Brother Kogyo Kabushiki-kaisha

Eiji Shibata

Kazumasa Makino

Kazuhito Ishida

Motoshi Ohno

Shigeyuki Hayashi

Makoto Yamada

Toshio Sugiura

Yoichi Horaguchi

Tsuyoshi Suzuki

Takashi Nakata

Masao Ogawa

Takashi Tomizawa

Osamu Nagata

Takahiro Yamada

Yoshiya Tomatsu

Makoto Suzuki

Kenji Sakakibara

Tatsuya Shindo

Yumio Matsumoto

Kazunori Tanabe

Katsuyoshi Sonobe

Hideo Nishigaki

Mototsugu Ono

An apparatus for putting a sewing thread through an eye hole of a sewing needle of a sewing machine, including a hook member having a hook portion movable through the needle eye to catch the sewing thread positioned adjacent to the needle eye; a holding member which cooperates with the hook member to hold the sewing thread; a biasing member which biases the holding member to press the sewing thread against the hook portion of the hook member; a supporting member which supports the hook member, the holding member, and the biasing member such that the three members are movable between a distant position distant from the needle eye and a near position near to the needle eye and are movable at the near position so that the hook portion of the hook member advances and retracts through the needle eye to catch the sewing thread, draw the caught thread through the needle eye, and obtain a loop of the thread; and a releasing member which releases the sewing thread from the hook member by moving the holding member away from the hook portion of the threading hook against the biasing action of the biasing member, at least one of the supporting and releasing members being movable relative to the other member so that the holding member and the releasing member are engaged with each other and the holding member is moved away from the hook portion of the hook member against the biasing action of the biasing member.

Threading apparatus of sewing machine

Apparatus for treating an end portion of a sewing thread which is supplied from a thread supplying device and is guided by a guiding device to pass near a sewing needle of a sewing head of a sewing machine, the sewing head having a front surface facing a user who operates the sewing machine, a rear surface opposite to the front surface, and a side surface connecting between the front and rear surfaces, the apparatus including a downstream holding device which holds the end portion of the sewing thread guided by the guiding device, so as to stretch a portion of the sewing thread near the sewing needle, and a cover member which covers the sewing head, the cover member providing the front, rear, and side surfaces of the sewing head, the downstream holding device being provided on a visible portion of the side surface of the cover member which portion is visible from the user facing the front surface of the cover member.

Apparatus for treating end portion of sewing thread

An image recording apparatus charges toner particles and forms a suspension of the charged toner particles. The image recording apparatus generates an electric field between a control electrode which has apertures and a back electrode, to directly control a flow of the charged toner particles, and to record an image on an image recording medium which passes between both electrodes. The image recording apparatus has an adjusting unit which adjusts the density of the suspension of the charged toner particles. The adjusting unit adjusts the density of the suspension of the charged particles in accordance with a signal output from a manual adjusting member, when a user operates the manual adjusting member. Density of the image on the image recording medium is adjusted on the basis of operation of the adjusting unit. The particles can be supplied by a speed variable ciliary member or a vibrating belt.

Image recording apparatus for adjusting density of an image on a

An automatic winding mechanism which includes a rotatable winding shaft, a first guide including a circular first guide portion and a second guide including a substantially U-shaped second guide portion is disclosed. A leader portion of a continuous sheet fed by a pair of feed rollers is introduced along a circumferential surface of the winding shaft by the first and second guide portions which are disposed so as to enclose the winding shaft in cooperation with each other. The continuous sheet is then automatically wound on the winding shaft since the circumferential velocity of the winding shaft is set higher than the feeding speed of the feed rollers. The winding mechanism also includes a first sensor for sensing whether the winding shaft is in place. The winding mechanism is started if the winding shaft is sensed and the winding mechanism is prevented from starting if the winding shaft is not sensed. A second sensor for sensing that a leader portion of the continuous sheet is disposed between the feed rollers and the winding shaft is also provided. When the second sensor is provided, tapered flanges are formed on both ends of the winding shaft and are tapered toward its center. A nip of the sheet by the feed rollers is cancelled by a nip cancelling mechanism when a leader portion of the continuous sheet is sensed by the second sensor. As a result, the leader portion is permitted to move freely to a proper centered position on the winding shaft.

Automatic winding mechanism for a continuous sheet and the like

An image recording apparatus having a sheet cartridge in which a rolled photosensitive recording medium is accommodated. The sheet cartridge has a sheet retaining device for preventing the recording medium from being retracted into a cartridge casing. The retaining device also provides a light shielding member. The image recording apparatus also includes structure for preventing the cartridge from being removed in a case where a residual recording medium is still rolled in the cartridge casing. The image recording apparatus is provided with a wiper member for removing dusts deposited on a surface of a feed roller. Further, a sensor element is provided for detecting non-rotation of a takeup shaft or a slack of the recording medium.

Sheet cartridge and image recording apparatus using the sheet cartridge

An image recording apparatus using a microcapsule sheet on which a latent image is formed. The microcapsule sheet is accommodated within a sheet roll cartridge detachably provided to a main frame, and a take up means for winding light-exposed microcapsule sheet thereover. The cartridge and the take-up means are geometrically positioned at an upper portion of the main frame, so that these are easily assembleable and disassembleable. Preferrably, a link mechanism is provided which connects a cover member to the cartridge. The link mechanism provides disengagement of the cartridge from the main frame upon opening of the cover member, and provides an engagement therebetween upon closing thereof. Further, additional link mechanism is provided between the cover member and a separation roller unit. The separation roller unit is moved to a first direction where the roller is separated from the microcapsule sheet when the cover member is opened. The unit is moved to a second direction where the roller is in contact with the microcapsule sheet when the cover member is closed.

Image recording apparatus feasible for replacement of image recording

An image recording apparatus for recording an image corresponding to an original on a recording medium which is in the form of continuous elongate medium having a leading edge. The apparatus includes a main frame defining an internal space, a magazine detachably disposed within the internal space, a cartridge detachably mounted in the magazine for accommodating therein the recording medium, a take up roll disposed within the internal space for taking up the recording medium, a pair of feed rollers for feeding the recording medium along the sheet path, and a holding member having a first position for holding the leading edge and having a second position for releasing the leading edge. One of the feed rollers are movable to provide a first position for allowing the leading edge to pass through the rollers, and a second position for nipping the leading edge relative to the othr feed roller for feeding the recording medium along the sheet path. The holding member is positioned at the second position for releasing the leading edge of the recording medium when one of the feed rollers is positioned at the second position.

Image recording apparatus

An image recording apparatus for forming a latent image on a photosensitive pressure sensitive sheet and for developing the latent image on a developer sheet. The apparatus includes an exposure unit and a developing unit positioned close to each other. The apparatus also includes an optical system for irradiating light onto an original and directing the light reflected at the original toward the exposure zone. The original has an original image facing downwardly, and the photosensitive sheet has an imaging surface facing downwardly at the exposure zone. The optical system provides a U or J-shaped optical path extending from the original to the exposure zone. The optical system has reflection mirror unit vertically movably secured to a pair of frames of the apparatus. The frames are reinforced with a partition member which also functions as a light shielding member. The partition member divide an internal space defined by the frames into two chambers so as to accommodate therein the developing unit and the optical system, respectively.

Image recording apparatus having separated optical and developing units

In a color picture recording apparatus, a picture image of an original document is formed on a photosensitive and pressure-sensitive recording medium which may be either a self-coloring type or a transfer type made up of a microcapsule sheet and a developer sheet. According to one aspect of the present invention, in the recording apparatus of the type in which the transfer type recording medium is used, the copy sheets are discharged face-up so as to facilitate an operator's confirmation of the copied picture image. According to another aspect of the invention, the cut developer sheets are stacked in a sheet cassette so that the surface on which the developer material is coated is face-down so that a feeding roller for feeding out the developer sheet does not come into contact therewith. According to still another aspect of the invention, in an apparatus of the type in which a mask member is used for forming a latent image on the recording medium, the mask member and the recording medium are held in intimate contact with each other when exposure is taking place.

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Nagoya, Japan

Eiji Shibata