176results about How to "Avoid elastic deformation" patented technology

A key array structure comprises a key array constituted by connecting a plurality of key members arranged in an array, it is characterized in that an elastic element is connected between each two adjacent key members and a positioning hole or position holes is or are disposed in the key member. The elastic member disposed between each two adjacent key members of the key array structure according to the present invention has a cushioning effect to adjust the deformation of the key array caused from the processes such as heat baking while manufacturing so as to allow the positioning hole in each key member to be precisely positioned with a corresponding position pin on a relative member.

A cage of a cylindrical roller bearing includes an annular section, a plurality of pillars that extend axially in an integrated, continuous manner from the inside surface of the annular section, and a plurality of pockets, which are formed between the inner circumferential direction side faces of adjacent pillars, and hold the cylindrical rollers in a freely rotatable manner. The circumferential direction side faces of the pillars incorporate a circular arc surface formed in both the inside and outside diameter directions from the pocket PCD which passes through the pocket center of the pocket, and a roll-off section (lubricant reservoir) provided at the tip end inner circumferential section.

The invention discloses a numerical control precision micro-fine super-long deep hole drilling machine which comprises a workbench, a master control cabinet, a linear motor and a servo motor. An output shaft of the servo motor is provided with a drilling bit. The linear motor comprises a primary part installed on the master control cabinet and a secondary part where the servo motor is installed. The secondary part drives the servo motor to move so as to enable the drilling bit to stretch out or retract back above the workbench. The workbench comprises a lifting base and a workbench top arranged on the lifting base. A clamp for fixing a workpiece is installed on the workbench top. According to the numerical control precision micro-fine super-long deep hole drilling machine, the linear motor is used as a feeding power source of the drilling bit, intermediate transmission links such as a gear, a worm gear pair, a belt, a lead screw pair, a coupler and a clutch which are needed in an existing transmission chain from a motor used as a power source to a working component are abandoned, and rotational inertia, elastic deformation, a backlash, motion hysteresis, friction, vibration, noise and abrasion of the intermediate transmission links are avoided; the numerical control precision micro-fine super-long deep hole drilling machine is high in degree of automation, easy to operate, high in control precision, stable in motion, low in noise, long in service life, safe and reliable.

A method for laying elongated winding material, such as for example wire, insulated or non-insulated strands, glass fibers, and the like, in which the strand-type material is wound in layers onto rotationally symmetrically shaped winding spools, the winding material being guided to a winding spool via a deflecting roller for the laying, and for the distribution on the winding spool the deflecting roller is moved essentially parallel to the axial direction, a sensor unit acquiring the position of the spool flange as well as the winding diameter of the winding material, and control signals for the movement of the deflecting roller being derived from the measurement values of the sensor unit.

In an electrical junction box, an electrical junction box main body is housed in a housing case consisting of an under case member and an upper case member, and a wire harness having its one end connected to the electrical junction box main body is led out to the outside of the housing case. The under case member has a pair of holding arms provided therein, which temporarily hold the wire harness to be led out roughly in a desired lead-out direction, the wire harness being led out from the under case member, in a state where the electrical junction box main body is temporarily housed in the under case member. The upper case member has guide ribs provided therein, which guide the wire harness in the desired lead-out direction, the wire harness being led out roughly in the desired lead-out direction by the pair of holding arms in the under case member, in an assembled state of the under case member and the upper case member.

The present invention provides a clamp system for securing a workpiece. The structure of oil paths formed in a base plate is simplified while maintaining good guiding ability of a piston rod of a hydraulic cylinder. Also, the ratio of the work area relative to the surface of the base plate is increased. Hydraulic clamp devices (3, 4) include: main cylinder units (30, 50) mounted vertically in a base plate (2); output members (31, 51) including piston rods (32, 52) extending from the main cylinder units (30, 50) toward the surface of the base plate (2); guide members (34, 54) disengageably secured to the surface of the base plate (2) and guiding the piston rods (32, 52) so that they can be moved back and forth; and rod-side cylinder end walls (41, 61) of the main cylinder units (30, 50) disengageably secured to the base plate (2). First oil paths (10, 11) formed in the wall of the base plate (2) supply hydraulic pressure from the hydraulic pressure supply device (7) to the main cylinder units (30, 50) of the plurality of clamp devices (3, 4).

A cuff of a wrist-mount blood pressure monitor includes an inflatable bag to which a predetermined quantity of fluid is supplied in order to press predetermined artery of a wrist, and a fixing member for mounting the inflatable bag on the wrist. The fixing member has a first half split ring-shaped fixing tool and a second half split ring-shaped fixing tool having an approximately ring shape with rigidity for preventing elastic deformation in a state where the inflatable bag is inflated.

A housing main body (1) is formed with rear cavities (5B-1), and a lance housing (2) including locking lances (18) is formed with front cavities (5B-2). When the lance housing (2) is mounted into a mounting space (10) of the housing main body (1), locks (22) of eaves (20) are resiliently engaged with hooking claws (14) formed on wall surfaces of the mounting space (10). Since deformation spaces (21) for the eaves (20) are open at the front, if the locks (22) and the hooking claws (14) are incompletely engaged, such a state can be visually confirmed from the front side of the housing main body (1).

The invention provides an integrated inductance foot cutting, bending and shaping system. The integrated inductance foot cutting, bending and shaping system comprises a frame. A lower mold base is mounted at the input end of the frame. Stand columns are fixedly arranged on the lower mold base in four directions. An upper mold base is fixedly arranged on the tops of the stand columns. A terminal cutoff assembly is mounted between the upper mold base and the lower mold base. A terminal side bending assembly is mounted on the portion, at the output end of the terminal cutoff assembly, of the frame. A terminal upward-bending assembly is mounted at the output end of the terminal side bending assembly. A terminal shaping assembly is mounted at the output end of the terminal upward-bending assembly. After adopting the scheme, the integrated inductance foot cutting, bending and shaping system has the beneficial effects that the structure is reasonable, and the integrated production of foot cutoff and shaping can be realized.

The two-layered preform includes a tubular body having a mouth providing a neck at a first end thereof and a closed bottom at an opposite second end. At least part of the tubular body is formed by a first layer (P1) made of a primary molding material and a second layer (P2) made of an overmolding material. The first layer (P1) is an inner layer made of a primary molding material providing a barrier effect against light by absorption, and the second layer (P2) is an outer layer made of an overmolding material providing a barrier effect against light by reflection. The neck is formed with the overmolding material of the second layer (P2) not coated by the primary molding material of the first layer (P2).

A connector comprising: a connection terminal; a connector housing having a terminal receiving chamber in which said connection terminal is inserted and a lance that is elastically deformable to engage the connection terminal in the connector housing; and a front holder supported on a front end portion of said terminal receiving chamber so as to be movable along said inserting direction; wherein said front holder is pressed by a mating connector to be moved in the opposite direction in accordance with a fitting movement of said connector relative to said mating connector; andwhen said connector is completely fitted relative to said mating connector, said front holder abuts against said connection terminal, and cooperates with said lance to hold said connection terminal therebetween.

The invention relates to a continuous automatic assembly machine of a lug plate elastic piece. The continuous automatic assembly machine comprises a rack, a power distribution control box, a rotary disc and carriers. A lug plate feeding mechanism, an elastic piece feeding mechanism, a press-fitting mechanism and a discharging mechanism are arranged on the rack. Each carrier comprises a carried material mounting seat embedded into the rotary disc. A carried material seat lifting block penetrating the rotary disc is arranged in each carried material mounting seat. A vertical carried material seat composite spring is arranged between each carried material seat lifting block and the lower portion of the corresponding carried material mounting seat. A carried material seat cooperating with a product is arranged above each carried material seat lifting block. A press-fitting device comprises a press-down device cooperating with the products on the carriers and a carried material seat jackingdevice which is located below the press-down device and cooperates with the carried material seat lifting blocks. According to the continuous automatic assembly machine, the carried material seat lifting blocks and the press-down device can be in butt joint precisely, meanwhile, pressing assembly of a lock piece and a lug plate can be achieved, it can be ensured that the press-down portion is a flat plate between two elastic piece mounting columns, the press-fitting precision is ensured, elastic deformation of the elastic pieces is avoided, and meanwhile continuous automatic machining is achieved.

An over slam bumper for a vehicle is provided and includes a buffer unit having one end protruding from an inner panel of the door toward a vehicle body and absorbing shock power between the vehicle body and the door. A mounting unit has one end fixed to another end of the buffer unit and another end thereof is inserted into a penetration aperture to fix the buffer unit to the inner panel. The mounting unit includes an insert flange inserted into the buffer unit and a support flange interconnected to the insert flange. An insert having one end integrally protrudes from a center of the support flange toward the penetration aperture and clips are integrally formed at the protruding end of the insert and are fixed while being locked to an inner circumferential surface of the penetration aperture when a predetermined portion thereof is inserted into the penetration aperture.

A terminal fitting has a tubular connecting portion (11) with includes a base wall (14) in the form of a flat plate. A first spring piece (25) is cantilevered in the connecting portion (11) and is resiliently deformed toward the base wall (14) when a mating tab comes into contact therewith. A second spring piece (31), which is narrower than the first spring piece (25), projects from the base wall (14) and comes into contact with the first spring piece (25) from the side of the base wall (14). Excessive deformation preventing pieces (36) project at opposite widthwise sides of the second spring piece on the base wall (14) and prevent excessive resilient deformation of the first spring piece (25) by coming into contact with a free end portion (27) of the first spring piece (25) from the side of the base wall (14).

A device for implanting catheters has a tube with a wall and a wire. The tube is intended to be introduced into a body so that at least one catheter can be inserted for implantation through the tube. The wall of the tube has an inside surface and an outside surface. The wire is preferably fixed at its first end in the region of the proximal end of the tube to the inside surface or the outside surface of the wall and the wire is guided in the proximity of that surface along the longitudinal direction of the tube from the proximal end of the tube to the distal end thereof and is then returned in the proximity of the respective other surface of the wall along the longitudinal direction from the distal end of the tube to the proximal end thereof. The wire is used to cut the tube open after insertion of the catheter.

The invention discloses a thin-wall rotary type component cylindrical lathe cutting clamping method and device. According to the method, an inner hole of a thin-wall rotary type component is tightened, and the purpose of clamping the thin-wall rotary type component is achieved; the clamping device used in the method comprises a base, an elastic hollow shaft and a top rod with a threaded conical surface, wherein a guide hole is formed in the center of the base; the guide hole is in threaded connection with the top rod of the threaded conical surface; the elastic hollow shaft is arranged at theperiphery of the top rod with the threaded conical surface. The device is relatively simple in structure, convenient in clamping operation and reliable in clamping mode, the situation that the thin-wall rotary type component is deformed or scraped in cylindrical latch cutting operation is avoided. Not only is the processing precision improved, but also the processing rejection rate is reduced, andthe processing cost is reduced.

A joint connector includes a connector housing having terminal accommodation chambers configured to accommodate terminal fittings and having elastically-deformable locking lances configured to engage with the corresponding terminal fittings, bus bars configured to connect the terminal fittings to each other, and a front holder to be installed in the connector housing from an opposite side to a side where the terminal fittings are inserted. The front holder has a holder main body integrated with the bus bars and lance deformation prevention portions configured to prevent elastic deformation of the locking lances. In an engagement state of the terminal fittings and the locking lances, the lance deformation prevention portions are configured to be inserted into spaces in which the locking lances are deflected.

In an electrical junction box, an electrical junction box main body is housed in a housing case consisting of an under case member and an upper case member, and a wire harness having its one end connected to the electrical junction box main body is led out to the outside of the housing case. The under case member has a pair of holding arms provided therein, which temporarily hold the wire harness to be led out roughly in a desired lead-out direction, the wire harness being led out from the under case member, in a state where the electrical junction box main body is temporarily housed in the under case member. The upper case member has guide ribs provided therein, which guide the wire harness in the desired lead-out direction, the wire harness being led out roughly in the desired lead-out direction by the pair of holding arms in the under case member, in an assembled state of the under case member and the upper case member.

A connector includes a housing, a front holder, a provisionally-retaining member and a completely-retaining member. The housing includes terminal receiving chambers in which metal terminals are accommodated and a plurality of elastic retaining arm portions for respectively retaining the metal terminals. The front holder is attached to the housing in a completely-retaining position through a provisionally-retaining position. The front holder prevents elastic deformation of the elastic retaining arm portions in the completely-retaining position but allows elastic deformation of the elastic retaining arm portions in the provisionally-retaining position. The completely-retaining member retains the front holder to the housing in the completely-retaining position and includes an operation portion for releasing the retaining of the housing and the holder, which is exposed to the exterior.

A marine vessel propulsion unit includes an engine, a drive shaft, a propeller shaft, a propeller, an intermediate shaft, a forward-reverse switching mechanism, and a shock reduction mechanism. The intermediate shaft is arranged on a central rotation axis of the propeller shaft. The intermediate shaft is arranged to transmit rotation between the drive shaft and the propeller shaft. The forward-reverse switching mechanism is arranged to switch a rotational direction of the propeller shaft to a forward drive direction or a reverse drive direction. The shock reduction mechanism includes a plurality of spring members and a pair of stopper portions. The shock reduction mechanism is arranged on the central rotation axis of the propeller shaft. The plurality of spring members are arranged to absorb a force in the rotational direction by elastically deforming in the rotational direction when the force in the rotational direction is applied to the intermediate shaft. The pair of stopper portions are arranged to prevent elastic deformations of the plurality of spring members by coming into contact with each other when the elastic deformation amounts of the plurality of spring members reach a predetermined value.