Protrusion On Pull Tab Directly Engaging Interlocking Surfaces Patents (Class 24/419)
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Patent number: 5956819Abstract: A concealed slide fastener slider comprises: a slider body having a guide post on which an attachment lug stands; a resilient locking lever attached at one end to the attachment lug and having at the other end a locking pawl retractably inserted into an element guide channel of the slider body; a clamp having an aperture and a central bent portion bent in an inverted L shape so that the clamp can fall flat to a rear side of the slider body; and a pull tab loosely threaded through the aperture. When a cloth is jammed between the slider body and the clamp, only a front part of the clamp assumes an upright posture but a rear part of the clamp to which the pull tab is attached assumes a horizontal posture, thus causing the pull tab to rest on the cloth.Type: GrantFiled: February 27, 1998Date of Patent: September 28, 1999Assignee: YKK CorporationInventors: Ichiro Terasaki, Hisashi Yoneshima, Koji Yamagishi
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Patent number: 5930874Abstract: A pull-tab connector capable of attaching a pull tab with a flat or round strap, simply. A connecting ring, which is adapted to be attached to a slider body, is connected to an outer side of a central frame of a U-shaped bracket of the connector. Opposite side frames of the U-shaped bracket have a pair of horizontal slots in which a strap-turning bar is slidably and rotatably received and a pair of axial holes in which a strap-insertion bar is rotatably received. The strap-insertion bar has a strap-insertion through-hole. In use, the strap is firstly threaded through the strap-insertion through-hole of the strap-insertion bar and is then turned around the strap-turning bar, and finally pulled out from the strap-insertion through-hole again. The opposite ends of the strap are pulled to be aligned with each other. Then, the strap can be attached to the connector in a simple operation and is exchangeable with another strap as desired.Type: GrantFiled: September 30, 1998Date of Patent: August 3, 1999Assignee: YKK CorporationInventors: Miki Yamazaki, Masato Yokota
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Patent number: 5915632Abstract: A small and free type slider for a slide fastener fitted to the slit of an inside pocket of a wearing article can effectively prevent it from scraping the edges of the fabric of the pocket and operate smoothly, buffering any undesirable collision between the slider and the edges of the pocket. It comprises a slider body having an upper wing, a lower wing and a guide post rigidly linking the upper and lower wings and a pull tab holder projecting transversally from about a center of the upper surface of the upper wing, a pull tab directly or indirectly linked to the slider body and a pair of protuberances are projecting upward from the upper surface of the upper wing in front and at the back of the pull tab holder respectively and spaced apart from the pull tab holder.Type: GrantFiled: March 31, 1998Date of Patent: June 29, 1999Assignee: YKK CorporationInventors: Koji Muratsubaki, Takeshi Nozaka
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Patent number: 5911369Abstract: A pull-tab connector for attaching a pull tab's round strap to a slider body is composed of a connector body and a connecting ring on one end of the connector body. The connector body has a transverse through-hole t a side toward the connecting ring, and a pair of longitudinal strap-insertion holes communicating with and perpendicularly to the transverse through-hole and opening to the other end of the connector body and to opposite sides of the connector body via a pair of inwardly tapering longitudinal inlet openings. The strap is inserted through the transverse through-hole and then forced into the longitudinal holes from the respective inlet openings, whereupon opposite ends of the strap are laterally aligned and then pulled to tighten the strap. Thus the strap can be threaded through the connector body simply and neatly, and the threaded strap can be exchanged with another as a demand arises.Type: GrantFiled: September 30, 1998Date of Patent: June 15, 1999Assignee: YKK CorporationInventor: Miki Yamazaki
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Patent number: 5884373Abstract: In an auto-lock slide fastener slider, a slider body has on an upper wing front and rear attachment lugs and at a position near the rear attachment lug between the two lugs a locking-pawl-insertion hole and in front of the hole a forwardly sloping guide surface. An axle of a pull tab is movably supported on the guide surface. Over the pull-tab axle, a locking leaf spring, which has at one end a locking pawl, at the other end a hook and at the center a resilient tongue punched out upwardly so as to form a longitudinal opening, is placed on the upper wing so as that the locking pawl is inserted in the hole while the hook is slidably engaged with the front lug, and that a central projection is loosely inserted through the opening 23. A cover is mounted on the front and rear lugs so as to define a gap between the cover and the front lug. When the spring is moved forwardly, the locking pawl comes into contact with a front wall of the hole, so that the locking pawl can be protected.Type: GrantFiled: October 28, 1997Date of Patent: March 23, 1999Assignee: YKK CorporationInventor: Ryoji Kawamura
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Patent number: 5864928Abstract: In a slide fastener slider, a slider body includes a pair of cantilevered arch-shape attachment lugs spaced from each other by a uniform-width hollow having a bottom surface sloping down to a front side of the slider body and standing on an upper wing at its front end and extending toward its rear end so as to define with the upper wing a gap for passage of an axle of a pull tab, a vertical spring-receiving hole formed through inner surfaces of bases of the attachment lugs into a guide post, a catch lever pivotally mounted between the attachment lugs and having at one end a hook, and a spring received in the spring-receiving hole with its upper end resiliently touching with the other end of the catch lever for urging the catch lever to pivotally move so as to normally close the gap by the hook. The pull tab various in kind can be attached to the assembled slider body.Type: GrantFiled: May 13, 1998Date of Patent: February 2, 1999Assignee: KK CorporationInventor: Hideyuki Matsushima
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Patent number: 5809622Abstract: In an autolock slider, an upper wing of a slider body has a concave pivot-projection-receiving recess extending into a fastener-element guide post, a locking-pawl-insertion hole off the guide post, and an attachment post standing on the guide post. A locking lever having at its front and rear ends a pivot projection and a locking pawl, respectively, is supported on the upper wing with a rounded end of the pivot projection loosely received in the concave recess and the locking pawl inserted in the locking-pawl-insertion hole. A spring is accommodated in a spring-accommodating portion formed on the upper side of the attachment post, resiliently touching the upper side of the lever. The attachment post has a tongue for restricting upward movement of the pivot projection.Type: GrantFiled: July 25, 1997Date of Patent: September 22, 1998Assignee: YKK CorporationInventor: Iwao Yaguramaki
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Patent number: 5771546Abstract: A pull tab of a slide fastener slider includes a pull tab body formed of extruded thermoplastic synthetic resin having an internal hollow portion extending longitudinally or transversely therethrough, and an uneven outside surface which provides an ornamental function, said pull tab body having flexibility and elasticity an ornamental function by virtue of said hollow portion and the uneven outside surface. The pull tab body may be transparent or semitransparent in which instance an ornamental material is preferably embedded in the pull tab body to improve the aesthetical appearance of the pull tab. The pull tab body may further has a connecting portion at its one end for connection to a slider body, and a grip piece at the opposite end. The thermoplastic synthetic resin may be extrusion-molded to be a continuous blank. The blank is then cut into pull tab bodies of individual product widths. The pull tab with a flexibility and an ornamental function can be mass-produced by extrusion molding at a low cost.Type: GrantFiled: December 17, 1996Date of Patent: June 30, 1998Assignee: YKK CorporationInventor: Hitomi Minato
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Patent number: 5632070Abstract: A lock slider for a slide fastener, comprises: a slider body composed of upper and lower wings joined at their front ends, the upper wing having on its lower surface a pair of downwardly projecting side flanges and on its upper surface a pair of upwardly projecting lugs disposed with a width of a pull tab, each of the lugs having a horizontal slot and a pivot insertion hole communicating with the horizontal slot, the upper wing also having at least one locking-pawl insertion hole communicating with one of the horizontal slots; the pull tab having at its base a pair of lateral pivots to be inserted in the respective pivot insertion holes. Further, the pull tab has on one surface at least one locking pawl insertable through the locking-pawl insertion hole when the pull tab is pivotally moved about the base to lie flat on the upper surface of the upper wing.Type: GrantFiled: July 26, 1996Date of Patent: May 27, 1997Assignee: YKK CorporationInventor: Masao Wakabayashi
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Patent number: 5628094Abstract: A lock slider, for a slide fastener, includes an upper wing having an interior surface adapted to be in contact with a pair of fastener tapes, and a wedge-like ridge projecting from the interior surface of the upper wing and extending from a guide post toward a rear end of the upper wing for spreading open the respective closely abutting inner longitudinal edges of the fastener tapes. A tapering fore end portion and a rectangular stem of the ridge has a sharp edge. The upper wing further has, in its interior surface, a recessed portion extending around the fore end portion and the stem for for allowing the inner longitudinal tape edges to be displaced into the recessed portion when they are spread open by the ridge. An aperture for the passage of a locking pawl is formed in the upper wing at an intermediate portion of the ridge.Type: GrantFiled: July 26, 1996Date of Patent: May 13, 1997Assignee: YKK corporationInventor: Hiroshi Mizuno
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Patent number: 5621954Abstract: In a slider for a slide fastener, front and rear attachment lugs are arranged on the upper surface of an upper wing of a slider body, each having a horizontal insertion hole and an arcuate guide surface contiguous to the insertion hole. A pull tab retaining bar has a length so as to bridge over the front and rear attachment lugs and has a pair of taper legs one on each end. For assembly, with a pintle of a pull tab placed between the two attachment lugs, the legs are forced into the insertion holes along the guide surfaces as they deform prastically, securing the pull tab retaining bar to the attachment lugs. Accordingly, the pull tab retaining bar can be attached to the slider body simply by pressing from the upper side, thus facilitating automatic assembling.Type: GrantFiled: January 30, 1996Date of Patent: April 22, 1997Assignee: YKK CorporationInventor: Hiroshi Mizuno
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Patent number: 5611121Abstract: In an automatic lock slider for a concealed slide fastener, a fastener-element guide post of a slider body has an upper groove receiving a locking lever and a lower groove slidably receiving a sliding end of a pivoting release member. A spring mounted in the guide post acts on an actuating arm of the locking lever to urge a locking pawl of the locking lever to normally project into a fastener-element guide channel of the slider body. An ornamental knob attached to the pivoting release member covers exposed part of the slider body. As the knob is pulled to pivotally move the release member, the locking pawl is retracted from the guide channel.Type: GrantFiled: May 20, 1996Date of Patent: March 18, 1997Assignee: YKK CorporationInventors: Mitsuru Akeno, Nobuhiro Ichikawa
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Patent number: 5568674Abstract: In a slide fastener slider, an attachment lug stands from a slider body and has a pair of support projections facing each other, defining a recess for receiving a pintle of a pull tab. The lug additionally has opposite reinforcing projections situated outside the respective support projections. For assembly, the support projections are bent toward the recess by pressing, and at the same time, the reinforcing projections are bent against the associated support projections to seal and hold the pintle of the pull tab. As the pintle of the pull tab is thus attached to the attachment lug reliably, the lug is adequately durable against any movement of the pull tab.Type: GrantFiled: November 29, 1995Date of Patent: October 29, 1996Assignee: YKK CorporationInventors: Jiro Harada, Tsutomu Tomita, Hideo Takabatake
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Patent number: 5551129Abstract: A slider which includes a slider body having a nose suspending at one side, a front open chamber, and two protrusive flanges bilaterally disposed at the front side of the front open chamber, a spring bolt mounted inside the front open chamber to block the gap between the free end of the nose and the slider body, and a stop block mounted in the front side of the front open chamber and secured in place by the protrusive flanges to hold the spring bolt inside the front open chamber, the spring bolt having a beveled top edge, which permits the pull tap to be inserted through the gap between the free end of the nose and the slider body into engagement with the nose and, which prohibits disconnection of the pull tab from the nose after its installation.Type: GrantFiled: December 7, 1995Date of Patent: September 3, 1996Inventor: Tino Chu
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Patent number: 5400480Abstract: A zipper is provided with a stem which is attached in a fixed manner to a trolley of the zipper. The stem is provided with a head which engages a fastener, such as a snap, so that the zipper is held closed by the engagement of the stem with the fastener. The article of clothing, such as the fly of a pair of pants, or other article, is fastened by the zipper and the fastener, and the engagement of the zipper and the fastener.Type: GrantFiled: December 16, 1993Date of Patent: March 28, 1995Inventor: James M. Futch, III
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Patent number: 5353480Abstract: A decorative slider for slide fasteners has a slider body having a through mounting hole extending therethrough. A decorative plate has a through hole formed therethrough and placed on the slider body with the through hole aligned with the mounting hole. A retaining pin extends loosely through the through hole and is fitted in the mounting hole so as to attach the decorative plate to the slider body for diversifying the appearance of sliders without changing the whole appearance of the slider.Type: GrantFiled: September 2, 1993Date of Patent: October 11, 1994Assignee: Yoshida Kogyo K.K.Inventors: Keiichi Keyaki, Hitomi Kawamura
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Patent number: 5347692Abstract: A slider pull tab for slide fasteners has a connecting means formed of a rigid material for connecting a pull tab body of an elastic, flexible material to a slider. The connecting means has a chamber and a window communicating therewith for fitting engagement with an anchoring member. A mold material (M) is injection-molded to form the pull tab simultaneously with the formation of an integral joint in the chamber in which the mold material (M) is anchored in place by the anchoring member relative to the connecting means.Type: GrantFiled: December 20, 1993Date of Patent: September 20, 1994Assignee: Yoshida Kogyo K.K.Inventor: Hirokazu Ebata
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Patent number: 5321871Abstract: A slider for a slide fastener, comprising: a slider body including an upper wing having a cutout; a board shaped cap resiliently received in the cutout and having a claw stopper hole; a claw stopper pivotally mounted in the cap and projecting through the upper wing and into the claw stopper hole; and a resilient claw stopper support mounted on a back surface of the cap and resiliently contacting the claw stopper.Type: GrantFiled: June 25, 1993Date of Patent: June 21, 1994Assignee: Yoshida Kogyo K.K.Inventor: Kiyoshi Oda
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Patent number: 5311648Abstract: A closure assembly can be mounted on a cover, such as tarpaulin, or the like, and an opening through the cover defined beneath the closure assembly to permit movement through the opening while also permitting the opening to be sealed as necessary. The opening can be large enough to permit a motor vehicle to be driven through the cover, as in a situation where a cover is used to close a building access door, or the opening can be sized to permit a person to move through the cover.Type: GrantFiled: December 2, 1991Date of Patent: May 17, 1994Inventor: William Semons
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Patent number: 5293671Abstract: A slider for closing a coupling device, comprising: a slider body having a central guide for guiding male and female coupling elements of the coupling device, and a coupling guide channel; and a C-shape puller pivotally connected at its base to a front end of the slider body so as to be free in motion in a horizontal plane, there being a gap between the body and the puller.Type: GrantFiled: January 28, 1993Date of Patent: March 15, 1994Assignee: Yoshida Kogyo K.K.Inventor: Kiyoshi Oda
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Patent number: 5255418Abstract: An automatically locking slider for concealed zipper, which comprises a slider body formed with a substantially Y-shaped guide channel for the fastener elements, separator being fixedly mounted on the slider body in a central position at the front end thereof, the member separator having a groove for receiving a resilient locking member which is coupled with a pull tab, whereby the resilient locking member can in response to the pulling force of the pull tab move back and forth between a normally automatically locking position and an unlocking position when the slider body is pulled.Type: GrantFiled: November 10, 1992Date of Patent: October 26, 1993Inventor: Shih-Chung Chen
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Patent number: 5195221Abstract: A novel and improved slider with a yoke for a slide fastener and a novel and improved method for attaching or joining the yoke to the slider body, which may be carried out in simple operation to be attractive in appearance and to provide firm combination between the yoke and the slider body.The front and rear support posts the slider body are respectively provided with locking groove and the contact faces of the yoke are also provided with bulged portions opposite to the locking grooves. In a preferred embodiment, after the support posts are covered with the yoke, a press force is applied to the bulged portion in the forging process to flow the material of the bulged portion into the locking groove so as to provide the firm combination.Type: GrantFiled: April 21, 1992Date of Patent: March 23, 1993Assignee: Yoshida Kogyo K.K.Inventors: Hisanobu Kanamaru, Nobuhiro Ichikawa, Hiroshi Yoshida, Keiichi Keyaki
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Patent number: 5187842Abstract: A slider pull tab, for a slide fastener, comprising a main plate of metal having a cutout extending from one edge to the center, and an ornamental plate of synthetic resin to be received in the cutout of the main plate. The main plate has a hollow portion communicating with the cutout, and also a locking hole through one of opposite side walls defining the hollow portion. The ornamental plate has a plug portion to be inserted into the hollow portion of the main plate, the plug portion having a locking claw to be resiliently locked with the locking hole. The ornamental plate is exchangeable with another.Type: GrantFiled: March 6, 1992Date of Patent: February 23, 1993Assignee: Yoshida Kogyo K. K.Inventors: Shunji Akashi, Yasushi Watanabe
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Patent number: 5105512Abstract: A device for manipulating a zipper comprising a slider with a base and a handle to which a pull is fastened. The pull is made of plastic and has portions which are so dimensioned that, when they contact the base and the handle of the slider, they are momentarily deformed, enabling the pull to pivot on the handle and subsequently to return to a stable position.Type: GrantFiled: December 27, 1990Date of Patent: April 21, 1992Assignee: Salomon S.A.Inventor: Franck Aussedat
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Patent number: 5093966Abstract: A pull tab assembly for slide fastener slider is disclosed, which comprises a clamper having at one of its ends a hook, a resilient member supported in the hook and a pull tab having a pair of ears which each have such a geometry that can facilitate mounting and dismounting of the pull tab with respect to the clamper and further protect the resilient member against deformation or damage.Type: GrantFiled: December 26, 1990Date of Patent: March 10, 1992Assignee: Yoshida Kogyo K. K.Inventors: Kenji Yuki, Susumu Ishii
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Patent number: 5090096Abstract: A pull tab for slide fastener sliders comprises a pull tab body being of a flat strip and having a through hole therein and a decorative body comprising a first decorative part and a second decorative part, both decorative parts joined with each other through the through hole of the pull tab body, so that the decorative body is attached to the pull tab body.Type: GrantFiled: May 23, 1991Date of Patent: February 25, 1992Assignee: Yoshida Kogyo K.K.Inventors: Yasuharu Terada, Susumu Ishii
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Patent number: 5068950Abstract: In a slider for slide fasteners including a slider body having an lug on its upper surface; a provisional pull tab is releasably mounted on the slider body during a finishing process and inspection. The provisional pull tab comprises a grip portion adapted for being gripped and pulled for manipulation of the slider; a surrounding attachment rim integrally extending from the grip portion and defining with a proximal end of the grip portion an aperture, through which the attaching lug is inserted so that the provisional pull tab is pivotally mounted on the lug; and a fragile portion disposed around the aperture so that the provisional pull tab can be removed from the lug with great ease.Type: GrantFiled: March 30, 1990Date of Patent: December 3, 1991Assignee: Yoshida Kogyo K. K.Inventor: Kenji Yuki
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Patent number: 5067209Abstract: A slide fastener slider includes a slider body having a mounting hole extending at least through the thickness of an upper wing of the slider body, a circular disk disposed on the upper wing with its central guide hole aligned with the mounting hole, a pull tab pivotally connected to the circular disk, and a headed retainer pin extending loosely through the guide hole and firmly fitted in the mounting hole to rotatably retain the circular disk on the slider body. The circular disk is substantially concealed by an enlarged head of the retainer pin and hence the slider is sightly in appearance. The mounting hole in which the retainer pin is firmly fitted extends through a guide post of the slider body so that the pull tab is firmly retained on the slider body against detachment even when the pull tab is manipulated with a severe pulling force.Type: GrantFiled: October 9, 1990Date of Patent: November 26, 1991Assignee: Yoshida Kogyo K.K.Inventors: Yasuharu Terada, Susumu Ishii, Hiroshi Mizuno
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Patent number: 5067207Abstract: A zipper assembly can be mounted on a cover, such as tarpaulin, or the like, and an opening through the cover defined beneath the zipper assembly to permit movement through the opening while also permitting the opening to be sealed as necessary. The opening can be large enough to permit a motor vehicle to be driven through the cover, as in a situation where a cover is used to close a building access door, or the opening can be sized to permit a person to move through the cover.Type: GrantFiled: August 7, 1990Date of Patent: November 26, 1991Inventor: William Semons
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Patent number: 4985969Abstract: A slider pull tab for a slide fastener comprises a pull tab body formed from an elastic, flexible material and a first connector and a second connector, both connectors being formed as an integral unit from a metal or mechanically strong plastics material by simultaneous cast molding and either of said connectors having a pivotal pin about which the pull tab body can freely rotate. The pull tab body is cast-molded integrally with the second connector and has through apertures communicating with connecting bridges to ensure film bond of the surface layers of the pull tab body.Type: GrantFiled: January 12, 1990Date of Patent: January 22, 1991Assignee: Yoshida Kogyo, K.K.Inventors: Yasuharu Terada, Susumu Ishii
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Patent number: 4984338Abstract: An ornamental pull tab for slide fastener sliders is made from synthetic resin and has on its upper surface a desired pattern. The ornamental pull tab comprises a grip portion including a base plate having in the upper surface a recess in the form of the pattern and a pattern portion formed on the base plate by injection-molding synthetic resin into the recess.Type: GrantFiled: May 17, 1990Date of Patent: January 15, 1991Assignee: Yoshida Kogyo K.K.Inventor: Shunji Akashi
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Patent number: 4982479Abstract: An automatic locking slider for slide fasteners comprises a slider body including a pair of upper and lower wings joined together, the upper wing having a pair of opposed lugs provided protuberantly on its upper surface; a locking member fitted between the lugs and pivotted at its middle to thereto, the locking member having at its lower end a locking prong; a spring member provided on the slider body for normally urging the front end of the locking member upwardly so as to bring the locking prong into locking disposition; and a pull tab for pulling up the rear end of the locking member so as to bring the locking prong out of locking disposition for reciprocation of the slider. The lugs are so bluged roundedly as to have their respective outer sides to extend substantially to and merge into the edge of the front end and as to substantially enclose a front half of the locking member on its opposed sides.Type: GrantFiled: February 13, 1990Date of Patent: January 8, 1991Assignee: Yoshida Kogyo, K.K.Inventor: Kiyoshi Oda
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Patent number: 4980954Abstract: A slider for slide fasteners comprises a slider body, a pull tab for manipulating a slider and a cap-like yoke mounted on the slider body to pivotally join the pull tab to the slider body. The cap-like yoke inlcudes a pair of opposite side walls each having a pair of opposite front and rear legs having the respective engaging means. Teh slider body has a pair of front and rear studs on its upper surface at the front end and the rear end, respectively, the front and the rear studs including the respective pairs of opposite side walls having on their respective inner surface engaging projections engageable with the engaging means for mounting the cap-like yoke on the slider body, so that the pull tab is pivotally joined with the slider body.Type: GrantFiled: October 20, 1989Date of Patent: January 1, 1991Assignee: Yoshida Kogyo K.K.Inventors: Hideo Takabatake, Tomonari Yoshida
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Patent number: 4976015Abstract: A slider pull tab for slide fastener is disclosed, which comprises a connector means, a decorative portion integral therewith and exposed to view at least one surface of the connector means and a grip web formed from soft-type rubber or plastics material. The connector means has a through opening and/or a through aperture which are filled by the material of the grip web during formation of the latter thereby providing increased tensile strength against pull stresses exerted upon pulling the slider pull tab.Type: GrantFiled: October 31, 1989Date of Patent: December 11, 1990Assignee: Yoshida Kogyo K. K.Inventor: Susumu Ishii
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Patent number: 4974297Abstract: A slider pull tab for slide fastener is disclosed, which comprises a clamper portion formed from a metallic material and a finger-grip portion connected thereto, the finger-grip portion being formed from a transparent or semi-transparent synthetic resin into a tongue-like web and including at least in part a transparent see-through region and a decorative region engraved in the lower surface of the finger portion.Type: GrantFiled: November 13, 1989Date of Patent: December 4, 1990Assignee: Yoshida Kogyo K.K.Inventor: Shunji Akashi
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Patent number: 4937922Abstract: A coupling element for a slide fastener is disclosed which is formed of metallic alloys into a desired element shape in a discrete formation. The metallic coupling element is provided on its exposed surfaces with a protective film by ionization plating, and alternatively initially with an intermediate nickel plated layer in advance of the formation of the protective film.Type: GrantFiled: December 6, 1988Date of Patent: July 3, 1990Assignee: Yoshida Kogyo K. K.Inventor: Fumio Okazaki
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Patent number: 4928358Abstract: A pull tab for slide fastener sliders includes a soft elastic grip mound provided on the grip portion of a pull tab body and projecting from one of front and rear surfaces of the pull tab body. The grip mound has a roughened outer surface to increase the resistance to slip and is elastically deformable to fit the shape of the user's finger when the grip portion is gripped. With the grip mound thus provided, the pull tab can be gripped stably and reliably by the user's fingers, which ensures a smooth opening and closing operation of a slide fastener.Type: GrantFiled: February 9, 1989Date of Patent: May 29, 1990Assignee: Yoshida Kogyo K.K.Inventors: Susumu Ishii, Hideyuki Matsushima
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Patent number: 4920615Abstract: A slide fastener slider comprises a slider body, a pull tab support pivotally connected at one end to the slider body, and a pull tab removably attached to the opposite end of the pull tab support. The pull tab support comprises a hook portion hooked to define therein a gap for loosely receiving an annular portion of the pull tab and having in its inner surface engaging means; and a substantially U-shaped resilient member having at its opposite ends fitting means for fitting engagement with the engaging means, to thus close the gap.Type: GrantFiled: April 11, 1989Date of Patent: May 1, 1990Assignee: Yoshida Kogyo K. K.Inventors: Tsunetaka Aoki, Susumu Ishii
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Patent number: 4918794Abstract: An attachment to a zipper pull tab is provided. The attachment is a flexible elongaged member with its length being at least twice its width. The upper portion of the flexible elongated member is provided with an opening through which the lower portion of the elongated member may be inserted.Type: GrantFiled: October 13, 1987Date of Patent: April 24, 1990Assignee: Life-Link International, Inc.Inventors: Billy R. Harvey, David W. Rohrer
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Patent number: 4829638Abstract: In an automatically locking slider in which a pull tab is pivotally connected at its spindle portion to a housing having a built-in locking member and mounted on a upper wing of a slider body, a pull tab carrier is slidably mounted on the upper wing for movement between a closed position to prevent the spindle portion of the pull tab from being removed from the housing and an open position to release the spindle portion from the housing. The pull tab is normally urged to the closed position. Thus the pull tab is detachable for replacement with another.Type: GrantFiled: December 18, 1987Date of Patent: May 16, 1989Assignee: Yoshida Kogyo K. K.Inventor: Susumu Ishii
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Patent number: 4827580Abstract: A lockable slider for a slide fastener is disclosed which has a locking prong integral with a pull tab and engageable between two adjacent fastener elements. The locking prong has a rounded apex, an arcuate slide surface and a vertical lock surface, said slide surface extending a length greater than the space or pitch between adjacent elements such that the locking prong can move freely in sliding relation to the rows of fastener elements on the fastener when the latter is opened.Type: GrantFiled: February 1, 1988Date of Patent: May 9, 1989Assignee: Yoshida Kogyo K. K.Inventor: Iwao Yaguramaki
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Patent number: 4823447Abstract: A pull tab attachment for attaching a pull tab to a slider body is made of a plastically deformable material. The pull tab attachment includes a ring member on one end for being loosely fitted in a pull tab retainer on the slider body, and a pair of jaws comprising a pair of gripper arms on the opposite end for gripping an end of the pull tab therebetween. The gripper arms have on inner confronting surfaces thereof a plurality of biting teeth extending in different directions for biting engagement with the end of the pull tab gripped between the gripper arms.Type: GrantFiled: August 10, 1988Date of Patent: April 25, 1989Assignee: Yoshida Kogyo K.K.Inventor: Shunji Akashi
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Patent number: 4815176Abstract: A lock device for a container having an opening adapted to be opened and closed by a slide fastener is composed of only three structural components, namely a slide fastener slider having a closure member slidably mounted thereon for opening and closing a gap between an arch-shaped lug and the slider body, a lock ring adapted to be connected to the container and capable of being threaded through the gap onto the lug to lock the slider in position against movement, and a separate unlock pin manually operative to move the closure member to its open position for releasing the slider from the lock ring.Type: GrantFiled: February 2, 1988Date of Patent: March 28, 1989Assignee: Yoshida Kogyo K. K.Inventor: Hiroshi Yoshida
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Patent number: 4790050Abstract: A pull tab for a slide fastener slider is disclosed which comprises a first member made of a hard, rigid material and pivotally connected to the slider and a second member made of a soft, resilient material engageable through a plug and socket connection with the first member. The pull tab can be manipulated with utmost ease and security to the user.Type: GrantFiled: March 28, 1988Date of Patent: December 13, 1988Assignee: Yoshida Kogyo K. K.Inventor: Susumu Ishii
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Patent number: 4780938Abstract: A slide fastener slider includes an arch-shaped lug having a rear free end spaced from the top surface of an upper wing by a first gap larger than the diameter of the spindle of a pull tab, and a closure member slidably mounted in the upper wing and having a first closure projection normally disposed adjacent to the rear free end of the lug to substantially close the first gap. In order to prevent objectionable lateral oscillation of the pull tab relative to the lug without increasing the stroke of the closure member, the lug has on its underside an intermediate partition wall spaced from the top surface of the upper wall by a second gap at least equal to the first gap, and the closure member has a second closure projection normally disposed adjacent to the partition wall to substantially close the second gap.Type: GrantFiled: December 18, 1987Date of Patent: November 1, 1988Assignee: Yoshida Kogyo K. K.Inventor: Susumu Ishii
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Patent number: 4768263Abstract: An automatic lock slider for a slide fastener includes a locking prong spring-biased to protrude into a Y-shaped guide channel in a slider body. The locking prong is urged downwardly to engage a coupling head of a coupling element in an intermeshing region where the mating pair of coupling elements are brought into and out of intermeshing engagement. The locking prong is urged against the coupling head to effect locking of the slider.Type: GrantFiled: July 2, 1987Date of Patent: September 6, 1988Assignee: Yoshida Kogyo K. K.Inventors: Takeo Fukuroi, Ichiro Terasaki
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Patent number: 4719673Abstract: An automatic lock slider for a slide fastener provided with discrete coupling elements includes a locking prong which is movable into and out of a guide passage in the slider. The prong has a cam surface downwardly canted at an angle of 20.degree.-30.degree. which represents the critical point at which the coupling elements would otherwise become displaced or dislodged when subjected to stresses tending to spread apart the fastener chain, and the cam surface initiates at a position above the upper end surface of the coupling element. This arrangement facilitates passage of the fastener chain underneath the locking prong without marring the coupling elements when external forces are exerted on the fastener chain.Type: GrantFiled: February 17, 1987Date of Patent: January 19, 1988Assignee: Yoshida Kogyo K. K.Inventor: Yasutoshi Kubo
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Patent number: 4679281Abstract: An automatic lock slider for slide fasteners comprises a slider body including an upper and a lower wing defining therebetween a guide channel for the passage of slide fastener elements, and a first and a second locking member associated with the upper and lower wings, respectively and rotatable in opposite directions into and out of engagement with each other through their respective link arms pivotally connected to the slider body, and a pair of pull tabs operatively associated with the locking members for manipulating the slider selectively from either of its sides.Type: GrantFiled: May 7, 1986Date of Patent: July 14, 1987Assignee: Yoshida Kogyo K. K.Inventors: Susumu Ishii, Kiyoshi Oda
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Patent number: 4667377Abstract: A slide fastener having a top stop assembly including a pair of top end stops which are meshable with each other so as to make the total width of the top stop assembly slightly smaller than the minimum width of a Y-shaped guide channel of a slider for allowing the top stop assembly to pass through the guide channel. The two top end stops have at their inner sides a pair of mating stepped portions complementary in shape to each other. The top stop assembly also includes blocking means for being attached to at least one of the mating stepped portions to prevent the two top end stops from meshing with each other.Type: GrantFiled: December 13, 1985Date of Patent: May 26, 1987Assignee: Yoshida Kogyo K. K.Inventors: Syunji Akashi, Kenji Yuuki
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Patent number: 4624032Abstract: A slide fastener slider has an arch-shaped lug projecting from the top surface of an upper wing and terminating in a rear free end spaced from the top surface of the upper wing by a predetermined gap. A slide is slidably mounted in the upper wing and has a closure projection. The slide is movable between an open position in which the closure projection is spaced from the free end of the lug to open the gap for allowing the pintle of a pull tab to pass therethrough, and a closed position in which the closure projection is disposed adjacent to the free end of the lug to close the gap for preventing the pintle of the pull tab from passing therethrough. The slide is normally urged to its closed position by a spring mounted in the upper wing.Type: GrantFiled: October 4, 1985Date of Patent: November 25, 1986Assignee: Yoshida Kogyo K. K.Inventors: Susumu Ishii, Kiyoshi Oda