179results about How to "Smooth engagement" patented technology

A transmission for a working machine including a drive transmission mechanism and a working transmission mechanism operated by swinging a shift lever is provided. The drive transmission mechanism has a key-sliding transmission mechanism axially mounted on a drive shaft. The key-sliding transmission mechanism causes a selected one of a plurality of gears rotatably mounted on the drive shaft and the drive shaft to rotate together to transmit power to drive wheels.

An ink tank provided with a supply port for supplying the ink contained therein and an electric contact for information transmission is smoothly and securely attached to an attachment section of a printing apparatus while achieving secure connection of an electric contact section at the same time. The ink tank is configured to be attachable to the attachment section by positioning a first engagement section at a first fitting section on the attachment section, and then by rotating the ink tank around the positioned first engagement section to lock a second engagement section to a second fitting section on the attachment section. The supply port and a positioning section for the contact are disposed on the bottom face of the ink tank so as to be on the respective two sides of the center line in the width direction of the ink tank therebetween.

A power-split transmission for a vehicle comprises a forward-reverse transmission module, an epicyclic module and a secondary power branch. The forward-reverse power shuttle module (12) comprises an input shaft (22) coupled to a primary motor (20) and an output shaft (38). Also included, first and second clutches (30,48) are alternatively engageable to close respective forward and reverse drive paths between the input shaft and output shaft. Engagement of the first clutch couples the input shaft directly to the output shaft. Engagement of the second clutch couples the input shaft to the output shaft via first and second gear sets (32, 34, 36, 42, 44) which each comprise a plurality of meshed gears. One of the gear sets (32, 34, 36) comprises an odd number of gears and the other gear set (42, 44) comprises an even number of gears. The epicyclic module comprises a first epicyclic input connected to the output shaft of the forward-reverse transmission module, a second epicyclic input connected to an output side of the secondary power branch, and an epicyclic output. The secondary power branch derives power from the primary motor via the first gear set.

A snare drum strainer mountable to the shell of a drum comprises a piston and an actuator. The piston has an axis and a surface curved about an axis generally parallel to the piston axis, and the piston is operatively connected to snares. The actuator and the curved surface rotate one with respect to the other about an axis generally parallel to the piston axis to reciprocate the piston and to tension and untension the snares. In another embodiment, the piston includes a generally cylindrical surface with a generally helical groove, the piston is operatively connected to snares, and the actuator includes a follower insertable into the generally helical groove. The follower and the generally cylindrical surface rotate one with respect to the other to reciprocate the piston and tension and untension the snares.

A cartridge holder is shown which comprises a back portion which has at an inner surface a plurality of cartridge gripping parts by which one sides of cartridges are gripped, a pair of lid portions which are pivotally connected to opposed sides of the back portion through respective major hinge portions; catching and caught portions which are provided at free ends of the lid portions and lock the lid portions when the lid portions are pivoted toward their closed position; and a plurality of extra hinge portions which are defined by the back portion. By roundly flexing the back portion at the major hinge portions, the cartridge gripping parts, that is, the cartridges gripped by these cartridge gripping parts are opened like a fan. Thus, upper ends of the cartridges are separated thereby facilitating handling of the upper ends of the cartridges by the fingers of a user. In order to prevent a swell-out phenomenon of the back portion which would occur when the back portion is roundly flexed, there is provided a swell-out phenomenon suppressing means. In order to prevent removal of the cartridges from the cartridge gripping parts which would occur when vibration and shock are applied thereto under conveying of the holder, there is provided a cartridge retaining rib.

A novel fastener member and a novel method of assembly are provided for engagement of the fastener member with a female member having an internally threaded bore. The fastener member includes a threaded shank portion and a novel point at a work entering end thereof. The point includes a radiused portion which is engaged within the female member threaded bore to start engagement of the fastener member therewith. In certain embodiments, the point further includes an unthreaded portion, which has a diameter that is slightly less than a minor diameter of the shank portion, connecting the radiused portion and the threaded portion. The radiused portion has a maximum diameter which is slightly less than a minor diameter of the threaded bore. The radiused portion may take many forms and, for example, may be spherical; partially spherical; or formed from a predetermined number of radiused portions integrally formed with each other. To engage the fastener member and the female member, the radiused portion is disposed within the threaded bore and thereafter, rotational movement and an end load are applied to one or the other of the fastener member or the female member. The radiused portion is completely inserted into the bore prior to engagement of the shank portion with the threads in the bore, and will promote lateral as well as pivotal moment as required to align the respective members to attain proper thread engagement.

A supporting face (1a) is provided on a base plate (1), a face (2a) to be supported is provided on a work pallet (2), and an engagement hole (3) is opened in the face (2a) to be supported. A core column (11) is projected upward from a housing (9) fixed to the base plate (1). An elastic sleeve (12) that fits in the engagement hole (3) is supported in a space at the outer periphery of the core column (11), on the upper face of the housing (9). Wedge spaces (W) narrowing downward are circumferentially arranged at substantially equal intervals between the core column (11) and the elastic sleeve (12). Wedge members (15) are vertically movably inserted in each of the wedge spaces (W). Input portions (20) of the wedge members (15) are connected to an output portion (44) of an upper rod (43) of a piston (33).

A buckle is composed of a buckle body and an insertion body. The buckle includes an engagement and disengagement system in which the insertion body is inserted into the buckle body. An elastic member provided with elasticity, which is made of, for example, natural rubber, synthetic rubber or thermoplastic elastomer, is integrally molded on a pressing surface formed on an operating portion for performing an engagement and disengagement operation of the buckle by bicolor molding means or insert molding means. The pressing surface of the operating portion may be disposed on the buckle body or may be disposed on the insertion body. In either case, it is possible to produce a buckle having a good touch. Consequently, since the operating portion is flexible and soft to the touch, a smooth engagement and disengagement operation of the buckle can be realized.

A hoist provides high mechanical advantage and accurate positioning, driven by hand or with a powered rotary implement such as a drill. The hoist includes flexible tension members, such as chains, cables or straps, for applying force and tension to a load. A load nut is connected to the tension members for high mechanical advantage from rotational drive input to a load screw threadedly connected to the load nut. Alongside the tension members are guides forming channel-like spaces within which the flexible tension members travel. The guides, or portions of the guides, pass through the load nut in most forms of the invention.

A synchronizer clutch assembly includes a clutch hub which is axially movably mounted on a shaft, a gear which is axially spaced from the hub and which is journally mounted on the shaft and rotatable independent thereof, one of the hub or the gear having a conical friction surface formed thereon, and a synchronizer ring positioned between the hub and the gear. The synchronizer ring is coupled to the hub or the gear for rotation therewith and has a complementary conical friction surface formed thereon which is engageable with the conical friction surface on the hub or the gear. The synchronizer ring is composed of a plurality of separate arcuate segments arranged in a ring, which are movable between a first expanded configuration and a second, contracted configuration.

In an engine timing chain drive, a pivoted chain guide is provided on the tension side of the chain, and a synchronizing sprocket is incorporated into the chain guide and driven by the chain. The synchronizing sprocket rotates a cam which effects reciprocating movement of the guide to compensate for cyclic variations in tension resulting from operation of intake and exhaust valves.

The present invention relates to a protective mask adapted to be worn by a person engaging in the game of paintball. The mask has a main body to cover the front, sides, mouth and ears of a user's face. It also has a removable flexible transparent lens that locks into a rigid support frame formed in the mask. The mask also has a strap to securely support the mask on a wearer's head, and a removable face engaging element provided to accommodate a face of the wearer. This face engagement element evenly engages around the wearer's face in a cushioned manner because its face engagement portion is made of foam that engages the user's face along the entire perimeter of the face engagement element. The face engagement element is securely locked onto the mask by locking clips that fit into openings on both sides of the face engagement element.

A fishing tool for fishing sucker rods from a subterranean well. The tool is a top piece, a barrel piece and bottom piece that all thread together. One or more extender sections are added by unthreading the top piece from the barrel piece and threading the extender sections therebetween to effectively lengthen the barrel piece and increase its functionality. The bottom piece retains a curved cast metal slip movable within grooves milled internally into the body. A lower end of a side opening provided in the barrel piece is level with an upper shoulder of the slip when the slip is at its lowest position. Optionally, the bottom piece can be replaced with a bell, lip guide, mill shoe, or other types of tools and the top piece can be replaced by a prior art fishing tool or other tools.

Provided are a vehicle body frame, a support frame that is erected on the vehicle body frame and that supports a hood, a steering wheel, a steering column that is erected on the vehicle body frame and that supports the steering wheel, an instrument panel, an operation panel that is provided below the steering wheel and that has a display window at a position facing the instrument panel, and a connecting member connected at one end to the support frame and connected at the other end to the steering column; wherein the instrument panel is mounted on the connecting member.

A steer-by-wire steering device includes a steering wheel connected with a steering shaft, a steering angle sensor, a steering reactive force motor, and a steering control unit for controlling a steering shaft drive motor and the steering reactive force motor. Provided is a power transmitting mechanism for transmitting the power from the steering shaft drive motor to the steering shaft. A changeover unit for selectively connecting and disconnecting the power is disposed on the way thereof. The changeover unit includes a clutch mechanism comprised of an input member and an output member juxtaposed in an axial direction for movement in the axial direction and, also, rotatable relative to each other, a clutch groove provided in one of those members, and a clutch rolling element provided in the other of those members and biased in a radial direction by the clutch groove so that it can be selectively engaged and disengaged.