Abstract: A disposable comfort sheet has a waterproof layer and an absorbent layer, with adhesive strips applied to the waterproof layer along side edges. The sheet is adapted for use with a patient transfer device having upper and lower counter-rotating belts, and protects the upper belt against contamination. The patient transfer device may have registration marks for installation of the sheet, and indicator marks can be printed at predetermined locations on the waterproof layer for alignment with the registration marks. The sheet may include various means for indicating prior use by a patient, such as an ink pattern made of a heat-sensitive or moisture-sensitive ink. The sheet may further include a peel-away layer releasably bonded to the absorbent layer, with additional longitudinal adhesive strips applied to the side edges of the peel-away layer. The peel-away layer protects the lower belt against contamination from the sheet after a patient is delivered.

Abstract: A hospital bed includes a frame including connected first and second sections, a head plate connected to the first section of the frame, a tail plate connected to the second section of the frame, a first lifting unit for lifting and lowering the first section of the frame relative to the head plate, a second lifting unit for lifting and lowering the second section of the frame relative to the tail plate, an axle connected to the first lifting unit, a crank connected to the second lifting unit, a hanger for hanging the axle to the frame, and a gear assembly for connecting the axle to the crank so that the crank is operable to spin the axle to actuate the first and second lifting units.

Abstract: An enclosure for preventing certain organisms from escaping from an item susceptible to infestation into the surrounded environment and for preventing certain organisms from entering the item susceptible to infestation from the surrounding environment. The enclosure is defined by a flexible sheet material defining an interior space. The enclosure comprises a slit-like opening formed in the flexible sheet material through which an item susceptible to infestation can be inserted into the interior space defined by the enclosure.

Abstract: A body support platform for supporting a human body, comprising one or more body support unit(s), the or each support unit comprising a plurality of columns, each column comprising a stack of fluid-fillable substantially spherical resilient balls, each ball of a respective column being physically and fluidly connected only to the adjacent ball(s) within said column, such that a column may be compressed substantially independently of a neighboring column; and a base providing a primary fluid reservoir; wherein said columns are arranged in an array across said base; and each of aid columns is connected to said base, such that the lowermost ball of each respective column is directly fluidly connected to said primary fluid reservoir; and wherein the uppermost ball of respective columns collectively define a body support surface.

Abstract: The invention generally relates to a mattress or a mattress pad with one or more gel sections. The gel section may provide improved support and comfort at a localized area of a mattress or a mattress pad.

Abstract: Shoe upper having a lower end of the upper, an outer material with a lower end (19) of the outer material, a waterproof functional layer (16), which has a lower end region of the functional layer with a functional layer zone (20) not covered by outer material, and a connecting band (17), which extends in the direction of the periphery of the upper, has a upper longitudinal side (23) of the connecting band, joined to the end (19) of the outer material, and a lower longitudinal side (25) of the connecting band, at least partially overlaps the functional layer zone (20) and consists of liquefiable sealing material or of material through which liquid sealing material (37; 41) can flow, the connecting band (17) having at points of curvature of the lower end (19) of the outer material an arcuate shape corresponding to the local radius of curvature, with different degrees of curvature of the two longitudinal sides (23, 25) of the connecting band, in such a way that, for an arc sector lying in the respective curvatur

Abstract: An automated self-propelled pool cleaner having a housing, a water pump for moving water through the housing, drive means for moving the pool cleaner over the surface of the salt water pool to be cleaned, and an integral electrochemical chlorine generator mounted in the housing, includes a processor/controller that is programmed to activate the chlorine generator, the pump and drive means in predetermined operational sequences that minimize wear and tear on the water pump and drive means, while at the same time distribute and maintain a safe level of sanitizing chlorine in the pool, to thereby obviate the need for an in-line chlorinator or other chemical additive treatments; an optional automated sensor device can be provided to activate a secondary maintenance program which enables the pool cleaner to operate over prolonged periods of time as the sole means for filtering and sanitizing the pool water.

Abstract: Advantageous apparatus, are provided for facilitating maintenance of a automated pool cleaning device. More particularly, an improved automated pool cleaning device is provided, according to the present disclosure. The device, generally, includes a facially accessible quick-release roller assembly, a bucket-type filter assembly, and a windowed top access lid assembly. The improved roller assembly and filter assembly are easily accessible for maintenance purposes. Furthermore, the windowed lid assembly provides visual feedback as to when the filter assembly needs to be cleaned.

Abstract: An assembly used to scrape clean a vent pattern with a blade and catch or the scrapings.

Abstract: The invention relates to a cleaning device particularly for grassed areas. The cleaning device includes a cylindrical brush in contact with a rear roller to clean the roller. The brush can be adjusted to a working height relative to the chassis of the device, along an arcuate path having a center situated on the longitudinal axis of the roller.

Abstract: The invention relates to a process for producing a toothbrush having a body, which comprises a handle region, a head region and a neck region located between the handle region and the head region, and having functional elements which are arranged, at least in part, within the body and comprise an electrically operated functional unit and an electric supply device which has an energy store and is intended for the functional unit, in the case of which the body is produced, by injection molding, from at least one hard component, which serves as a reinforcement, and at least one soft component, and at least some of the functional elements, during the production of the body, are encapsulated, at least in part, directly by the plastic which forms the soft component.

Abstract: A towel assembly for suspension from a golf push cart handle, the towel assembly including an absorbent fabric sheet having an upper end, a lower end, a lateral side, an oppositely lateral side, a rearward surface, and a forward surface; a vertical fold extending the fabric sheet's lateral side forwardly and oppositely laterally; a horizontal fold extending the fabric sheet's upper end forwardly and downwardly; snap fasteners connected operatively to the fabric sheet, the snap fasteners being adapted for, upon positioning the golf push cart handle beneath the horizontal fold, alternatively enveloping the golf push cart handle for the towel suspension, and releasing the golf push cart handle; and embroidered logo indicia positioned upon the fabric sheet's rearward surface.

Abstract: A preferred embodiment of a caulk tool comprises a body member having a raised handle and two working heads. The first working head is adapted for the application of caulk and is connected to the first descending end of the raised handle. The first working head preferably comprises a triangular member formed of soft plastic material. The triangular member is rotatable, having three tips of varying size. The second working head is adapted for the removal of old caulk and is connected to the second descending end of the raised handle axially opposed to the first working head. The second working head preferably comprises a metallic head having two tips suited to remove old caulk. In a preferred embodiment, a third working head in the form of a flat scraper is positioned adjacent to said second working head.

Abstract: A whisk wiper 30, a device having a flexible central portion defining a plurality of intersecting slits 32 angularly disposed in an asterisk type pattern, for mounting onto a whisk 46 having angularly disposed loops 44. It is pulled down over the loops 44, each loop 44 guided through a slit 32. To clean off mixture 50 stuck to the whisk 46 the whisk wiper 30 is simply pulled off, the opposed edges of each slit 32 functioning as squeegees, wiping the loops 44 clean, the removed mixture 50 collected on the top side of the whisk wiper 30 so it can be then returned to the mixing bowl 52. Additionally the whisk wiper 30 is a splash guard, support to hang the whisk 46 on the edge of a mixing bowl 52, keeps the whisk's loops 44 up off the surface when the whisk 46 is set down and the outer edge 40 can be used to wipe out the mixing bowl 52.

Abstract: The invention provides a device for linking (10) a windscreen wiper blade with an arm driving the wiper blade into a wiping movement, which is connected to a connector (12) for the joint-mounting of the wiper blade with the arm about a transversal axis (A), the linking device (10) being fastened to the wiper blade and being mobile for pivoting with respect to the connector (12) about said transversal axis (A), characterized in that the linking device (10) includes a portion (30) able to abut against a component (24) of the connector (12) for limiting the amplitude of the pivoting of the linking device (10) with respect to the connector (12) about the transversal axis (A).

Abstract: A windscreen wiper device comprising an elastic, elongated carrier element, as well as an elongated wiper blade, which can be placed in abutment with a windscreen to be wiped, which wiper blade includes at least one longitudinal groove, in which groove a longitudinal strip of the carrier element is disposed, which windscreen wiper device comprises a connecting device for an oscillating arm, wherein the oscillating arm is pivotally connected to the connecting device about a pivot axis near one end, with the special feature that the longitudinal groove has a closed circumference, wherein the connecting device is connected to the wiper blade.

Abstract: A windscreen wiper device comprising an elastic, elongated carrier element, as well as an elongated wiper blade of a flexible material, which can be placed in abutment with a windscreen to be wiped, which wiper blade includes at least one groove, in which groove a longitudinal strip of the carrier element is disposed, with the special feature that ends of the wiper blade are connected to a respective connecting piece, which windscreen wiper device comprises a connecting device for an oscillating wiper arm, wherein at least one connecting piece comprises engaging members sidewardly engaging the wiper blade from the outside, wherein the engaging members comprise retaining features for retaining the the wiper blade onto the connecting piece.

Abstract: The present invention is a door closer for controlling the rate a door is closed. The door closer includes a tubular cylinder closed at a first end. Slidably mounted within the tubular housing is a rod assembly that includes a piston at a first end. As the rod assembly is moved through the cylinder, air is drawn into and expelled from the cylinder. A hold open bracket is mounted on the rod assembly for locking the position of the rod assembly with respect to the cylinder. A pair of springs is mounted on the rod, one on each side of the hold open bracket, to maintain the hold open bracket in a neutral position in normal operation. A cover is slidably mounted over the second end of the cylinder to move the hold open bracket to a locked position.

Abstract: The present invention relates to a door closer comprising a cylinder body and a telescopic rod, wherein a one-way air intake valve is provided in the cylinder body to take in air in one way in an internal cavity of the cylinder body when the door is opened. The internal cavity of the cylinder body is divided into two automatically pressurizeable and automatically compensatable air cavities. When the door is opened or closed, the air inside the internal cavity of the cylinder body flows cyclically in the two air cavities. The door closer ensures air substantially flows cyclically in a cylinder body, reduces pollution caused by dusts in air into and out of the cylinder body to the lubricant oil in the cylinder wall, guarantees the lubricating effect of the lubricant oil, enables the door closer to operate normally and effectively prolong the service life of the door closer.

Abstract: A soft-closing device has a base, a cylinder, a slider and a resilient member. The base has a track channel and at least one guiding channel. The cylinder is mounted in the base and has a housing and an expansion rod. The slider is mounted slidably in the track channel, is connected pivotally to the expansion rod and has two holding arms, a positioning pin and a holding recess defined between the holding arms. The positioning pin is mounted slidably in the at least one guiding channel. The resilient member has two ends connected respectively with the base and the slider.

Abstract: The invention relates to a damping device for damping an opening and/or closing motion of a furniture fitting. The damping device includes a restoring mechanism, by which an actuating element of the damping device can be moved into a starting position of the subsequent damping stroke after damping has been carried out. The location of the starting position of the actuating element can be set relative to the damping device by an adjusting unit. The actuating element of the damping device is rotatably supported, and the adjusting unit can be used to adjustably limit the restoring stroke of the actuating element relative to the damping device.

Abstract: A hanger includes an elongated member having a rod with a plurality of positioning portions spaced in a vertical direction. An engaging portion is formed on a bottom of the rod for engaging with an engagement portion. A coupling block includes a connecting head. The coupling block further includes a body and a resilient plate that are located below the connecting head. The body and the resilient plate together define a passageway having an opening in a lower end thereof. The rod is slideable in the passageway in the vertical direction. The resilient plate includes a free end having a hook that is spaced from the body. At least a portion of the hook extends into the passageway. The hook is releasably engaged with a selected one of the positioning portions. The resilient plate is operable to disengage the hook from the positioning portions.

Abstract: A convertible wheeled luggage handle comprises a housing holding a movable swivel handle, and the swivel handle is locked from moving outside the housing by a spring-loaded detent pin engaging a hole, and this detent pin can be raised from the hole freeing the swivel handle to pivot outside the housing by a retainer pin driven through the width of the swivel handle at the housing, and each end of this retainer pin protrudes slightly from each side of the swivel handle, and these protruding ends correspondingly sit into two accommodating slide members located along opposite lengths of the walls locking the swivel handle to the housing, besides locking and being the pivot point for the swivel handle these protruding pin-ends from the retainer pin have the additional function of sliding the swivel handle along the slide members in order to position the swivel handle outside/perpendicular to the housing.

Abstract: A spring hinge between a bow (2) and a bow cheek (1) of a pair of spectacles is described, having a cheek-side hinge part (3), which forms a bearing fork (6), having a bow-side hinge part (4), which is mounted so it is rotatable in the bearing fork (6) by a hinge axis (5), and having a U-shaped sliding part (9), which supports the bow-side hinge part (4), and which is guided so it is displaceable in a recess (10) of a bow-side housing (11) in the bow longitudinal direction and receives a coiled spring (15) between its two legs (14), which is supported on one side on a web (16), which connects the two legs (14) of the U-shaped sliding part (9), and on the other side on a buttress (17), which engages through a through opening (19), which runs coaxially to the coiled spring (15), in the bow-side hinge part (4) in a nut thread (18) of the housing (11), which is coaxial to the coiled spring (15).

Abstract: A hinge assembly includes a first member configured to be coupled to a door, a second member configured to be pivotally coupled to the first member, the second member having first and second mounting surfaces, and a mounting bracket configured to be coupled to the body. The mounting bracket may be at least partially located between the first and second mounting surfaces, and the second member may be adjustable relative to the mounting bracket to enable adjustment of the door relative to the body.

Abstract: A self-closing hinge comprises a stationary assembly comprising a hollow cylindrical tube having a first end and a second end having a clutch stationary assembly secured thereto. The hinge further includes a first torsional spring positioned within said tube and secured at the first end thereof, and has a pin secured at a second end of said first torsional spring whereby said spring biases said pin in a first direction and whereby said pin rotates to engage said clutch assembly at a at least one point. A rotating intermediate tube assembly comprises a generally hollow cylinder having a first end positioned over said stationary assembly, and a second end having a clutch rotating assembly, whereby said pin of said torsional spring engages said clutch rotating assembly at a point.

Abstract: A breakaway hinge receptacle includes a base including first and second hinge arm mounting structures. The second hinge arm mounting structure is movable between an operative position and a breakaway position. A breakaway lever is connected to the base and includes inner and outer ends, wherein the inner end is operatively engaged with the second hinge arm mounting structure. A spring is operatively engaged between the breakaway lever and the base. The spring biases the breakaway lever to a first position in which the inner end of the breakaway lever biases the second mounting structure to its operative position. The second hinge arm mounting structure is selectively movable from its operative position to its breakaway position against the biasing force exerted by the inner end of said breakaway lever and the spring. Alternatively, the second hinge arm mounting structure is defined by or is connected to or is otherwise included on the inner end of the breakaway lever.

Abstract: A rotation control device is configured so that a spring force of a torsion coil spring holds an attitude of a rotation body at a pre-advancement position corresponding to a post-return position (a), and a post-advancement position corresponding to a pre-return position (b), respectively. The rotation control device includes a first rotation part supporting one end of the torsion coil spring and supported on a fixed body so as to rotate as the rotation body rotates, and a second rotation part rotatably supported on the fixed body at a first rotation part side and supporting the other end of the torsion coil spring. When the first rotation part rotates, the second rotation part rotates together with the first rotation part. A wound portion of the torsion coil spring is most elastically deformed when the rotation body is at an intermediate position (c) between the position (a) and the position (b).

Abstract: The present invention discloses an anti-pinching structure for supporting frame, in which a slidable or rotatable positioning block is disposed on the hinge portion of the connection base and the supporting framework and a hinge unit is disposed on the hinge portion of the connection base and the supporting framework, such that the torsion spring of the hinge units may form a supporting torsion against the supporting framework and the positioning block may prevent the supporting framework from springing back.

Abstract: A hinge assembly includes a shaft, a first bracket, a second bracket, a spacer, and a restricting member. The spacer includes a main body and a resilient area protruding from the main body. The resilient area includes a top portion and a base portion connecting the top portion with the main body. The restricting member and the second bracket are arranged at opposite sides of the spacer. The restricting member forms a protrusion resisting the top portion of the resilient area. The spacer is fixed with the second bracket, and the second bracket includes a receiving portion corresponding to the resilient area. The base portion is located in the projection of the receiving portion projected at the spacer, situated parallel to the axis of the shaft.

Abstract: A hinge assembly for pivotably coupling a cover section and a body section comprise a first coupling element, a second coupling element including a first latching block and a second latching block spaced from the first latching block, the first latching block and the second latching block being configured for latching with the cover section, and an elastic element. One end of an elastic element is fixed to the first coupling element, another end of the elastic element is fixed to the second coupling element.

Abstract: A geared full surface mounted continuous hinge with a hole in a thrust bearing supporting the hinge, said hole adapted to accommodate a flexible tube containing electrical wiring and thereby facilitate the passage of electric current from a frame to appliances in a door connected to the frame using the hinge.

Abstract: A moving mechanism of an electronic device is provided, including a first member, a second member, a sliding member slidably connected to the first member, and a pivot rotatably connecting the second member with the sliding member. When the first member slides relative to the sliding member, a latch member on the first member is pressed by the sliding member to a retracted position. When the sliding member is released from an initial angle and rotates relative to the second member, the latch member is pushed by a resilient element and is joined in a recess of the sliding member, thus preventing sliding between the first member and the sliding member.

Abstract: A swivel-hinge assembly includes a main plate, a knuckle on the main plate, a first pivot shaft rotatably engaged in the knuckle, at least one end of the first pivot shaft exposed out of the knuckle and a peg positioned on the end of the first pivot shaft exposed out of the knuckle. The peg includes a limiting portion protruding out of the first pivot shaft and abutting an edge of the knuckle, wherein when the first pivot shaft is rotated and reaches a predetermined position the limiting portion of the peg abuts the main plate thereby preventing further rotation of the first pivot shaft.

Abstract: One end portion and the other end portion of the first link 51 are respectively rotatably connected to a first housing side attachment member 11 and a second housing side attachment member 21. Upper and lower side portions of one end portion of the second link 61 are respectively rotatably connected to the first and second housing side attachment members 11, 21. Upper and under side portions of the other end portion of the second link 61 are respectively rotatably connected to the first and second door side attachment members 31, 41. One end portion and the other end portion of the third link 71 are respectively rotatably connected to the second housing side attachment member 21 and the second door side attachment member 41. The first, second and third links 51, 61, 71 are arranged to be spaced from one another in the direction of rotation axes thereof.

Abstract: A hinge for a swinging door. The hinge includes first and second leafs, each having knuckles, and a pin which rotatably attaches the first and second leafs together. The first knuckle of the first leaf includes a detent, the first knuckle of the second leaf includes first, second, and optionally third, channels, and the pin includes first and second ribs. The first rib is positioned within a desired channel thereby fixing the relative position between the pin and second leaf and predetermining the swing range of the door, which is restricted when the detent engages the first rib. The second rib acts as a spacer to keep the pin from moving away from and over the detent when the door has reached its predetermined swing range. In this fashion, the hinge limits the swing range of a door to keep the door from striking an adjacent wall.

Abstract: An automobile hinge repair tool comprising: (a) a base having a substantially planar top surface; and, (b) a cylindrical insert extending generally perpendicularly from the base, the cylindrical insert including an outer circumferential surface extending longitudinally and having a substantially constant radial diameter, where the substantially planar top surface of the base extends radially outward from the outer circumferential surface of the cylindrical insert at least a predetermined distance and, where the cylindrical insert and the base cooperate to create an automobile hinge repair mold.

Abstract: The description relates to a handle shell to be installed in an opening in a thin wall such as a sheet-metal door leaf, a side wall of a sheet-metal cabinet, or the like, with a flange part, fastening elements proceeding from or being received in the flange part for fastening the flange part to the thin wall, and with a shell part. According to the invention, the flange part and shell part are two separate structural component parts, the flange part has a first flange supported on the edge of the opening in the thin wall, and the shell part of the handle shell has another flange which is enclosed in such a way by the first flange part after being installed that it extends between the thin wall and the first flange part.

Abstract: An assist handle assembly for a vehicle includes a body and at least a first hinge assembly rotatably coupled to the body. A primary spring interconnects the body and the first hinge assembly and biases the body from an open position into a stowed position. A secondary spring interconnects the body and the first hinge assembly, and biases against the primary spring when the body is between the open position and an intermediate position to resist rotation of the body into the stowed position, and biases with the primary spring when the body is between the intermediate position and the stowed position to assist rotation of the body into the stowed position.

Abstract: A slide lock for joining two ends of a textile ribbon, including an external sleeve having a cavity; and a locking part having at least one tip and mounted in the cavity of the external sleeve; wherein the external sleeve has an opening with stops for the locking part and an opening allowing the insertion of the locking part, locking portions for cooperating with the stops to retain the locking part in the cavity are further provided in the external sleeve.

Abstract: An anti-theft zipper head includes a head member and a handle. The head member includes a zipper groove for engaging a zipper. The handle is connected with the head member. The head member further includes an elastic piece. The elastic piece is configured for engaging the zipper and thereby confining the movement of the head member on the zipper. The handle includes a push switch. The push switch is configured to control the elastic piece to extend into the zipper groove so as to engage the zipper, or to withdraw from the zipper groove so as to be disengaged with the zipper.

Abstract: A casket having provision for displaying a photograph, the photograph having a pair of opposite side edges, comprises a casket shell adapted to receive the remains of a deceased and having a pair of side walls, a pair of end walls, and a bottom wall, a casket cap closable on the casket shell, the cap including a dish assembly mounted to an underside thereof, the dish assembly including a cap panel, the cap panel including at least one pair of opposed retention members sized and configured to receive and retain the pair of opposite side edges of the photograph for display of the photograph when the cap is in an open position.

Abstract: The present invention relates to a shaftless hinge comprising two hinge plates where shaft bushes are disposed on confronting sides of the two hinge plates; each of the shaft bushes on one of the hinge plates is disposed with an extension section at one end thereof; the extension section inserts into and pivotally articulated with one of the shaft bushes of an other one of the hinge plates respectively.

Abstract: A method for manufacturing an acceleration sensing unit includes: providing an element support substrate in which a plurality of element supporting members is arranged so as to form a plane, each of the element supporting members being coupled to the other element supporting member through a supporting part and having a fixed part and a movable part that is supported by the fixed part through a beam, the beam having a flexibility with which the movable part is displaced along an acceleration detection axis direction when an acceleration is applied to the movable part; providing an stress sensing element substrate in which a plurality of stress sensing elements is arranged so as to form a plane, each of the stress sensing elements being coupled to the other stress sensing element through an element supporting part and having a stress sensing part and fixed ends that are formed so as to have a single body with the stress sensing part at both ends of the stress sensing part; disposing the stress sensing element

Abstract: A machine tool and pallet standby station using a crane for changing a pallet between a table or pallet mounting table (27) of the machine tool and the pallet standby station are provided. The table (27) includes a plurality of guide pins (31) having tapered front ends, a plurality of elevatable lift pins (35) having spherical front ends, and a plurality of taper cones (37) having tapered outer peripheral surfaces. On the other hand, the pallet (P) includes at least two brackets (39) attached so as to project in the side directions from the two side surfaces of the pallet, and each bracket is formed with a guide hole (41) into which a guide pin (31) is inserted for rough positioning of the pallet.

Abstract: Spring cushions 10 having slow-acting pocketed spring cores 12 characterized by the individual springs of the cores 12 being pocketed within semi-impermeable fabric material and a method of making such pocketed spring cores 12.

Abstract: Weatherstripping is inserted in an extrusion on-line with an extruder which provides the extrusion as it moves towards a station. The extrusion at such station is pulled and cut into sections from which frames of windows are fabricated by fabricators, thereby avoiding the need for insertion of the weatherstrip into the sections offline by the window fabricator. The insertion apparatus includes rollers and an insertion wheel which inserts the weatherstrip into a slot on one side of the extrusion.

Abstract: A hand-operated rivet setting tool, having an upper handle, a lower handle, a housing which is connected to the lower handle at its first end and houses a pump assembly and a flexible reservoir, the pump assembly, connected to a flexible reservoir, the front assembly for setting a rivet, having a nose tube connected to a hydraulic cylinder of the pump assembly, a lever assembly, wherein the lever assembly and at least one of the handles are operationally connected to the pump assembly, wherein the pump assembly is sufficiently designed to advance the hydraulic cylinder with the nose tube to set the rivet when the lever of the lever assembly is in a first position, and wherein the pump assembly is sufficiently designed to open a passage for oil to return into the flexible reservoir and the hydraulic cylinder with the nose tube to retrieve toward the housing when the lever of the lever assembly is in a second position.

Abstract: The present invention provides a hemming device for a wheel housing of a vehicle where a hemming bed unit is attached to an installation frame at one side of the wheel housing, and where a worker can manually hem an inner panel and an outer panel by rotating a hemming roller unit for each process of which the lower portion is fixed to the upper center of the installation frame by a rotary clamper.

Abstract: Disclosed is a device for holding a relative angle between two timing gears. The device includes a connector, two stationary engagement elements, two levers, two movable engagement elements and two fastening units. Each of the stationary engagement elements extends from the connector and can be located between two adjacent teeth of a related one of the timing gears. The levers are pivotally connected to the connector. Each of the movable engagement elements is movably connected to a related one of the levers and can be located between two other adjacent teeth of a related one of the timing gears. Each of the fastening units is operable to retain a related one of the movable engagement units in position relative to a related one of the levers.