By Spring Pressure Patents (Class 401/81)
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Patent number: 11344101Abstract: Assembly including a system for packaging and applying a product and a device for protecting the said system further including a sleeve inside which the system is mounted with the ability to move axially between a storage position and a usage position in which at least one applicator partially projects out from the sleeve, a release device provided with means for immobilizing the system relative to the sleeve in the storage position, and an actuating means for rendering the immobilizing means inactive, and an elastic preload member applying an elastic load to the system, where release means further include retaining means for restraining the said system relative to the sleeve in the usage position and which are configured to oppose the movement of the said system towards the storage position.Type: GrantFiled: June 20, 2019Date of Patent: May 31, 2022Assignee: L'OrealInventors: Stéphane Leroux, Gianluca La Montagna
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Patent number: 11305576Abstract: The multi pen dry erase marker consists of two to six color dry erase pens that are spring loaded into an ergonomic housing and designed to be used with one hand only. Changing of colors is easy to do by pushing a button to add a pen color. To remove a color the pen is pushed back into the housing which locks it back in place. The end cap of the marker has a large felt or sponge tip to easily erase using a standard whiteboard. A storage cap protects the pens from drying out when being stored.Type: GrantFiled: September 27, 2019Date of Patent: April 19, 2022Inventors: Roger Henry Gagnon, William Juan Calvo, Steve Butcher
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Patent number: 10944189Abstract: A stacked I/O connector with surface mountable tails and a printed circuit board (PCB) configured to receive the connector. The connector may avoid terminal deformations or scratches when the connector is mounted to the PCB. The PCB may include solder pads on a single surface or both surfaces. The sold pads may be configured for the tails of the connector to be attached with a surface mount soldering technique. As a result, the connector has high density and high speed, requires, requires a smaller mounting area on a PCB, relaxes the limitations in routing PCB traces, and reduces the electrical performance deterioration caused by PCB trace routing limitations. The connector may have row-oriented terminal subassemblies, holes in the connector housing and other features to facilitate reliable manufacture and operation of the connector.Type: GrantFiled: May 17, 2019Date of Patent: March 9, 2021Assignee: Amphenol East Asia Electronic Technology (Shenzhen) Co., Ltd.Inventors: Qigui Xu, E Zhao, Zhigang Sheng, Shengxian Zhou
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Patent number: 10045600Abstract: A quick release container includes a base having a well to hold a product and a neck including latches each having a latch protrusion and a flexible portion. The quick release container includes a lid assembly having an inner lid portion and an outer lid portion movable relative to each other. One or more first lid protrusions prevent movement of the outer lid portion. The lid assembly includes a biasing element to apply a biasing force to the outer lid portion. The lid assembly includes a collar that moves between the outer lid portion and the base. The collar has one or more collar protrusions each configured to engage the flexible portions of the one or more latches and cause the one or more latch protrusions to disengage from the one or more first lid protrusions and facilitate movement of the outer lid portion relative to the inner lid portion.Type: GrantFiled: September 18, 2015Date of Patent: August 14, 2018Assignee: HCT GROUP HOLDINGS LIMITEDInventor: Adrian Charles Apodaca
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Patent number: 9095199Abstract: A multi-color cosmetic packaging tin with a base, a bottom cover, a middle sleeve, a screw sleeve, a core post and an upper cover. The core post is a cylinder formed of a plurality of hollow bodies. The base is sleeved in the bottom cover and the screw sleeve is sleeved in the middle sleeve. A breach on the screw sleeve is matched with a button on the middle sleeve and the middle sleeve includes a screw sleeve sleeved on the base. The core post is sleeved in the base and a plurality of slide blocks are formed in respective longitudinal slots in the base. The upper cover is disposed on the middle sleeve and grooves in the upper cover are clamped with upper clamping rings of the middle sleeve.Type: GrantFiled: April 2, 2011Date of Patent: August 4, 2015Inventor: Jianhai Chen
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Publication number: 20130343798Abstract: The invention relates to a device for packaging a cosmetic product, comprising a container (10) having an opening defined by a neck (12) of the container, and a cap (20) for closing the container (10). The cap (20) comprises a cover element (22), a closing-off element (40) for the opening, connected to the cover element (22), a spring member (39) located between the cover element (22) and the closing-off element (40), and a mechanism (30) for locking the cap on the container (10). According to the invention, the locking mechanism (30) comprises a means (25) for retaining the cover element on the container and a means (31) for actuating the retaining VIII means (25) so as to selectively enable the cover element (22) to move with respect to the container (10) from a locked position of the cover element to an unlocked position of the cover element (22) in which the cap (20) can be separated freely from the container (10).Type: ApplicationFiled: December 1, 2011Publication date: December 26, 2013Applicant: L'OREALInventors: Jean-François Delage, Lionel Drugeon, Jean-Marc Lebrand
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Publication number: 20130315645Abstract: An applicator unit for a cosmetic unit comprises a substantially cylindrical applicator support body with an applicator longitudinal axis and an applicator arranged on an applicator head of the applicator support body to apply a cosmetic product, the applicator unit being configured in one piece.Type: ApplicationFiled: May 24, 2013Publication date: November 28, 2013Inventor: Detlev Gutberlet
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Publication number: 20100232863Abstract: A chuck (4) for grasping a writing lead and a rotor (6) arranged to be movable in a direction of rotation and an axial direction within a body cylinder (1) are provided. A rotational drive mechanism for the writing lead is formed such that first and second cam faces (6a) and (6b) are respectively formed at one end face and another end face of the rotor in the axial direction, and first and second fixed cam faces (13a) and (14a) are arranged on the body cylinder side to face the above-mentioned first and second cam faces respectively. A pipe end (7) for guiding the writing lead to interlock with retreat and forward movement of the writing lead while the writing proceeds is arranged to move in the same direction, in conjunction with retreat and forward movement of the above-mentioned chuck.Type: ApplicationFiled: October 15, 2008Publication date: September 16, 2010Applicant: MITSUBISHI PENCIL CO., LTD.Inventors: Hirotake Izawa, Takeshi Kobayashi, Kyo Nakayama
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Patent number: 7753608Abstract: A lipstick case includes a cylindrical case body and a tube axially movably mounted in the case body to hold a lipstick. The tube has a vertically sliding groove and a guide groove disposed at two opposite lateral sides of a bottom base block thereof. A limiter device is formed of a holder base, a limiter element, a spring member and a constraint member. The limiter device is fastened to the inside of the case body for guiding and limiting axial movement of the tube relative to the case body.Type: GrantFiled: July 23, 2008Date of Patent: July 13, 2010Inventor: Chou Yu Hsing
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Publication number: 20100054842Abstract: The invention relates to a cosmetic dispenser for dispensing a cosmetic having an outer shell; a sleeve placed within the outer shell and slidable relative to the outer shell; a cup placed within the sleeve and slidable relative to the sleeve; the sleeve having an orifice; a button located on a side of the outer shell opposite to the sleeve; a bar placed between and attached to the cup and the button; a flexible tab extending downwards from the bar and inwards toward the sleeve, the flexible tab having an endpoint located at a downward and inward location of the flexible tab; and wherein the endpoint is engageable with and disengageable from the orifice for sliding the cup, the sleeve, and the outer shell relative to one another.Type: ApplicationFiled: September 2, 2008Publication date: March 4, 2010Inventors: Ralph DeVito, Denise D. Soracco
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Publication number: 20080193193Abstract: A multi-unit cosmetic applicator comprising: a housing body, a first cosmetic unit housed in the housing body, a second cosmetic unit housed in the housing body, an opening in the housing, wherein each cosmetic unit has a means for being independently movable relative to each other from a stored position to an advanced position and back to its stored position.Type: ApplicationFiled: June 13, 2007Publication date: August 14, 2008Inventors: Andrew H. Pechko, John S. Kurek
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Patent number: 6854908Abstract: An applicator for a circular arc-shaped solid composition comprises a housing defining a conduit that is sized to accept the circular arc-shaped solid composition stick. The conduit has a first end and a second end, the second end being open, and has a continuous circular arc-shape from the first end to the second end. The housing also contains one, or more than one opening for engaging a fastener. Each one of the one, or more than one opening is of a sufficient size to permit at least partial lateral movement of the fastener. Also included in the housing are an inlet and an outlet in communication with the conduit, the outlet being in communication with the second end, and a biasing assembly for advancing the circular arc-shaped solid composition stick within the conduit. The position of the applicator of the present invention relative to a surface to be treated can be easily adjusted by laterally sliding the housing of the applicator relative to its mounting bracket.Type: GrantFiled: March 14, 2003Date of Patent: February 15, 2005Assignee: Kelsan Technologies Corp.Inventors: Ron C. Y. Hui, Jonathan deWet, Chris Dale, Malcolm Curtis
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Patent number: 6729785Abstract: A mechanical pencil and/or pen and method for operating a mechanical pencil and/or pen is provided. The mechanical pencil includes a barrel, a lead chamber, a first pressure actuator, an eraser chamber, and a second pressure actuator. The first pressure actuator is situated on the outer surface and is coupled to the lead chamber. The lead chamber holds the lead and pressing the first pressure actuator advances the lead chamber causing the lead to advance. The second pressure actuator is situated on the outer surface and is coupled to the eraser chamber. The eraser chamber holds the eraser and pressing the second pressure actuator advances the eraser chamber causing the eraser to advance. A pen including a barrel, a pen chamber, an eraser chamber, and an eraser pressure actuator is also provided. The barrel includes a pen-end, an eraser-end, and an outer surface. The pen chamber is situated in the pen-end and holds the pen. The eraser chamber is situated in the eraser-end and holds an eraser.Type: GrantFiled: August 6, 2002Date of Patent: May 4, 2004Assignee: Rose Art Industries, Inc.Inventor: Roshan Wijerama
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Patent number: 6702495Abstract: An orbital marking pencil includes a body assembly, a rotator assembly and a rotational support. The body assembly includes a plunger, a main spring and a support spring. A convoluted race is formed on an inner surface of the body assembly. The rotator assembly includes a rotator spring and at least two ball bearings. The rotator spring opens a collet that retains a piece of lead. The ball bearings are received in the convoluted race. The depression of the body assembly in a vertical movement actuates the ball bearings within the convoluted race, thereby rotating the lead in an orbital movement. The support spring provides resistance to return the rotational support to a starting position, the main spring provides resistance for and returns the rotator assembly to a starting position, and the rotator spring provides resistance for and returns the plunger to a starting position.Type: GrantFiled: February 5, 2003Date of Patent: March 9, 2004Inventor: Kurt P. Lychwick
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Patent number: 6695512Abstract: A writing implement with a movable sleeve that can be raised by light finger pressure and automatically or manually lowered into a protective position between writing uses. Alternative means can be used to raise and lower the sleeve, such as but not limited to a push bar, roll ball, lever, sliding mechanism, or depressible button. A stop disk prevent the sleeve from being fully withdrawn from the writing implement housing and a locking mechanism between the housing and the sleeve prevents casual contact from prematurely releasing the sleeve from its protective position. Optionally, braces can be used to stabilize the marking material cartridge, a sleeve insert can be used to prevent the writing tip from drying out, and a swivel clip with a high friction grip can be employed to securely position the writing implement between uses. Applications can include use with pens, pencils, markers, paint markers, crayons, and highlighters.Type: GrantFiled: May 6, 2003Date of Patent: February 24, 2004Inventor: Chad C. Sutherland
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Patent number: 6371673Abstract: A dispenser for a substance such as lipstick. The dispenser includes containing a pusher for the substance and a declutchable drive to move the pusher in an axial direction within the body to dispense the substance. The pusher returns to an initial position when the declutchable drive is declutched.Type: GrantFiled: March 14, 2000Date of Patent: April 16, 2002Assignee: L'OrealInventor: Jean-Louis Gueret
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Patent number: 6136352Abstract: A novelty candy product comprises a cylindrical barrel having mounted therein a hard candy portion slidable relative to said barrel. The barrel includes an open mouth end removably covered by a cap which is frictionally or otherwise retained in closing relation of the mouth. The end of the candy portion remote from the mouth carries a valve member which is yieldably urged toward the mouth by a coil spring. The barrel includes, at a position adjacent the mouth, a valve seat. When the cap is removed the coil spring projects the candy through the mouth and the valve into sealing engagement with the valve seat whereby syrups developed in the course of consuming the product are precluded from entering the interior of the barrel.Type: GrantFiled: July 20, 1999Date of Patent: October 24, 2000Assignee: The Topps Company, Inc.Inventors: Scott A. Silverstein, John Budd
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Patent number: 5934815Abstract: A cosmetic container, such as for lipstick, having an upwardly biased cosmetic carrier for creating torque. A biasing member such as a spring is provided and is secured, according to one embodiment, at its bottom end to the bottom portion of the inner sleeve and at its upper end to the cosmetic carrier. According to an alternative embodiment an inner sleeve is unnecessary and a base is provided. The spring is connected at its lower end to the base and at its upper end to the cosmetic carrier.Type: GrantFiled: July 7, 1997Date of Patent: August 10, 1999Assignee: Rexam Cosmetic Packaging Inc.Inventor: David R. Hurlburt
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Patent number: 5832942Abstract: A cosmetic pencil having at least one applicator to which a detachable reservoir for a cosmetic substance is engaged. The applicator and the reservoir are spring-loaded and rotatable relative to each other. An axially displaceable cover having apertures is provided over the applicator so that a comparatively soft cosmetic substance can be used in the reservoir. The cover is located between the surface of the cosmetic substance and the applicator.Type: GrantFiled: May 9, 1997Date of Patent: November 10, 1998Assignee: h & m gutberlet GmbH industrievertretungen c.d.h.Inventor: Horst Gutberlet
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Patent number: 5509743Abstract: An automatic-pencil cartridge includes a lead automatic compensation device which is in the front section of the cartridge and which can be triggered to automatically output the lead for further writing when the lead is worn out and unsuitable for writing; a lead holder which is in the middle section of the cartridge and which can ensure that the lead is delivered only to the exit of the cartridge; a lead-storing device, which is in the back section of the cartridge and which can be used to store lead and to open the lead holder; a cup device, used to enclose the lead automatic compensation device and the lead holder with a retainer. The lead-storing device can be arranged in one end of the cup device.Type: GrantFiled: December 3, 1993Date of Patent: April 23, 1996Inventor: Yu Hao
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Patent number: 5490738Abstract: A device is provided for transferring crayon or similar drawing material onto a surface. The device comprises an elongate tubular housing for housing a crayon, a transfer wheel, and a number of gears for rotating the crayon with respect to the wheel. The transfer wheel rotates about an axle riding on forks extending from the housing. An inner sleeve is located in the housing and contains the crayon. Gears located on the axle, fork, and sleeve rotate the sleeve when the wheel is driven along a surface. Rotation of the sleeve rotates the crayon, causing the transfer wheel to remove crayon material uniformly from the end of the crayon. Spring loaded offset locking rods press the crayon into engagement with the wheel and lock it in the sleeve.Type: GrantFiled: October 28, 1994Date of Patent: February 13, 1996Inventor: James M. Pearce
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Patent number: 5462376Abstract: A slider mechanism of a mechanical pencil is capable of fixing its lead guide at positions of its projection and withdrawal. The slider mechanism comprises a slider fixing the lead guide, the slider being provided with a sliding member sliding on the internal peripheral surface of a point member, a projection provided on the rear end of the external peripheral surface of the sliding member, and grooves provided on the internal peripheral surface of the point member, the grooves being engaged with the projection at positions of the lead guide's projection from and withdrawal into an aperture on the tip of the point member. The projecting position of the lead guide in a writing state and the withdrawal position in a housing state are securely maintained.Type: GrantFiled: February 16, 1994Date of Patent: October 31, 1995Assignee: Kotobuki & Co., Ltd.Inventors: Hidehei Kageyama, Shouji Anzai, Yoshihide Mitsuya
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Patent number: 5294206Abstract: A liquid applicator includes a tubular casing, a liquid holding member, and a support member. The support member whose modulus of elasticity is smaller than that of the liquid holding member is provided between a bottom end portion of the liquid holding member and a bottom wall of the casing. The support is formed such that at least a portion of an outer circumferential surface of the support member is in pressing contact with an inner circumferential surface of the casing and that the support member is compressively deformable in an axial direction thereof while being held tightly between the liquid holding member and the bottom wall of the casing. Accordingly, the liquid holding member can be reliably supported in the casing.Type: GrantFiled: October 22, 1992Date of Patent: March 15, 1994Assignee: Kabushiki Kaisha Sakura KurepasuInventor: Tadashi Mukunoki
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Patent number: 5236271Abstract: An automatic pencil for automatically dispensing a writing lead comprises a hollow, longitudinal main body for receiving therein lead, and a mouthpiece detachably connected at its rear end to a front end of the main body for projecting a top of the lead received in the main body from a front end of the mouthpiece. A slider is movably disposed in a front portion of the mouthpiece for frictionally holding therein the lead, the slider being manually, reciprocally moveable in the axial direction of the pencil in response to writing pressure applied thereto during use of the pencil. A chuck is mounted in a rear portion of the mouthpiece for releasably clamping the lead during use of the pencil such that the chuck operates in response to the reciprocating movement of the slider to allow advancing movement of the lead toward the front end of the mouthpiece and to prevent retracting movement of the lead.Type: GrantFiled: January 18, 1990Date of Patent: August 17, 1993Assignee: Micro Co., Ltd.Inventor: Gouji Sakaoka
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Patent number: 5230577Abstract: An improved applicator for soft materials includes a cartridge section and a relatively rotatable body section, the soft material being contained within the cartridge section and a plunger being provided to advance the soft material. The improvement resides in providing an assembly within the applicator body to prevent the inadvertent separation of the cartridge section from the body section. In a preferred embodiment, this assembly comprises a clutch means between the rotatable body section and the plunger whereby rotation of the body is transmitted to the plunger to advance and retract the plunger and associated soft material, the clutch means being designed so as to disengage before the plunger is retracted to the point at which it would forcibly separate the cartridge from the body.Type: GrantFiled: July 15, 1992Date of Patent: July 27, 1993Assignee: Maybelline, Inc.Inventors: J. Richard Cox, John M. B. Ford, Doug M. Lund, John F. McAllister
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Patent number: 5040914Abstract: In a device to apply cosmetic materials such as powders, pastes or similar substances by means of an applicator which is held against the surface of the cosmetic material in a storage chamber by spring pressure, it is envisioned that, in order to ensure a reliable and induced transfer of the cosmetic material to the applicator when the two housing parts are pulled apart, the pencil-like device be simple in construction, that the applicator (8) for the cosmetic material (19) be rotatably mounted within the respective housing part (1), and that, under the force of the spring (16) when the two housing parts (1 and/or 2) are separated, the rotatably mounted applicator (8) is revolved relative to the fixed storage chamber (18), while maintaining the surface contact between the applicator (8) and the cosmetic material (19) in the storage chamber (18).Type: GrantFiled: February 12, 1990Date of Patent: August 20, 1991Assignee: Georg Karl Geka-Brush GmbHInventor: Holger Fitjer
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Patent number: 4957383Abstract: A lead propelling device for an automatic pencil includes an upper tubular body which has a through-hole tapering downward and a first lead clamping face at the lower end of the through-hole, the tubular body being split along an axial plane thereof to permit the first clamping face to move between a clamping position and a releasing position, and a corrugated hollow member connected to the tubular member and having a corrugated wall with a plurality of indented annular portions defining second lead clamping faces which are movable between a clamping position and a releasing position thereof. The second clamping faces are in the clamping position when the first clamping face is in the releasing position thereof. A cone-shaped lead guide member is provided in the tapered end of the pencil tube and has a bottommost tube portion to protrude outward from the tapered end. The lead guide member is movable between a protruding position and a retracted position to propel and draw in the lead rod.Type: GrantFiled: April 11, 1989Date of Patent: September 18, 1990Inventor: Jia-Ming Sheu
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Patent number: 4840508Abstract: A mechanical pencil has a body with a lead storage chamber defined therein for housing spare lengths of lead, and a tubular lead guide receiving a length of lead and coaxially mounted in the body so as to partly protrude outwardly from its writing end. During writing or marking, the lead guide gradually retracts into the body against the force of a return spring with the wear of the lead received therein and, when the pencil is moved off the writing surface, it is held in place by a locking mechanism until a preselected wear point is reached, then it is sprung back to its normal position. Disposed intermediate the lead storage chamber and the lead guide, a chuck coacts with an internally tapered socket for gripping the lead against displacement away from the writing end of the body.Type: GrantFiled: August 21, 1987Date of Patent: June 20, 1989Assignee: Pilot Precision Kabushiki KaishaInventor: Hiroyuki Watanabe
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Patent number: 4705419Abstract: A mechanical pencil for automatic drawing machines is disclosed which feeds lead segments to the writing surface as the pencil is alternately pressed against and lifted from the writing surface. The pencil includes a housing having a reserve lead containment chamber and a main internal cavity. A collet split into two portions is mounted within the internal cavity beneath an opening between the main cavity and the containment chamber and has outer cone-shaped camming surfaces and first and second axially spaced, cylindrical inner clamping surfaces. A friction tube with an inner bore adapted to frictionally engage a lead segment is mounted beneath the collet and holds a lead segment to support it against the writing surface.Type: GrantFiled: November 19, 1985Date of Patent: November 10, 1987Assignee: Nicolet Instrument CorporationInventor: Robert Niemeyer
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Patent number: 4678356Abstract: A mechanism for housing a writing or marking cartridge includes means for retaining the cartridge in a retracted position within the housing and means for extending the operative end of the cartridge beyond the housing and releasably locking it in place for use. The housing comprises an open end through which the operative end of the cartridge is extended, and a closed end which houses a retaining means for securing the cartridge in the retracted position. The retaining means includes an annular collar which houses a flexible center section having fingers adapted to capture the support end of the cartridge. The means for extending the cartridge comprises a telescoping helical coil member frictionally secured on its outer end to the interior of the housing and on its inner end to the cartridge.Type: GrantFiled: July 3, 1985Date of Patent: July 7, 1987Inventor: Thomas N. Garland
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Patent number: 4650359Abstract: A mechanical pencil having a chuck mechanism which permits the lead to advance but prevents the lead from retracting, a first slider, a second slider which is retractable progressively as a writing pressure is applied, a first engagement device for holding the second slider at its retracted position and a second engagement device for holding the first slider at its retracted position. The progressively retracted second slider is released to advance to the forward original position by applying a further writing pressure to cause a retraction of the first slider. Then, the second slider is advanced forwardly together with the lead so that the lead is advanced to a writing position.Type: GrantFiled: April 25, 1985Date of Patent: March 17, 1987Assignee: Pentel Kabushiki KaishaInventor: Gouji Sakaoka
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Patent number: 4538934Abstract: An automatic lead advancing mechanism for a mechanical pencil has at its writing point a lead guide tube which is movable axially against a clamping member to cause radially movable components of the clamping member to clamp the lead therein during the writing position of the pencil. The lead guide tube moves axially inwardly against a force exerted by a compression spring interposed between the clamping member and a thrust member, a portion of which is engaged by the lead guide tube and another portion of which has a beveled surface engaging a correspondingly beveled surface on the clamping member. The co-acting beveled surfaces exert both axial and radial forces to the clamping member.Type: GrantFiled: August 5, 1983Date of Patent: September 3, 1985Assignee: J. S. Staedtler KGInventor: Engelbert Brunner
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Patent number: 4521126Abstract: A mechanical pencil includes a lead engaging collet biased rearwardly, a collet receiver tube having a tapered guide face and rolling elements mounted between the tapered guide face and the collet for inducing a clamping force against a writing lead. The pencil includes a device for advancing the collet receiver tube and the collet toward a pencil tip and then permitting the collet receiver tube alone to move rearwardly. This assures that the inner elements will step the lead an increment from the pencil tip for writing purposes.Type: GrantFiled: August 16, 1982Date of Patent: June 4, 1985Assignee: Pentel Kabushiki KaishaInventors: Gouji Sakaoka, Takashi Ishikawa
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Patent number: 4504163Abstract: A mechanical pencil having a writing point tube slidably mounted on the forward end portion of a pencil casing, an annular slider device slidably mounted within the pencil casing and having a lead retainer, a first spring for urging the writing point tube in the forward direction, a collet chuck mechanism having a lead engaging collet and a chuck-actuation cylinder, a second spring urging both the lead engaging collet and the chuck-actuation cylinder in the opposite direction and a third spring for urging the collet chuck mechanism in the forward direction. The pencil has a locking device for temporarily engaging the slider at its retracted position, and a pusher for releasing the engagement of the slider. When an axial thrust is applied to the writing tip of the pencil for lead advancement, the slider and the collet chuck mechanism as well are retracted within the pencil casing with their positional relation being unchanged.Type: GrantFiled: August 24, 1983Date of Patent: March 12, 1985Assignee: Pentel Kabushiki KaishaInventors: Junichi Hashimoto, Tomozo Sekiguchi
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Patent number: 4478529Abstract: A propelling or automatic writing implement having a lead which can be projected from the implement without pushing. An inner frame having a chuck assembly for permitting advance of the lead but preventing retraction of the lead and a lead protecting tube having a holder for holding the lead with a suitable frictional force are housed in a main body and slidable axially thereof. A mechanism is provided for retracting the frame and the tube by a reaction to which the lead is subjected when pressed against the writing surface with a force of considerable magnitude and for returning them when the lead is released from the force, while permitting the tube to move backward and forward relative to the frame in the course of the reciprocating movement. The lead can be projected by the relative movement of the tube and the frame.Type: GrantFiled: May 14, 1982Date of Patent: October 23, 1984Assignee: Kabushiki Kaisha SakurakurepasuInventor: Yasumasa Morio
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Patent number: 4459057Abstract: A mechanical pencil with automatic lead advance in which a slider is temporarily locked at the time when a rearward thrust applied to the pencil tip is released. The slider is locked by an arrangement in which a movable locking tube is disposed around the slider. The locking tube can be inclined relative to the longitudinal axis of the pencil by a spring device so that the slider, when retracted, can be temporarily locked by the inclination of the locking tube.Type: GrantFiled: May 26, 1982Date of Patent: July 10, 1984Assignee: Pentel Kabushiki KaishaInventors: Junichi Hashimoto, Tomozo Sekiguchi
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Patent number: 4452544Abstract: A mechanical pencil with automatic lead feed has a clamping mechanism for clamping a lead in such a manner that it holds the lead steadily against rearward movement but easily permits the lead to move forwardly. A lead tube is fixed at its rear end to the front end of a housing to guide and protect the lead. A sensor is slidably held in the front end of the housing and extends along the lead tube to sense the wear of the lead during writing. A lead advancing mechanism is actuated by the sensor and has a holder for frictionally holding the lead and an elastic member for urging the holder forwardly.Type: GrantFiled: April 26, 1982Date of Patent: June 5, 1984Assignee: Pilot Precision Kabushiki KaishaInventor: Yo Sumita
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Patent number: 3944140Abstract: A shower head adapted to mix and dispense a detergent and water is disclosed. A rotational shaft with impeller blades mounted on one end and a rotary brush engaging a detergent bar on the other end is rotated in a shower head when water under pressure flowing through the shower head impinges on the blades. Means are employed to keep the rotary brush in contact with the detergent bar when the detergent bar is being consumed during use. Means for diverting water toward or away from the impeller blades are also provided so that a bather may adjust the shower head during use to provide water or a mixture of water and a detergent.Type: GrantFiled: March 24, 1975Date of Patent: March 16, 1976Assignee: Lawrence Peska Associates, Inc.Inventors: Joe L. Caton, Larry Caton