Heads And Casings Patents (Class 15/171)
  • Publication number: 20070294849
    Abstract: A tool system is disclosed having a body including a handle extending therefrom, a detachable head including a working tool, and a multi-part connector for detachable connecting the head to the body, the connector including opposed, flexible members positioned on the body towards an end of the body and means on the head for connecting with the opposed flexible members, the opposed flexible members and the means for connecting with the flexible members working in concert to detachably secure the head to the body. The handle of the tool system can be offset with respect to the axis of the body and the detachable head.
    Type: Application
    Filed: June 27, 2007
    Publication date: December 27, 2007
    Applicant: PROLABEL, INC.
    Inventor: Perry S. Bagley
  • Patent number: 7284295
    Abstract: A cleaning element, in particular for brooms or brushes, comprises: a plurality of bundles of fibers, a fastening element attached to each bundle to hold the relative fibers, a support for the bundles which has an inner cavity designed to house the fastening elements and a plurality of holes for the passage of the fastening elements and the relative bundles; the support comprises a first, outer body and a second, inner body, the latter having a substantially ā€œLā€-shaped cross-section and being inserted in the first body according to a direction perpendicular to the direction of longitudinal extension of the holes; the cleaning element having parts for connecting the first body and the second body.
    Type: Grant
    Filed: March 30, 2006
    Date of Patent: October 23, 2007
    Assignee: FHP di R. Freudenberg S.a.s.
    Inventor: Alessandro Brugora
  • Patent number: 7036179
    Abstract: A brush and in particular a tooth brush comprises a brush body and a bristle carrier supporting a plurality of bristles and being preferably removably retained on the brush body. The bristle carrier, consisting of soft-elastic plastic material, is formed as a cap and can be drawn over a projection of the brush body.
    Type: Grant
    Filed: September 27, 2000
    Date of Patent: May 2, 2006
    Assignee: Coronet-Werke GmbH
    Inventor: Georg Weihrauch
  • Patent number: 6925673
    Abstract: A cleaning element (1) for brooms or brushes comprises a board (2) having a surface (3) for supporting a plurality of clusters or bundles (4) of fibres forming a cleaning body (5); each cluster (4) is provided with a related element (6) for fastening the clusters (4) to the surface (3) and it can be associated to the board (2); the latter has at least an internal cavity (7) for housing the fastening elements (6) in correspondence with their passage through related through holes (8) provided in the support surface (3).
    Type: Grant
    Filed: August 5, 2002
    Date of Patent: August 9, 2005
    Inventor: Francesco Sartori
  • Patent number: 6872026
    Abstract: A handle connector for securing the head of a cleaning tool to its handle is formed as a unitary integral body, preferably of die-cast construction. The connector has two distal ends. At one end, there is an opening for receiving a handle. The other end of the connector extends outwardly and is configured to mate with the head of a broom, mop, or similar manual tool. The body of the connector includes a floating web comprising a substantially flat section and laterally flanking slots. A bolt and wing nut are provided for joining the handle to the connector. As the wing nut is manually tightened against the connector, it applies a compressive force against the flat section of web, which flexes inward in relation to the handle, ultimately contacting the outside surface of the handle. Continued manual tightening ensures for a tight fit between handle and connector and rigidly secures the joint between these tool components.
    Type: Grant
    Filed: April 4, 2003
    Date of Patent: March 29, 2005
    Assignee: Quickie Manufacturing Corporation
    Inventor: Robert E. Petner
  • Publication number: 20040064910
    Abstract: A brush implement for connection to a shaft or handle of a cleaning device, includes a head component with bristles extending from a bottom surface thereof, a cover component releasably engageable with the head component, and a connector formed on the cover component for releasably attaching the shaft or handle.
    Type: Application
    Filed: October 8, 2002
    Publication date: April 8, 2004
    Inventor: Ronald Alexander Young
  • Publication number: 20040055100
    Abstract: A cleaning element (1) for brooms or brushes comprises a board (2) having a surface (3) for supporting a plurality of clusters or bundles (4) of fibres forming a cleaning body (5); each cluster (4) is provided with a related element (6) for fastening the clusters (4) to the surface (3) and it can be associated to the board (2); the latter has at least an internal cavity (7) for housing the fastening elements (6) in correspondence with their passage through related through holes (8) provided in the support surface (3.
    Type: Application
    Filed: July 21, 2003
    Publication date: March 25, 2004
    Inventor: Francesco Sartori
  • Patent number: 6598257
    Abstract: A broom with a broom head has flared out bristles projecting therefrom so as to form a leading edge for reaching into confined spaces. The broom head has an opening therethrough to define an integral handle to better control the leading edge and the broomstick is angled away from the leading edge to facilitate entry into confined spaces.
    Type: Grant
    Filed: January 10, 2001
    Date of Patent: July 29, 2003
    Assignee: Kaminstein Imports, Inc.
    Inventor: Flabio Cavalheiro
  • Publication number: 20030000037
    Abstract: The present invention is a new and unique device which allows a brush to be securely attached to a container. A wedge plate is located at the brush head and in line with the handle. Offset from the handle is a base plate. The base plate is wider and longer than the wedge plate. When forced onto the rim of a bucket the invention flattens a region of the rim between the base plate and the wedge plate. This creates three points of contact with the brush—one on the outside of the bucket and two flanking the first but on the inside of the bucket.
    Type: Application
    Filed: June 28, 2001
    Publication date: January 2, 2003
    Inventors: Adam Carr, Steve Sieckowski
  • Publication number: 20020194690
    Abstract: The present invention comprises in combination a paint brush and a brush tilting mechanism including a paint brush of the type including a ferrule, bristles and a handle; and includes a ferrule having a raised portion such that the bristles of the brush are oriented upwardly away from a flat surface when said paint brush being laid onto a flat surface.
    Type: Application
    Filed: June 26, 2001
    Publication date: December 26, 2002
    Inventors: Ed Vaes, Mark A. Koch
  • Publication number: 20020144370
    Abstract: A cleaning/scrub brush has an adapter integrally molded into the body of the brush. The distal end of the adapter is totally enclosed within the plastic body of the brush and has a structure to increase the surface area of the adapter within the brush to strengthen the molded bond. The proximal end of the adapter has a spring loaded pin to secure an elongated handle to the brush.
    Type: Application
    Filed: April 5, 2001
    Publication date: October 10, 2002
    Inventor: George Varga
  • Publication number: 20020088072
    Abstract: A broom with a broom head has flared out bristles projecting therefrom so as to form a leading edge for reaching into confined spaces. The broom head has an opening therethrough to define an integral handle to better control the leading edge and the broomstick is angled away from the leading edge to facilitate entry into confined spaces.
    Type: Application
    Filed: January 10, 2001
    Publication date: July 11, 2002
    Inventor: Flabio Cavalheiro
  • Patent number: 6049937
    Abstract: A broom hub is provided for use as a component in the manufacture of brooms which includes a wire retention mechanism. Generally, brooms include a handle, a plurality of bristles extending therefrom, and a wire wrapped around the bristles to secure the bristles to the handle. Specifically, the broom hub of this invention includes a sleeve for receiving the handle and a wire retention mechanism disposed on a sleeve. Preferably, the wire retention mechanism is configured to grasp the wire. Accordingly, the bristles are secured to the handle between the broom hub and the wire.
    Type: Grant
    Filed: March 26, 1998
    Date of Patent: April 18, 2000
    Assignee: Rubbermaid Incorporated
    Inventor: Neal Jacobs
  • Patent number: 5970563
    Abstract: A broom having a handle with a threaded end and a broom head connected to the handle which includes a generally cylindrical sleeve made of plastic having a first end which defines an open surface extending therethrough and a second end which defines a reverse threaded open surface in communication with the open surface of the first end, wherein the open surfaces are configured to receive the threaded end of the handle and wherein the sleeve is employed in a method for winding a broom head which includes mating the sleeve to a threaded shaft, disposing broom corn about the sleeve, securing an end from a winding wire through the broom corn to the sleeve, clockwise rotating the shaft such that the winding wire wraps about the broom corn in a manner to secure the broom corn to the sleeve and connecting another end of the wire to the sleeve.
    Type: Grant
    Filed: February 23, 1996
    Date of Patent: October 26, 1999
    Assignee: The Thomas Monahan Company
    Inventor: Jon Monahan
  • Patent number: 5951113
    Abstract: A hollow brushware article and its method of construction are described. The brushware article is constructed from a thin thermoplastic base having arms radiating from a center portion and tufts integrally fused on the upper surface of the base. The terminal portions of the arms mount segmented threads at ends thereof on the upper surface, and the lower surface mounts an aligning member so that when the ends are drawn together with the aligning member abutting, a hollow brushware article will be formed with a threaded male portion for receipt in a female handle member.
    Type: Grant
    Filed: January 28, 1998
    Date of Patent: September 14, 1999
    Assignee: Tucel Industries, Inc.
    Inventor: John C. Lewis, Jr.
  • Patent number: 5836037
    Abstract: A broom having a handle with a threaded end and a broom head connected to the handle which includes a generally cylindrical sleeve made of plastic having a first end which defines an open surface extending axially therethrough and a second end which defines a forward threaded open surface extending axially therethrough in communication with the open surface of the first end, wherein the open surfaces are configured to receive the threaded end of the handle and wherein the sleeve is employed in a method for winding a broom head which includes mating the sleeve to a forward threaded shaft, fixing the position of the sleeve to the shaft, disposing broom corn about the sleeve, securing an end from a winding wire through the broom corn to the sleeve, clockwise rotating the shaft such that the winding wire wraps about the broom corn in a manner to secure the broom corn to the sleeve and connecting another end of the wire to the sleeve.
    Type: Grant
    Filed: May 21, 1996
    Date of Patent: November 17, 1998
    Assignee: The Thomas Monahan Co.
    Inventor: Jon Monahan
  • Patent number: 5799360
    Abstract: A broom and dustpan combination where the broom includes an elongated handle, a body of straw-like members, and a holder in which a dustpan may be releasably retained is disclosed. The dust pan is foldable about a hinge member and is held within the holder by a locking member. A spring biases the dustpan into its open position and a pair of feet hold the bottom back of the dustpan upwardly so that debris can be swept into the same.
    Type: Grant
    Filed: August 27, 1997
    Date of Patent: September 1, 1998
    Assignee: Big Ideas, L.L.C.
    Inventor: John Vosbikian
  • Patent number: 5774922
    Abstract: A broom head for channeling spreadable material, such as sand and debris. This broom head is represented by a manual push broom embodiment and an embodiment for adaption to a motorized vehicle. In both embodiments, the arms of the broom converge at a junction to form an interior angle. The bristles bordering along this interior angle form a leading edge which channels any spreadable material toward the junction of the angle. The manual push broom embodiment adopts a V-shaped structure, thereby having a single interior angle, while the motorized embodiment adopts an X-shaped structure and thereby has at least two interior angles. The channeling ability of this broom head is especially useful for paving and road work, where sand must be channeled into cracks for purposes of repair.
    Type: Grant
    Filed: December 3, 1996
    Date of Patent: July 7, 1998
    Inventor: James Bumb
  • Patent number: 5758385
    Abstract: A cap for a broom has a shroud that simulates the appearance of the head of a straw broom and has front, rear, end and top walls defining an internal cavity. A cylindrical socket extends inwardly of the cavity from the top wall and may be threaded to receive the threaded end of a broom handle. A collar upstanding from the top wall provides additional support for the handle. An integrally moulded post projects into the cavity from the bottom of the socket and a nut, preferably a wing nut, is threadably secured to the post. The shroud can be filled with straws and a curable mass poured into the cavity to bind the straws together. The nut will be embedded within the curable mass as it cures and will prevent the mass and straws from coming out of the shroud during use.
    Type: Grant
    Filed: July 29, 1996
    Date of Patent: June 2, 1998
    Assignee: Neudorf Hutterian Brethern
    Inventor: David J. Waldner
  • Patent number: 5664279
    Abstract: A broom and dustpan combination wherein the broom includes an elongated handle and a body of straw-like members secured to and extending downwardly from an end of the elongated handle. A shroud member is secured to the top of the body of straw-like members and has a front wall, a rear wall, a top wall and a substantially open bottom. The body of straw-like members is positioned between the front and rear walls of the shroud member. The shroud member includes a pair of spaced apart rail members for retaining the dustpan which is adapted to slidably fit therebetween.
    Type: Grant
    Filed: February 28, 1996
    Date of Patent: September 9, 1997
    Assignee: Big Ideas, L.L.C.
    Inventor: John Vosbikian
  • Patent number: 5502862
    Abstract: A dual function locking bracket for holding and supporting the handle of a push broom or other hand cleaning push tool. The bracket is configured to support the handle in two different positions. For use in transporting and merchandising circumstances, the bracket holds and secures the handle close to the brush or cleaning head of the broom, with the longitudinal axis of the handle parallel to the length dimension or longitudinal axis of the cleaning head. The bracket can be readily removed and converted to retain the handle in a cleaning use mode. Use of the bracket in this manner forms an immovable connection which prevents the handle from coming loose from the cleaning head joint with the handle, supplies an extra measure of stability to the broom at its handle/cleaning head joint, and provides the handle additional strength to prevent handle breakage.
    Type: Grant
    Filed: June 26, 1995
    Date of Patent: April 2, 1996
    Assignee: Quickie Manufacturing Corporation
    Inventor: Peter S. Vosbikian
  • Patent number: 5485648
    Abstract: An article such as a broom back coated with a covering comprising a layer (9) of thermoformable plastic material. The broom backs (1) are introduced in a chamber (6) of a thermoforming machine (5) radiating panel (8). A plate of thermoformable material is put on the broom backs (1) and by the action of the heat radiated by the panel (8) and under vacuum condition the plate melts forming a layer (9) which wraps the broom backs (1) almost completely. The coating layer (9) thus formed after deformation maintains its colour and brightness and inscriptions and fancy drawings can also be preprinted on it. The covering formed by said layer (9) comprises an upper and a side surface completely wrapping the upper and the side faces of broom backs (1) and a lower bent edge partially coating the lower face (2a) thereof. The layer (9), which preferably is of PVC or polystyrene, advantageously preprinted, is firmly secured to the broom backs (1) after cooling.
    Type: Grant
    Filed: June 16, 1994
    Date of Patent: January 23, 1996
    Assignee: Sergio Balducci
    Inventors: Sergio Balducci, Roberto Giraldi
  • Patent number: 5435328
    Abstract: A multi-purpose toiletry article which comprises: a long, rigid, plastic handle; a preferably oval rigid, plastic support head mounted in fixed or pivotal relationship at one end of such handle; and a removable fastener to removably and interchangeably affix one of a multiple of oval working members to said oval support head.
    Type: Grant
    Filed: September 2, 1993
    Date of Patent: July 25, 1995
    Inventor: Joan L. Grohoske
  • Patent number: 5414889
    Abstract: A versatile broom, brush or similar floor care implement comprises a head anchoring on a first side thereof a multiplicity of bristles presenting a substantially-flat bristle surface, and an integrally-formed connector-mating structure on an opposed second side of the head. The cleaning implement is maneuvered by an elongated handle disposed at a variety of preselected angles. Intermediate the head and handle is a handle interconnector to which the handle is detachably secured at one extremity and a connection assembly is ratchetably-pivotably secured at the other extremity. The connection assembly and the integrally-formed connector-mating structure on the head interact so that the handle can be selectively pivoted in a single plane as much as 180.degree. or more and locked at any of a number of preselected angles relative to the substantially-flat bristle-end surface.
    Type: Grant
    Filed: March 15, 1994
    Date of Patent: May 16, 1995
    Assignee: M. B. Walton, Inc.
    Inventor: Francesco Sartori
  • Patent number: 5375288
    Abstract: A broom specially designed for cleaning debris out of holes and cracks in asphalt and concrete prior to patching has a round broom head. The round head allows the broom to penetrate narrow holes and cracks resulting in more efficient and effective cleaning. The bristles are made of polypropylene and are similar to bristles used on street cleaners. A bristle band is free to move along the bundle of bristles, variably compacting the bristles for particular applications.
    Type: Grant
    Filed: October 1, 1993
    Date of Patent: December 27, 1994
    Inventor: Eric H. Seagren
  • Patent number: 5353463
    Abstract: A brush for cleaning sink drain recesses comprises a truncated spheroidal base with side bristles extending radially from the convex side outer surface and bottom bristles extending perpendicularly from the planar bottom outer surface of the base. A handle extends perpendicularly from the top outer surface of the base with a grip portion at the top of the shaft portion of the handle. In operation, rotation of the handle about its longitudinal axis rotates the base and correspondingly rotates the side bristles and the bottom bristles against the adjacent surfaces of a sink drain recess, thereby abrading and scouring the adjacent surfaces to dislodge accumulated dirt, food substances and other particulate matter from the surfaces of the sink drain recess.
    Type: Grant
    Filed: July 16, 1993
    Date of Patent: October 11, 1994
    Inventor: Bonnie C. Bracy, Jr.
  • Patent number: 5010616
    Abstract: A broom comprising an elongated block with opposing side walls and end walls, a top and, when viewed in side elevation, having a curved bottom; the block bottom having a plurality of spaced apart holes having about the same depth and containing the upper ends of tufts of broom fibers; all the broom fibers in all the tufts in the holes having essentially the same length whereby the curved block bottom and the fanning effect of the fibers after being embedded in the holes creates a broom sweeping head of fibers with a straight outer end without a need to cut the outer ends of the fibers after being embedded in the holes; the lower end of a broom handle being connected to the block at an angle of at least about 5.degree. from vertical when measured with the lower end of the broom sweeping head resting on a horizontal surface and with the broom handle axis intersecting the block top at a location, when measured from one end of the block, which is about 30 to 45% of the length of the block.
    Type: Grant
    Filed: November 27, 1989
    Date of Patent: April 30, 1991
    Assignee: The Libman Company
    Inventor: Enzo Berti
  • Patent number: 4978242
    Abstract: A brush tip of a liquid applicator is provided with a predetermined thickness flange at its rear end, which flange is provided with a plurality a multiplicity of predetermined length projections at its rear surface, which projections are easily elastically deformable and disposed in a position opposite to that of a fibrous part of the brush tip. A method for producing such bruch tip of the liquid applicator is characterized by the use of a heating platen provided with a plurality of small holes at its front surface, in which small holes is inserted a part of a rear end portion of the brush tip and metled to form a plurality of projections while the remaining rear end portion of the brush tip is melted to form a flange.
    Type: Grant
    Filed: May 9, 1989
    Date of Patent: December 18, 1990
    Assignee: Mitsubishi Pencil Co., Ltd.
    Inventor: Yoshiomi Konose
  • Patent number: 4642837
    Abstract: The broom assembly of the present invention comprises of a broom shroud having an opening in its top, said broom shroud including resilient means depending inwardly toward said opening; bristle retaining means including ferrule means integral therewith and extending upwardly therefrom, said ferrule means adapted to receive said resilient means; a broom handle removably received in said ferrule, and fastening means engaging the ferrule means, whereby said resilient means is flexed inwardly against the handle upon tightening said fastening means.
    Type: Grant
    Filed: August 20, 1985
    Date of Patent: February 17, 1987
    Assignee: The Drackett Company
    Inventors: Charles Nichols, John Howard
  • Patent number: 4575893
    Abstract: A broom whose branches made of plastic material are fixed into a main sheath which holds the handle. Each bundle of branches is terminated at the base by a locking tip with a square cross-section. These tips lock into housings arranged inside the main sheath along two coaxial circumferences arranged along planes and staggered along the axis of the broom.
    Type: Grant
    Filed: January 30, 1984
    Date of Patent: March 18, 1986
    Inventor: Henry Rozier
  • Patent number: 4562609
    Abstract: A broom body having artificial boughs simulating natural boughs for sweeping. The body is an assembly of a tubular socket of an elastic plastic, artificial boughs and a cover sleeve also of plastic. The socket has a cylindrical portion and a portion having a frusto-conical configuration and axially spaced collars of equal dimension and thereon axially spaced. The collar outer diameters are greater than that of the socket. The boughs with a lateral ring at one end and artificial twigs axially distributed on the rod and may have connecting twigs between the longest twigs. The broom body is assembled by placing the rings of the boughs axially on the socket and sliding them axially until the individual rings are disposed circumferentially of a respective collar. The collars may each have a radial projection filtering a groove of the corresponding bough rod to preclude on the socket in a circumferential.
    Type: Grant
    Filed: June 26, 1984
    Date of Patent: January 7, 1986
    Inventor: Jackie A. de Ruyter
  • Patent number: 4541139
    Abstract: A broom shroud that reduces the tendency of the broom handle to disassociate therefrom in view of forces encountered during use, the broom shroud comprising a broom shroud housing having a neck member having a bore, the neck member comprising a threaded collet or exterior neck portion having a plurality of vertical through slots, and a socket or interior neck portion; an internally threaded locking cap adapted to engage the collet, and means for securing bristles to the housing. Fastening the cap to the housing compresses the slotted portions of the collet, the collet tightly engaging the broom handle received by the bore. Preferably, the socket has a threaded section to receive a threaded end of the broom handle, thereby providing dual fastening means for the handle to the shroud.
    Type: Grant
    Filed: June 3, 1983
    Date of Patent: September 17, 1985
    Assignee: The Drackett Company
    Inventors: David A. Jones, Daniel A. Maust
  • Patent number: 4538318
    Abstract: An improved push broom assembly is disclosed which includes a shroud portion retaining a plurality of bristles thereon and a neck portion angularly protruding from a face of the shroud portion opposite to that which retains the bristles thereon. The neck portion is comprised of two pieces, a first piece integrally formed with the shroud portion and including a recess, and a second piece designed to removably fit into the above noted recess and to combine with the first piece to comprise a completed neck portion. The completed neck portion comprised of the first and second pieces has internal threads which mesh with external threads on a broom handle and further includes exterior threads which mesh with a cap device having interior threads thereon and threaded over the neck portion so as to retain the first and second pieces thereof together.
    Type: Grant
    Filed: December 29, 1983
    Date of Patent: September 3, 1985
    Assignee: The Drackett Company
    Inventors: James E. Lammert, Charles E. Nichols, John R. Howard
  • Patent number: 4531251
    Abstract: A mop holder includes a support structure having an internally threaded receptacle means to receive and removably secure a handle thereto. The support structure includes a base plate having a plurality of projecting studs which are inserted through apertures in the backing material of a mop head. The backing plate also includes an internally threaded boss. A cover plate is placed upon the backing plate of the support structure. The cover plate includes apertures along its front edge aligned to receive the studs of the backing plate. A knurled screw is inserted through an aperture in the cover plate and threadingly engaged to the threaded boss of the backing plate thereby securing the cover plate to the backing plate and securing the mop head therebetween.
    Type: Grant
    Filed: July 11, 1983
    Date of Patent: July 30, 1985
    Inventors: George Pappas, Archimedes M. Perdios
  • Patent number: 4528713
    Abstract: A broom cap of rigid polymeric material comprising a skirt portion adapted to cover the upper portion of a bundle of flexible filaments bound to a handle to shape, and facilitate maintaining the shape, of the bundle of filaments; a shoulder portion closing and joined to the upper end of the skirt portion; a collar portion, having walls extending upwardly from the shoulder portion, with a hole at the top for receiving the handle; and a plurality of vertically and radially positioned ribs extending inwardly from the collar portion walls and adapted to hold the cap stationary against vertical displacement and lateral swinging movement after it is inserted on the handle and the cap is positioned to cover the upper portion of the bundle of filaments.
    Type: Grant
    Filed: May 3, 1984
    Date of Patent: July 16, 1985
    Assignee: Libman Broom Company
    Inventor: Robert J. Libman
  • Patent number: 4385411
    Abstract: A broom for sweeping floors and the like. The broom has a frame and a handle with straws fixed to one side of the frame and the handle fixed to the side of the frame remote from the straws. The straws terminating in a plane disposed at an acute angle to the handle so that the handle is disposed at an angle equal to the natural angle for sweeping the end of the straw thereby providing a convenient angle for sweeping without unevenly distorting the broom straws.
    Type: Grant
    Filed: May 12, 1981
    Date of Patent: May 31, 1983
    Assignee: Tantera, Inc.
    Inventor: Frank Clark
  • Patent number: 4263691
    Abstract: A toothbrush comprises a handle and bristles mounted near one end of the handle. Each bristle has a core and a sheath of an elastomer, the elastomer being softer than the core material. The handle or at least the portion of the handle carrying the bristles, has a covering of an elastomer.
    Type: Grant
    Filed: March 7, 1979
    Date of Patent: April 28, 1981
    Inventor: Seree Pakarnseree
  • Patent number: 4031588
    Abstract: The invention relates to a broom comprising a bundle of plastics stems wound around a hollow bar for the broom handle. The winding of the plastics stems is ensured by a binding strip co-operating with opposite crenels of the stems serving as a fixing point for the strip and as a passageway for the spirals of the strip to absorb its thickness.
    Type: Grant
    Filed: September 15, 1976
    Date of Patent: June 28, 1977
    Assignee: Henri Joseph Marie Andrien Leroy
    Inventors: Henri Joseph Marie Adrien Leroy, Christian Ludovic Leroy