30results about How to "Limitation on range of rotation" patented technology

The present invention provides a lotion pump, comprises: a nozzle head; a connecting / guiding member connected to the nozzle head, in which an upper one-way valve is disposed; a container cap having a first connection structure and a second connection structure, said first connection structure is to engage with a mouth of a bottle; a housing, on its upper end, there is a connection structure engaging with the second connection structure on the container cap, and on its lower end, there is a lower one-way valve; a piston which moves within the housing, its upper end is connected to the connecting / guiding member; and a spring which makes the piston return; characterized in that, the upper end of the spring abuts against the connecting / guiding member, the lower end of the spring abuts against a spring seat which is provided in the housing. The lotion pump with an externally installed spring of the present invention does not make the spring contact the lotion, and is realized with a very simply structure, less parts, thereby the productivity can be notably increased and the manufacturing cost can be greatly reduced.

A lens barrel includes a rotatable ring, a non-rotatable outer annular member having a circumferential groove located on the inner peripheral surface thereof, an advancing / retracting mechanism configured to move the rotatable ring along the optical axis between movement limits of the rotatable ring, a rotational projection located on the outer peripheral surface of the rotatable ring such that the projection is engaged in the circumferential groove when the rotatable ring is moved to one of the movement limits, and a stopper which is insertable into and removable from the circumferential groove at an intermediate point between opposite ends of the groove. The stopper limits the range of rotation of the rotatable ring relative to the outer annular member by engaging the rotational projection in a state where the stopper is positioned in the circumferential groove, and the stopper stops preventing the range of rotation of the rotatable ring in a state where the stopper is positioned outside the circumferential groove.

A swing hinge device of a portable terminal is adapted to semi-automatically rotate a pair of housings of the terminal while they face each other to open and close them. The swing hinge device of a portable terminal having a first housing and a second housing includes a hinge housing extending along a longitudinal direction and having a reception space formed therein. A hinge shaft is rotatably coupled to the hinge housing and has a number of crests formed thereon. A hinge cam is positioned in the reception space of the hinge housing and is adapted to linearly travel therein along the longitudinal direction of the hinge axis and has a number of troughs formed thereon that face the respective crests. A hinge spring is positioned between the hinge housing and the hinge cam to provide an elastic force so that the hinge cam may linearly travel while forcing it against the hinge shaft. A hinge stopper portion is positioned between the hinge housing and the hinge shaft to limit the range of rotation of the hinge shaft that rotates in the hinge housing.

An electronic device and hinge assembly includes an electronic device body including a base and a main unit, and hinge devices pivotally connecting the base and the main unit for allowing adjustment of the angular position of the main unit relative to the base step by step in a series of angles. Each hinge device includes a casing affixed to one of the base and the main unit, a pivot shaft connected to the base and the main unit and rotatably inserted through the casing and secured by a retaining ring, and a friction wheel set and a damper mounted on the pivot shaft. The friction wheel set includes a first friction wheel and having recessed portions equiangularly spaced at one side thereof, and a second friction wheel rotatable with the pivot shaft relative to the first friction wheel and having raised portions respectively engageable into the recessed portions.

An electromagnetic actuator is provided, including a bobbin made of a non-magnetic material including a hollow cylindrical portion and disk flanges; a coil formed between the disk flanges; a power supply which supplies a current to the coil; a movable member pivoted on the hollow cylindrical portion; and a stationary member made of a permanent magnet and fixed to a disk flange. The movable member is a magnetic material and includes a shaft portion and a rotating portion. The rotating portion is fixed to the shaft portion, lies on the disk flange, and extends in a radial direction of the shaft portion. When the power supply supplies the current to the coil in a predetermined direction, the rotating portion is magnetized to a predetermined polarity and rotates. The stationary member includes a stopper for stopping rotation of the movable member at a predetermined rotational position.

The invention relates to a device for opening an ampoule (3), said device comprising a substantially hollow cylindrical housing (11) having an interior for accommodating an ampoule (3). The device also comprises a rotary element (12) having a proximal section (121), to which a break-off section (124) extending in the distal direction is connected. The break-off section (124) is flexible in the radial direction and / or is pivotably connected to the proximal section (121) in the radial direction. The rotary element (12) can be rotated relative to the housing (11) about the longitudinal axis in an actuating direction from an initial position to an intermediate position. In the area of the side wall (111), the housing (11) has a first guiding structure (119), which is designed in such a way that the first guiding structure presses the break-off section (124) inward during a rotation from the initial position to the intermediate position so that the break-off section (124) exerts a radial shear force on the ampoule head (33) of an ampoule (3) accommodated in the interior in order to break the ampoule head (33) off of the ampoule body (31).

A surgical microscope system includes a camera that is rotatable around a first rotation axis and a second rotation axis, the rotation axes being orthogonal to each other, so that a photographing direction of the camera is changeable at a given position. The first rotation axis is inclined with respect to a vertical axis, and therefore, a lower end of a first member is able to be set at a height that does not interfere with the photographing direction when the camera is horizontally oriented.

A rotational angle detecting sensor has a cylindrical housing including an end wall at a first end thereof. A covering member covers the second open end of the housing. A rotary shaft extends through the end wall of the housing and includes a large-diameter portion having a shoulder surface and rotatably received in the housing. A rotational angle detector is disposed between the inner surface of the covering member and the end surface of the large-diameter portion of the rotary shaft. An actuate groove is formed in the inner surface of the end wall of the housing concentrically with the rotary shaft. A stopper pin is attached to the shoulder surface of the large-diameter portion of the rotary shaft so as to be movable in the groove. The stopper pin abuts against the circumferential ends of the groove, thereby limiting the rotational range of the stopper pin.

A swing hinge apparatus of a portable terminal is provided. In the portable terminal, a pair of housings is rotatably assembled while facing each other. The swing hinge apparatus includes a lower casing mounted and fixed to a first housing from among the pair of housings, a cam member mounted and fixed to a second housing from among the pair of housings and rotatably received in the lower casing, a guide groove formed on the lower casing and extending along a circumference, and a guide protrusion formed on a first surface of the cam member and moving along the guide groove according to rotation of the cam member, wherein both ends of the guide protrusion have inclined outer walls, both ends of the guide groove have inclined inner walls, and the guide protrusion is engaged with one of the inclined inner walls of the both ends of the guide groove, so as to limit a range of rotation of the cam member.

A hinge assembly includes a body having a housing. A plug is disposed and locked inside said housing. A resilient sleeve is received in said plug. The resilient sleeve includes a first portion having two first peripheral surfaces and a second peripheral surface and a second portion disposed therebetween. The first portion is attached to the second portion at the two first peripheral surfaces and defines a frictional hole and two gaps therebetween. Each of the gaps allows the first portion to be stretchably bonded with the second portion. A pintle includes a pivoting portion being disposed in the frictional hole. The pivoting portion includes two curved surfaces and two flat surfaces formed thereon, wherein one of the flat surfaces is positioned correspondingly to the second peripheral surface, and one of the flat surfaces corresponds to the second portion.

A display apparatus includes a display module, a supporting device provided to support and turn the display module, and a holding device provided for a mobile device to be coupled to the display module. The supporting device rotatably supports the display module and includes a motor providing a driving force to turn the display module. The holding device supports a mobile device so that the mobile device may be coupled to the display module. The holding device comprises a mounting part provided to be mounted onto the display module and a holder rotatably coupled to the mounting part and provided to support the mobile device.

A liquid pressure-feed device having a reduced number of parts and a simple structure is provided. A snap mechanism has a pivot shaft supported within a closed vessel, a float arm and a sub-arm both adapted to rotate about the pivot shaft, a first shaft supported by the float arm, a second shaft supported by the sub-arm, and a spring mounted between the first and second shafts. A float is connected to the float arm and a change-over valve is connected to the sub-arm through a power transfer shaft. There is provided a stopper shaft supported within the closed vessel, there is formed in the float arm a window through which the stopper shaft extends and which restricts a rotational range of the float arm with floating of the float, and there is formed in the sub-arm a window through which the stopper shaft extends and which restricts a rotational range of the sub-arm with descent of the float.

A swing hinge device of a portable terminal is adapted to semi-automatically rotate a pair of housings of the terminal while they face each other to open and close them. The swing hinge device of a portable terminal having a first housing and a second housing includes a hinge housing extending along a longitudinal direction and having a reception space formed therein. A hinge shaft is rotatably coupled to the hinge housing and has a number of crests formed thereon. A hinge cam is positioned in the reception space of the hinge housing and is adapted to linearly travel therein along the longitudinal direction of the hinge axis and has a number of troughs formed thereon that face the respective crests. A hinge spring is positioned between the hinge housing and the hinge cam to provide an elastic force so that the hinge cam may linearly travel while forcing it against the hinge shaft A hinge stopper portion is positioned between the hinge housing and the hinge shaft to limit the range of rotation of the hinge shaft that rotates in the hinge housing.

An agricultural vehicle is described having a front axle mounted on a suspension in a manner that permits the front axle to move up and down in relation to the vehicle body and to pivot about the vehicle longitudinal axis so as to allow the wheels on the ends of the axle to move up and down independently. In the invention, a stop plate is provided on the housing of the axle that projects vertically upwards towards the vehicle body. Abutment surfaces are provided on the vehicle body that straddle the stop plate. The surfaces abut the side edges of the stop plate at the limit of the permitted range of rotation of the front axle about the vehicle longitudinal axis.

The present invention relates generally to the field of cosmetic powder containers and dispensers and particularly to a cosmetic powder dispenser with rotatable dispensing mechanism. The present invention is particularly easy to use and cost effective by allowing the consumer to dispense only the desired amount of the cosmetic powder by providing a rotating dispensing mechanism, and at the same time allow the consumer to apply the cosmetic evenly to the brush head by providing an application surface to manipulate the cosmetic brush evenly onto the brush head. Furthermore, the rotating dispenser of the present invention, includes and open and closed position as to safeguard the loose powder in the container from spilling out by accident or during use or travel.

A portable pneumatic stunner for stunning or euthanizing an animal has a piston slideable within an inner chamber, a housing with a front portion being moveable toward and away from its rear portion, a stunning rod driven by the piston forward towards the front end of the housing, a catch system for alternately holding and releasing the stunning rod, and a regulator for regulating the pressure received from a fluid container for operating the stunner. The stunning rod is driven along a longitudinal axis upon exposure of a pressurized fluid to the piston, and the stunning rod is retracted back into the stunner after firing by exerting a manual inward force on the stunning rod and housing. The catch system comprises a plurality of arcuate sections substantially forming a cylinder. The regulator determines the allowable pressure levels of the fluid the stunner is subjected to.

A light fixture includes a main body, at least a portion of which is generally cylindrical, the main body having an open side, and one or more light sources disposed within the main body. The light fixture further includes one or more mounting rings configured to substantially encircle the main body and configured for mounting the light fixture. A diffuser may be provided, covering the open side of the main body and enclosing the one or more light sources within the light fixture.

A projection apparatus includes a projection unit, a base and a pivoting member. The projection unit includes a light source, a light valve and a lens. The light source provides an illumination beam, the light valve converts the illumination beam into an image beam, and the lens projects the image beam. The base is connected to the projection unit and has at least one first stopping portion. The pivoting member is pivoted to the base and has at least one second stopping portion. The pivoting member is adapted to connect to an external power supply device, the base and the pivoting member are adapted to relatively rotate so as to adjust an angle of the projection image.

A two-axis hinge device with rotation regulating function including the rotation regulating function capable of wiring by passing a harness through a through hole of an axis member, simple in structure, and low in cost is provided. A folding axis rotatably supporting one case and a rotational axis rotatably supporting the other case are set to intersect each other, a rotation allowing portion is formed by recessing an outer circumferential side surface of a rotational operation range restricting head portion rotatably supported by a base frame and arranged on an end of the folding axis, a rotational operation range restricting deformed head portion arranged on an end of the rotational axis so as to face the rotational operation range restricting head portion, a restricting structure portion is formed at the deformed head portion so as to restrain rotation of the folding axis by abutting the outer circumferential side surface of the rotation allowing portion on an end surface and so as to restrain rotation of the rotational axis when the outer circumferential side surface abuts on the end surface of the restricting head portion, and the rotation of the rotational axis is restricted to correspond to an opening or closing angle of the folding axis.