With Blade-edge Guard Patents (Class 225/19)
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Patent number: 10271919Abstract: Apparatus and methods for applying a barrier to a medical scope are provided. An apparatus may comprise a source of film and a housing. The housing may comprise a chamber configured to support therein the source of film, and an opening provided through a wall of the housing to permit a portion of the film to extend out of the chamber when the film is dispensed. The housing may comprise a recess located such that the extended portion of the film is permitted to hang freely in proximity to the recess. The recess may be sized to receive a distal portion of the medical scope. The recess may be adapted to allow the extended portion of the film to be applied to the distal portion of the medical scope when the distal portion is placed into the recess with the portion of the film located therebetween.Type: GrantFiled: June 28, 2017Date of Patent: April 30, 2019Assignee: Sano Curatio, LLCInventors: Mitchell Edward Skroski, Richard Alan Swartzbaugh, Harvey Allan Bogarat, Barry Ray Hix, Michael Douglas Plaut, Norman Tien-Yo Chien
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Patent number: 9932196Abstract: The present invention discloses a tape dispenser which includes a body having a downward facing concave space at a bottom thereof, a cutting blade mounted to the body and positioned in the concave space with an cutting edge recessed in the concave space, a groove member being able to move vertically between a first and second location, at the first location, the groove member being partially submerged in the concave space and pocketing at least a portion the cutting blade for cutting a piece of tape, at the second location, the groove member being downwardly away from the bottom of the body for threading a piece of tape through a gap formed between the groove member and the bottom of the body, a side plate attached to an end of the groove member, the side plate being slidably accommodated in a hollowed space formed inside the body, the side plate having a slot for retaining a spring to urge the side plate to slide downwardly resulting in the groove member to move from the first location to the second locationType: GrantFiled: July 1, 2016Date of Patent: April 3, 2018Inventor: Peigen Jiang
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Patent number: 9802781Abstract: The present disclosure provides improved tape dispensers that include a case featuring a pair of opposing main plates each coupled to two circumferential wall plates. The main plates, and corresponding circumferential wall plates, are rotatable relative to one another to expose a support structure for a tape roll. A cutting blade may be provided on one of the circumferential wall plates and may include a substantially arc shaped support surface.Type: GrantFiled: October 11, 2012Date of Patent: October 31, 2017Assignee: 3M Innovative Properties CompanyInventors: Michitomo Kugimiya, Philipp H. Refior
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Patent number: 9387597Abstract: A mechanism used for cutting aluminum foil or stretch film.Type: GrantFiled: March 27, 2014Date of Patent: July 12, 2016Inventor: Tanju Birbil
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Patent number: 8596031Abstract: The present invention relates to a wrap dispensing station and a method for wrapping food products for storage. A selected size roll of material used to wrap food products is mounted in a housing. The leading edge of the roll of material is fed through a slot in the housing. At least one roll of labels is staged in a storage area in the housing. The leading edge of the labels is fed through a label feeding system. At least one writing implement is preferably staged in the storage area in the housing. The leading edge of the roll of material is pulled to a selected length to be used to wrap a food product. A cutting apparatus is used to cut the selected length of material. The food product is wrapped with the selected length of material. A label is removed from the roll of labels, marked with the staged writing implement and placed on the wrapped food product.Type: GrantFiled: May 22, 2006Date of Patent: December 3, 2013Assignee: San Jamar, Inc.Inventors: Jayson Pearl, Tom Wozny, Paul A. Omdoll, Norm Faiola
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Patent number: 8220684Abstract: Apparatus for dispensing paper toweling from a roll of paper toweling includes structure including a fixed cutter blade and a toweling support tray at the toweling exit opening which makes it difficult to “milk” toweling from the dispenser.Type: GrantFiled: February 4, 2010Date of Patent: July 17, 2012Assignee: Dispensing Dynamics InternationalInventors: Joel P. Keily, Niko Anthony Cvjetkovic, Charles Parkin Davis
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Patent number: 7383868Abstract: A tape dispenser includes base plate, a handle, a tape reel and a cutting assembly. The cutting assembly includes a base, a cutter with a blade at an end, a shield, a shield base and a wiper plate. The shield is moved between a first position, in which the shield covers the blade of the cutter to protect users from hurt by the cutter, and a second position, in which the shield exposes the blade of the cutter to cut a tape off. The wiper plate has an elastic member with an end urging the shield toward the first position. No independent spring is included to reduce a number of elements and a cost of manufacture.Type: GrantFiled: December 28, 2006Date of Patent: June 10, 2008Inventor: Harrison Huang
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Patent number: 6848489Abstract: A dispenser comprises a frame that supports a roll of adhesive tape, a handle, a flexible spatula for applying the cut end of the tape, and a cutting blade. The flexible spatula forms a right-angled member having a main arm and another arm which supports the cutting blade. The right-angled member is mounted so as to be rotatable between a rest position, in which the cutting blade is pressed by a spring against a protective member, and a working position, in which the cutting blade is lifted from the protective member so that serrations thereon intersect the path of the adhesive tape. This protective member has a face, on which the blade rests, and which ends in a projecting lip, forming a frontal protection for the serrations on the blade.Type: GrantFiled: April 14, 2003Date of Patent: February 1, 2005Assignees: Ben Clements & Sons, Inc., Societa'Internazionale Applicazioni Techniche S.p.A.Inventor: Adelio Lissoni
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Patent number: 6799623Abstract: An adhesive tape cutter includes a control mechanism, an operation mechanism located on the control mechanism and a dispensing mechanism connecting to the control mechanism and located above the operation mechanism. The control mechanism has a protective mechanism, a wiper and a cutting mechanism. When the tape cutter is not in use, the protective mechanism is extended over the cutting mechanism outside the tape cutter to avoid hurting users.Type: GrantFiled: June 13, 2003Date of Patent: October 5, 2004Assignee: Tai-Ray Industries Ltd.Inventor: Wen-Shu Cheng
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Patent number: 6789594Abstract: A tape dispenser with a hidden blade includes a body, a press plate provided at a front side of the body and possible to be pressed to move rearward elastically to push down a blade fixed on a blade base to force the blade to protrude out of the body a little for cutting a tape. After the tape is cut and the press plate is released manually, the blade with the blade base together is raised up to the original position elastically and automatically, kept safe to use and prevented from damage by accidental collision by something.Type: GrantFiled: April 25, 2003Date of Patent: September 14, 2004Inventor: Hsiu-Man Yu Chen
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Patent number: 6786376Abstract: A dispenser from which sheet material may be dispensed from a supply of the sheet material carried on the dispenser. The dispenser has a frame on which the roll of sheet material is journaled for rotation about its axis. An elongate blade fixed to the frame has a sharp cutting edge that is adapted for transversely cutting the sheet material after a desired length of the sheet material has been dispensed. A guard strip of resiliently movable material extends along one major surface of the blade and along the cutting edge to help protect the sheet material and/or users of the dispenser from the cutting edge. That guard strip is resiliently movable by pulling the sheet material toward the cutting edge to allow the cutting edge to transversely sever the sheet material being pulled from the dispenser.Type: GrantFiled: May 17, 2000Date of Patent: September 7, 2004Assignee: 3M Innovative Properties CompanyInventors: James F. Pitzen, Ronald C. Johansson
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Publication number: 20040089690Abstract: A tape dispenser has a housing with a cutting end to which a blade is connected. The blade has a cutting edge extending outwardly beyond the cutting end of the housing. A shield is positioned adjacent the cutting edge of the blade to reduce the exposure of the cutting edge to reduce the risk or extent of potential injury.Type: ApplicationFiled: November 12, 2002Publication date: May 13, 2004Inventor: Ashok V. Chandaria
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Patent number: 6668697Abstract: An automatic cutting device for an adhesive-tape holder includes a handle, a blade holder, a blade and a press plate. The blade holder is provided with two fixing studs and a receiving groove. The blade has two oval holes fitted around the fixing studs of the blade holder. The blade slide base is mounted on the blade to activate the blade to move forward, and provided with two oval holes, a projecting stud and a spring. The press plate is formed with a push plate at the lower end for pushing the blade slide base. The blade is sandwiched between the blade slide base and the blade holder to be guided and restricted in shifting, so that it can automatically cut off an adhesive tape with precision when the press plate is pressed.Type: GrantFiled: January 30, 2002Date of Patent: December 30, 2003Inventor: Hsiu-Man Yu Chen
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Patent number: 6666898Abstract: An adhesive-tape cutting device of an adhesive-tape holder includes a side plate provided on one side of a blade holder of the adhesive-tape holder. The side plate is provided with a support rod and a pivotal shaft. A press plate is formed with a push plate at its lower end to push a slide base together with a blade to move forward, with a curved support member formed between the press plate and the push plate and rested against the support rod of the side plate. The curved support member rests against the support rod serving as a fulcrum, operating the press plate with a little force to let the blade cut off an adhesive tape easily. The press plate is sandwiched between the support rod and the slide base, so it is needless to be additionally provided with any fixing member, economizing cost and facilitating assembling.Type: GrantFiled: January 30, 2002Date of Patent: December 23, 2003Inventor: Hsiu-Man Yu Chen
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Publication number: 20030183060Abstract: An adhesive-tape cutting device of an adhesive-tape holder has a position-limiting device provided between the vertical short side of a slide base and the push plate portion of a press plate. The position-limiting device is composed of two position-limiting holes bored on the vertical short side of the slide base and two insert studs fixed on the push plate portion of the press plate, and the two insert studs respectively received in the two position-limiting holes to prevent the slide base from sliding leftward or rightward.Type: ApplicationFiled: March 27, 2002Publication date: October 2, 2003Inventor: Hsiu-Man Yu Chen
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Patent number: 6575345Abstract: A portable dispenser with which lengths of a sheet material may be manually dispensed from a supply roll of the sheet material. The dispenser has a frame including a bridging portion adapted to extend along a portion of the periphery of the roll of sheet material, and end wall portions fixed to the ends of the bridging portion and adapted to extend along the opposite end surfaces of the roll of sheet material on which the roll of sheet material is rotatably journaled. A resiliently flexible cantilevered portion of the frame has a proximal edge fixed to the bridging portion and has a sharp cutting edge along its opposite distal edge. A guard portion of the frame extends between its end wall portions and has an inner surface extending along the side of the cutting edge opposite the roll.Type: GrantFiled: December 21, 2000Date of Patent: June 10, 2003Assignee: 3M Innovative Properties CompanyInventors: James F. Pitzen, Ronald C. Johansson, Mark D. Sorlien
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Patent number: 6463980Abstract: A cutter shield of an adhesive tape dispenser comprises a carrying seat and a cover. The carrying seat is provided with two longitudinal holes for fastening the carrying seat over the cutter of the adhesive tape dispenser by bolts which are received in the longitudinal holes. The carrying seat is provided in one side with two upright plates which are provided with two locating holes. The cover is pivoted with the carrying seat and is provided in one side with an arcuate tongue and a curved guard extending therefrom at an angle. The cover is provided in other side with two recesses and a flat portion which is provided in two ends thereof with a projection. The projection is retained in the locating hole of the carrying seat.Type: GrantFiled: September 13, 2000Date of Patent: October 15, 2002Inventor: Harrison Huang
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Patent number: 6367533Abstract: A cut-off blade assembly including a thin metal blade having an attachment portion by which the cut-off blade assembly can be attached to a dispenser, and a plurality of projecting similarly shaped triangular primary teeth. The triangular primary teeth each have two sides terminating in points and have bases adjacent the attachment portion that are aligned in a first direction along the blade so that their points project generally at right angles to that first direction. Edge surfaces on the sides and at the points of the primary teeth intersect a major surface of the primary teeth at an included angle of no greater than about 90 degrees to define a cutting edge at that intersection. The cut-off blade assembly further includes projections along one major surface of the primary teeth.Type: GrantFiled: July 21, 1999Date of Patent: April 9, 2002Assignee: 3M Innovative Properties CompanyInventor: James F. Pitzen
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Patent number: 6296033Abstract: A tape applicator includes a frame. A blade is affixed to the frame. A guard is mounted on the frame and extends from the frame beyond the edge of the blade. The guard is deflected as the tape is drawn across the blade.Type: GrantFiled: July 23, 1999Date of Patent: October 2, 2001Assignees: Clements Industries, Inc., Ben Clements & Sons, Inc.Inventor: Alan Clements
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Patent number: 5620128Abstract: A clamshell type container for dispensing paper having upper and lower hingedly connected portions. The container may be transparent, and may enclose a conventional box of wax paper or plastic wrap for dispensing. A safety front edge protects the user against cuts when cutting the dispensed paper. A resiliently-biased releasable locking mechanism holds the container in a closed position.Type: GrantFiled: February 17, 1995Date of Patent: April 15, 1997Assignee: Robert K. DingmanInventors: Robert K. Dingman, Narasimha S. Paravastu
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Patent number: 5456790Abstract: The tape dispenser has a cutting device with a blade, a blade protecting shield mounted above the blade, and a pair of pivot shafts. The blade protecting shield has a frontward edge, a rearward edge opposite to the frontward edge, a projection with two opposed end portions which extend integrally and rearwardly from the rearward edge, and a pair of spaced pivot blocks which extend rearwardly from the rearward edge and which are respectively on two sides of the projection such that a clearance is formed between each of the pivot blocks and a respective one of the opposed end portions of the projection. Each of the pivot blocks has a recess to receive a respective one of the pivot shafts and is pivotable relative to the connecting plates between a first position, wherein the front edge of the blade protecting shield uncovers the blade, and a second position, wherein the blade protecting shield covers the blade.Type: GrantFiled: August 10, 1994Date of Patent: October 10, 1995Assignee: Yang Bey Industrial Co., Ltd.Inventor: Hsiu-Man Yu Chen
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Patent number: 5292046Abstract: A roll film dispenser is disclosed which utilizes a switch-retractable serrated blade to cut film being dispensed. In one embodiment of the invention, the roll film dispenser contains a roll of film which is arranged so that the end of the roll exits the dispenser through a slot at the top. Severance of the film is accomplished by tearing the sheet over the serrated blade. When not in use, the serrated blade may be manually retracted. Optionally, an acrylic sheet may be interposed between the slot and the blade to aid in stabilizing PVC-type films prior to cutting. A conforming weight is provided at the lower rear of the dispenser to resist rollover.Type: GrantFiled: November 23, 1992Date of Patent: March 8, 1994Assignee: Allen Reed Company, IncorporatedInventors: Ian R. Kaiser, Michael C. Kaiser, Sean A. Neiberger
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Patent number: 5222644Abstract: A dispenser for rolls of sheet material where the enclosure has a hinged section attached to the serrated cutting blade enabling the blade to pivot about a longitudinal axis past a lipped rubber gasket extending along the front edge of the bottom wall of the enclosure, preventing children or others from cutting themselves when the device is not in use.Type: GrantFiled: June 8, 1992Date of Patent: June 29, 1993Inventor: Ruth B. Moreno
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Patent number: 5213245Abstract: An improved clear-wrap dispenser is provided which consists of a housing having a bottom wall, a front wall and a pair of side walls, so as to form a compartment therein with an open back and an open top. A generally U-shaped handle is pivotally mounted to the side walls of the housing, so that when in an upright position the handle can be gripped to carry the housing. A roll of clear-wrap is rotatably positioned within the compartment in the housing from the open back between the side walls, so as to be dispensed therefrom through the open top. A cutting blade is disposed within the housing along a top edge of the front wall. A mechanism is for retracting and extracting the cutting blade with respect to the top edge of the front wall of the housing by pivoting the handle on the side walls, so that when retracted the cutting blade will be safely stored and when extracted the cutting blade will be able to cut the clear-wrap being dispensed therefrom.Type: GrantFiled: October 19, 1992Date of Patent: May 25, 1993Inventor: Tupua M. Puaatuua
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Patent number: 5054675Abstract: Apparatus including a U-shaped bracket supporting an axle mounting a roll of tissue thereon. A triangular cross-sectional elongate abutment member that includes an elongate projecting edge oriented parallel to and below the axis of the roll of tissue mounted rearwardly thereof against a support surface mounting the tissue dispenser. Modification of the instant invention include an elongate serrated edge associated with a manual grasp bar the displacement of the serrated edge prior to removal of a preselected length of tissue from the roll. The serrated edge may optionally include a resilient deformable engagement strip preventing access of a leading edge of the tissue roll to the serrated edge until downward pressure displaces the strip to expose the underlying serrated edge.Type: GrantFiled: February 28, 1990Date of Patent: October 8, 1991Inventor: Bill Taves
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Patent number: 5031813Abstract: Disclosed is a dispensing container for sheet-like material in roll form wherein the container has a tear strip having end tab portions which facilitate easy and safe removal of the strip.Type: GrantFiled: June 1, 1990Date of Patent: July 16, 1991Assignee: Dow Brands, Inc.Inventor: David N. Broughton
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Patent number: 5024362Abstract: A guard intended to prevent hand-injuries against tear-bars has an elongated form (6) and extends parallel with a tear-edge and is moveable in a direction transversal to its longitudinal axis. The guard (6) has a length equal to the length of the tear-bar (2). The guard (6) is guided in a gap (5) defined between a strip-like (4) front side of the tear-bar (2) and an inwardly angled part of the wall (1) of the casing intended to accommodate, for instance, a paper-roll holder incorporating the tear-bar (2). For the purpose of limiting movement of the guard (6) between an outer active guard position and an inner inactive position, in which the tear-edge of the tear-bar (2) is exposed, there is provided along the guard (6) a rib (8) which abuts the free edge of the strip-like front side of the tear-bar in the outer position of the guard. The guard is displaced to its inner position in the gap (5) by the material web (P) when severing the paper-web against the tear-bar (2).Type: GrantFiled: January 31, 1990Date of Patent: June 18, 1991Assignee: Metsa-Serla OYInventor: Lars-Ake Karlsson
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Patent number: 4951858Abstract: A wrap dispenser comprises a generally rectangular box structure having a base, front and back walls, left and right side walls, and a hinged top or lid. A roll containment wall is mounted parallel to but displaced a short distance inwardly from said front wall, and serves to define the forward side of a central cavity to hold a roll of commercially-available plastic wrap within the dispenser. The front wall holds a cutting blade, and the top edge of the front wall includes a blade recess portion narrower than the width of the blade. The lid includes a recessed front edge that is wider than the blade recess portion, but narrower than the front wall itself. The side walls include recessed upper corners to enable a user to reach into the separation area between the containment wall and the front wall.Type: GrantFiled: November 30, 1988Date of Patent: August 28, 1990Inventor: Kenneth Krall
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Patent number: 4887355Abstract: The invention is a device for opening heat sealed cellophane bags and packages. It is formed of a support bracket assembly, a doubled edged razor blade, and a safety guard assembly. The support bracket assembly is secured to the bottom surface of a cabinet or shelf. One end of the razor blade is inserted into a horizontal slot on the front wall of the support bracket assembly and it is secured in position by a screw. The other end of the razor blade is inserted into a horizontal slot in a vertical wall surface of the safety guard assembly and it is secured therein by a screw. The safety guard assembly is thus entirely supported by the razor blade and at a predetermined spaced distance from the front wall of the support bracket assembly so that a sealed cellophane bag or package can be drawn between their respective wall surfaces thus allowing the razor blade to cut off the heat sealed end of the bag.Type: GrantFiled: June 6, 1988Date of Patent: December 19, 1989Inventor: Brian S. Colbert
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Patent number: 4807789Abstract: A tape dispensing apparatus equipped with improved means for cutting tape into discrete segments. A straight-edged blade vertically disposed and secured within a U-shaped support provides enhanced cutting abilities while protecting the operator from injurious contact with the blade cutting edges.Type: GrantFiled: December 29, 1986Date of Patent: February 28, 1989Inventor: John W. Gana
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Patent number: 4787543Abstract: A disposable dispenser for tough, hardly tearable, unadhesive, weblike rolled-up material.Type: GrantFiled: May 18, 1987Date of Patent: November 29, 1988Assignee: Molnlycke ABInventors: Tomas Fabo, Rolf Abrahamsson
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Patent number: 4579266Abstract: A paper dispensing device comprising a holder containing a paper web reel and consisting of a support (4) to be fastened to a substrate (3) and a hood (5) to be releasably fixed to said support (4), said support (4) having a central opening (9) for passing the paper web and at the side of said opening at least one ripping edge (10), while in the operational state of the device the hood covers the reel on the support, wherein the support has a rim (8) protruding like a console and passing around the side intended for the substrate,at the lower end to be fastened to the support the hood (5) has a substantially U-shaped widening (13) for receiving the rim (8) of the support (4),in the mounted position the hood grips around the rim of the support by its widened part partly from above, laterally and from below,and the hood (5) can be slipped in a self-clamping manner onto the rim (8) of the support (4) and can be fastened thereto in its end position in a resilient manner, in order to simply close and open the dispType: GrantFiled: February 2, 1984Date of Patent: April 1, 1986Assignee: 501 Edet Nederland B.V. TilburgInventors: Karl-Heinz Bunger, Willem J. Emmen
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Patent number: 4579267Abstract: A cutting device for a continuous paper web (4), said web being advanced from a paper web supply (8) by the aid of at least one advancing means (11, 14, 15) to a feed-out location (17) where the cutting may take place, a deflector (16) being provided downstream of said advancing means (11, 14, 15) and changing the direction of movement of said web (4), so that the web is advanced toward the feed-out location (17). A stationary knife (18) is provided downstream of said deflector (16), the edge of said knife (18) being arranged so as to face away from said feed-out location (17) and toward said deflector (16) and the edge of said knife forming an acute angle with said deflector means (16). Said deflector is a sheet shaped to be bendable toward the base of said knife, the edge of said knife (18) not contacting and cutting said paper web until the free end (4') of the web is pulled, e.g. by hand (19), in a direction forming an angle with said deflector (16) and, thus, bending it.Type: GrantFiled: March 2, 1984Date of Patent: April 1, 1986Assignee: A/S Tomra SystemsInventor: Tore Planke
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Patent number: 4524895Abstract: The invention relates to a holder for paper rolls with central dispensing of the paper from the interior of the roll. There is a pull-out opening for the paper web in one end wall of the holder, where it is surrounded by a projecting, substantially tubular, tearing device with tearing teeth for tearing off the paper web. According to the invention, the holder is firstly made so that it can be mounted in any position, and secondly its tearing device is provided with protective projections, which extend beyond the tearing teeth.Type: GrantFiled: March 15, 1983Date of Patent: June 25, 1985Assignee: Molnlycke ABInventor: Bertil Lunden
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Patent number: 4364501Abstract: An assembly for dispensing tickets in strip form from a roll thereof registers a cutting blade with respect to drive openings in the strip of tickets, the drive openings occuring at the opposite ends of each ticket.Type: GrantFiled: December 15, 1980Date of Patent: December 21, 1982Assignee: Instrumental ProductsInventor: John S. Curtiss, Jr.
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Patent number: 4175685Abstract: A tape dispenser having a cutting blade comprising a razor blade with a self-contained guard in the form of a plurality of spiral windings of a flexible material with the windings spaced to permit the cutting of the edge of polyester and polypropylene-backed pressure-sensitive adhesive tapes.Type: GrantFiled: June 23, 1978Date of Patent: November 27, 1979Assignee: Minnesota Mining and Manufacturing CompanyInventor: Gerald J. Niles
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Patent number: 4130228Abstract: A container for dispensing increments of tearable film from a roll of the film in the container, having a cutting edge on a portion of the cover, and so arranged that during shipping and storage of the container holding the film, the portion of the cover with the cutting edge is tucked within the box and thereby enhancing safety and protection of the cutting edge and that upon the film being dispensed the said portion of the cover with the cutting edge is moved outwardly of the box to expose the cutting edge and to position it for cutting increments of film from the roll of film.Type: GrantFiled: November 16, 1977Date of Patent: December 19, 1978Assignee: The St. Regis Paper CompanyInventor: Ronald Perrin
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Patent number: 4085878Abstract: An improved dispenser-cutter for rolled fabric materials, particularly tacky materials such as wax-impregnated fibrous paper, which comprises a cutting blade mounted on a slideable carriage reciprocally movable between cutting and retracted positions, the carriage including roller elements arranged to guide the material to the cutting disposition, hold it during cutting action, free it from the cutting blade and position it against snap back after the cutting action, for easy safe access.Type: GrantFiled: February 7, 1977Date of Patent: April 25, 1978Assignee: Union Carbide CorporationInventor: Joseph Anthony Nausedas