopingly positioned in the tubular support, and a height adjustment mechanism slidably received in the armrest assembly. The armrest assembly includes a sleeve and a post. The sleeve includes an opening adapted to receive an operative member on one side. The post includes positional detents extending down the length of a first vertical surface. The height adjustment mechanism includes an actuator rod, an operative member, a locking member, and a resilient member. The actuator rod includes an angled ramp, an inclined surface, and a pair of angled surfaces and the locking member includes teeth which selectively mate with the post detents, an inclined surface, and at least one pair of lateral followers.

Abstract: A novel salon chair having a novel movable footrest assembly with a sliding or pivoting footrest which replaces a conventional rigid tubular one-piece footrest typical of salon chairs. The salon chair includes a chair portion structured for being elevated above a floor surface, the chair portion having a seat portion elevated on a support portion and a seat back portion. A footrest portion has a foot support portion that is movable between an extended configuration relative to the seat portion of the chair portion, and a retracted configuration relative thereto. An actuator mechanism coupled between the chair portion and the footrest portion is structured for moving the foot support portion between the extended and retracted configurations.

Abstract: A vehicle seat that embodies a foot support assembly that is movable from a stowed position proximate the seat back to a deployed position wherein the assembly extends rearwardly of the seat. The foot support assembly of the vehicle seat includes a sub-assembly that comprises a pair of side-support members that support a footrest, the sub-assembly being positioned so as to automatically pivot downwardly as the foot support assembly is moved into its deployed position. The footrest is pivotally connected to the pair of side-support members for movement from a stowed position between the side-support members to a deployed position wherein it extends outwardly from the side-support members.

Abstract: A chair includes a lower back frame, a back construction, including a back support attached to the lower back frame, a cushion assembly attached to the back support and a clip wedgingly engaged between the back support and the cushion assembly. The cushion assembly further includes an inner shell which includes two or more apertures and a hook extending downwardly and outwardly from each aperture. The clip further includes at least one angled ramp and at least one stop. The angled ramp is configured to allow the hook of the inner shell to slide through the angled ramp and the stop is configured to suspend sliding of the hook. Methods of assembling a back construction are also provided.

Abstract: The invention relates to a cutter head for a ground cutter machine having at least one cutter motor. Each cutter motor comprises: two hydraulic motors, each comprising a stator and a rotor and having a common axis; a single shaft extending along said common axis and having two ends; two cutter drums mounted to rotate; two transmission assemblies for drivingly connecting each end of the common shaft to one of said cutter drums; and mechanical members for constraining the rotor of each hydraulic motor directly in rotation with the transmission assembly corresponding to the cutter drum that is closer to the hydraulic motor.