Abstract: An object is to provide a control apparatus of a showcase in which appropriate illumination having a high presentation effect can be realized by an LED illumination apparatus having a high durability against turning ON/OFF and capable of securing a predetermined illumination intensity even under an environment at a low temperature. The control apparatus controls a plurality of showcases so that display chambers where commodities are displayed are illuminated with LED illumination apparatuses, and includes a person detecting sensor provided in a showcase disposed in such a position that the approaching of any person can first be detected among the plurality of arranged showcases, so that the approaching of the person is detected. When the person detecting sensor detects the approaching of the person, the illumination intensities of all the LED illumination apparatuses of the plurality of showcases are increased.

Abstract: An object is to provide a showcase in which appropriate illumination can be realized by an LED illumination apparatus having a high durability against turning ON/OFF and capable of securing a predetermined illumination intensity even under an environment at a low temperature. The showcase in which the inside of a display chamber configured to display commodities is illuminated by an LED illumination apparatus includes a person detecting sensor which detects the approaching of any person, and a control apparatus which adjusts the illumination intensity of the LED illumination apparatus, and the control apparatus gradually increases the illumination intensity of the LED illumination apparatus in a case where the person detecting sensor detects the approaching of the person.

Abstract: An object is to provide a showcase capable of effectively illuminating commodities displayed on a shelf in a display chamber, especially commodities in shelf foremost parts. In the showcase in which the shelf for displaying the commodities is disposed in the display chamber constituted in a main body and in which a front-surface opening of the display chamber is openably closed by see-through doors and in which an illumination device is vertically attached to the main body on an inner side from the edge of the opening, the illumination device is constituted of LED elements, and light from the LED elements is emitted toward front parts of the shelf.

Abstract: A power source connection device capable of avoiding dropping of a power source plug from a power source socket owing to frost on the power source socket, that has a power source socket attached to a partition plate which separates a showroom of a low-temperature showcase from a cold-air duct; and a power source plug connected to the power source socket, the power source socket has a vessel-like attachment base and an electrode portion formed protruding spaced from an inner portion of an outer peripheral wall constituting the attachment base, the power source plug has a terminal for electrically connecting the power source to the electrode portion and a peripheral wall portion enclosing the terminal, and the power source plug is detachably engaged with the power source socket such that the terminal is connected to the electrode portion of the power source socket.

Abstract: An object is to provide a showcase provided with an illumination device capable of simplifying maintenance operability and effectively illuminating the inside of a display chamber, and the showcase in which the display chamber constituted in a main body is illuminated by the illumination device, the illumination device is constituted of an LED illumination member including LED elements, and a pair of holding members which are attached to a reflective plate on a canopy in the main body to hold the LED illumination member, whereby the irradiation angle of light from the LED illumination member is changeable.

Abstract: There is disclosed a showcase provided with a light device capable of simplifying a maintenance operation and improving a cooling efficiency in a display chamber. In a showcase 1 of the present invention, a display chamber 11 is formed in an insulating wall 2 to display commodities on a plurality of steps of shelves 32 disposed in the display chamber 11 and cool the commodities, the showcase includes LED lights 40 which illuminate the inside of the display chamber 11 from the upside, and light guide plates 48 provided on lower surfaces of the shelves 32, light inlet portions 49 of the light guide plates 48 are provided so as to protrude forward from the shelves 32, and a light emitting surface 52 of each light guide plate 48 faces the shelf 32 under the shelf 32 provided with the light guide plate 48.

Abstract: There is disclosed a showcase provided with a light device capable of simplifying a maintenance operation and improving a cooling efficiency in a display chamber. In a showcase 1 of the present invention, a display chamber 11 is formed in an insulating wall 2 to display commodities on shelf plates 32 of a plurality of steps of shelves disposed in the display chamber 11 and cool the commodities, the showcase includes LED lights 40 which illuminate the inside of the display chamber 11 from the upside, and the shelf plates 32 and the like constituting the shelves are constituted of a transparent material.

Abstract: There is disclosed an open showcase provided with a light device capable of simplifying a maintenance operation and improving a cooling efficiency in a display chamber. In an open showcase 1 of the present invention, a display chamber 11 is formed in an insulating wall 2 to display commodities in the display chamber 11 while cooling the commodities, the showcase includes a reflective plate 45 which extends externally from a front surface opening 12 of the display chamber 11, and LED lights 40 attached to the reflective plate 45, and the inside of the display chamber 11 is illuminated with light emitted from the LED lights 40.

Abstract: There is disclosed a showcase provided with a light device capable of simplifying a maintenance operation and improving a cooling efficiency in a display chamber. In a showcase 1 of the present invention, a display chamber 11 is formed in an insulating wall 2 to display commodities in the display chamber 11 while cooling the commodities, the showcase includes LED lights 40 which illuminate the inside of the display chamber 11, and a light transmitting shade 46 which covers the LED lights 40, and the shade 46 has a structure to diffuse light from the LED lights 40.

Abstract: There is disclosed an open showcase provided with a light device capable of simplifying a maintenance operation and improving a cooling efficiency in a display chamber. In an open showcase 1 of the present invention, a display chamber 11 is formed in an insulating wall 2, cold air is discharged from cold air discharge ports 16, 17 provided in an upper edge of a front surface opening 12 of the display chamber 11, and sucked into cold air suction ports 18, 19 provided in a lower edge of the opening 12, to form a cold air curtain in the front surface opening 12 of the display chamber 11, the open showcase includes a hand rail main body 24 provided on an upper end of a front wall 2C of the insulating wall 2 positioned outside the cold air suction ports 18, 19, a reflective plate 26 provided on the hand rail main body 24, and LED lights 40 attached to the reflective plate 26, and the inside of the display chamber 11 is illuminated with light emitted from the LED lights 40.

Abstract: A sheet cutter for cutting a sheet with a cutting blade held by a cutting blade elevating body which is elevated by one servo motor, including a pair of cutting blade elevating bodies; an elevation driving body for elevating the pair of cutting blade elevating bodies; a guide member for guiding the elevation of the pair of cutting blade elevating bodies; a holding body capable of holding the pair of cutting blade elevating bodies at an up position; and a transmission change-over device for selectively engaging the pair of cutting blade elevating bodies with the elevation driving body and selectively disengaging the pair of cutting blade elevating bodies from the elevation driving body, wherein one of the pair of cutting blade elevating bodies, which has been selected, is elevated by the servo motor.

Abstract: An object of the present invention is to provide a power source connection device capable of avoiding a disadvantage that a power source plug drops down from a power source socket owing to frost which has grown on the power source socket itself, the power source connection device comprises a power source socket attached to a partition plate which separates a showroom of a low-temperature showcase and a cold-air duct from each other; and a power source plug connected to the power source socket, the power source socket has a vessel-like attachment base and an electrode portion formed so as to protrude at a predetermined interval from an inner portion of an outer peripheral wall constituting the attachment base, the power source plug has a terminal for the power source to be electrically connected to the electrode portion and a peripheral wall portion which encloses the terminal and the like, and the power source plug is detachably engaged with the power source socket in a state in which the terminal and the lik

Abstract: An object is to provide a showcase in which terminals of an illuminative lamp can electrically be connected to power supply portions of sockets securely and safely and in which an attaching operation of the illuminative lamp can be simplified; the showcase is provided with the sockets each including a main body side socket member which connect the illuminative lamp to a power source of a main body and an illuminative lamp side socket member; the main body side socket member includes a connecting section in which a power supply contact piece is stored; the illuminative lamp side socket member includes an attachment section to be attached to an end portion of the illuminative lamp, and a storage section; the terminal is opposed to the inside of the storage section in a state in which the attachment section is attached to the end portion of the illuminative lamp; and the terminal is electrically connected to the power supply contact piece, and the power supply contact piece is urged toward the terminal by a pres

Abstract: There is provided a sheet cutter capable of cutting a sheet into a rectangle, the side lengths of which are different, with two cutting blades, characterized in that: the cutting blade elevating section is downsized; the cutting accuracy is high; and the cutting speed is increased. A transmission change-over device is provided so that one of the pair of cutting blade elevating bodies 2, 2, which are provided being put on each other in the longitudinal direction, can be connected to the elevation driving body 10 elevating by the rotation of the feed screw shaft 11. The transmission change-over device includes: an engaging piece 13 provided in an upper portion of the cutting blade elevating body 2; a connecting pin 15 for connecting the elevation driving body 10 with the engaging piece 13; a push-out pin 17a for moving the connecting pin 15; a push-in pin 17b for moving the connecting pin 15; and a holding member 19 for holding one of the cutting blade elevating body 2 which is not elevated.

Abstract: A single-sided ring spinning frame having spinning positions including draft parts and winding parts on a front side of the machine frame, and rows of cans arranged on a rear side of the machine frame. Each can has a plurality of sliver accommodating areas to accommodate a plurality of rows of sliver coils therein. Sliver guides are arranged above the cans. Therefore, the number of the cans is less than the number of spinning positions, and the height of the cans is selected so that an operator can easily handle the sliver in the can. Also, a method for supplying slivers to a single-sided ring spinning frame, and a sliver transfer device used in the method are also disclosed.

Abstract: A spindle head having a spindle is moved along a Y-axis relative to the fixed bed of a printed-circuit board drilling machine, a work table is moved along an X-axis perpendicular to the Y-axis, and a tool magazine is moved along a .beta.-axis parallel to the Y-axis relative to the work table to bring the respective axes of the spindle and desired one of a plurality of tool posts arranged in rows and columns in the tool magazine into alignment with the axis of a pressing member included in a tool pressing mechanism fixedly held on the fixed bed under a tool changing position. The tool pressing mechanism is actuated to transfer a tool from the tool post to a chuck attached to the spindle or from the chuck to the tool post. The work table is lightweight and hence can be rapidly moved. The tool changing mechanism needs only simple control for a tool changing operation.

Abstract: A tool position correcting device comprises a draw bar supported for axial movement in a central bore of a spindle of a machine tool, a tool holder supported for turning about an eccentric axis displaced from the axis of rotation of the spindle on the nose of the spindle, and a motion converting mechanism operatively interlocking the draw bar and the tool holder to convert the axial motion of the draw bar into the rotational motion of the eccentric rotary member.

Abstract: When a spindle unit 1 rises to a tool change position P1 of a printed-circuit board drilling apparatus, a pair of cam followers 27, which have been spaced downward from a pair of operating pins 38, are brought into engagement with conical portions 39 of the operating pins 38 and caused to move toward each other. As a result, a pair of opening/closing arms 24 that are provided under a pressure foot 20 and that serve as suppressing members for preventing floating of the printed-circuit board are moved away from their suppressing positions A in which the opening/closing arms 24 are kept closed by the force of a spring 28, to their retracted positions B. Consequently, forward end portions of the opening/closing arms 24 are positioned outside a tool passage zone S through which a tool post passes when a tool is changed.

Abstract: An indexing device comprises an indexing table fixed to a table shaft rotatably supported on a body structure. A worm shaft is rotatably supported on the body structure and has a worm formed thereon. An indexing gear is fixed coaxially to the indexing table. The indexing device has a rotation correction device for stopping the rotation of the worm shaft prior to the indexing operation of the indexing table. The indexing device further has a positioning device for operating, after the worm shaft has been thus stopped, to impart a rotational torque to the indexing table and to cause a gear tooth face of the indexing gear to press against and hold a worm tooth face of the worm, whereby the precision of positioning of the indexing table is improved.

Abstract: A toolholder device for a machine tool comprises a holder body driven by a machine tool drive spindle, and a toolholder supported on the holder body so as to be circumferentially and axially displaceable. The holder body and the toolholder are provided with displacement detection elements which are arranged circumferentially in interdigitating relation. A support shaft extends from either member of the holder body and the toolholder toward the other member. The outer surface of the support shaft and the inner surface of a support hole of the other member to be fitted over the support shaft are formed with helical guide grooves which are opposite to each other and slopingly extends with respect to the rotational axis of the toolholder device.