Patents by Inventor Helmut Hollenstein
Helmut Hollenstein has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 4984929Abstract: A fitting to connect the front plate of a drawer with a rail member thereof includes a dowel casing which can be fitted into the front plate and a hook member connected to the front end of the rail member to be engaged in the dowel casing. A metallic disk provides rigidity for the dowel casing. The hook member has a flange which abuts flush with the front face of the dowel casing and which has a bevelled portion.Type: GrantFiled: May 16, 1989Date of Patent: January 15, 1991Assignee: Julius Blum Gesellschaft m.b.H.Inventors: Erich Rock, Helmut Hollenstein
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Patent number: 4911509Abstract: A drawer includes metal drawer side walls, with a rail member arranged above each drawer side wall. A lateral top member is clamped onto each rail member and abuts on the upper rim of the inner side of the drawer side wall.Type: GrantFiled: November 17, 1988Date of Patent: March 27, 1990Assignee: Julius Blum Gesellschaft m.b.H.Inventors: Erich Rock, Helmut Hollenstein
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Patent number: 4875747Abstract: A drawer has metal drawer side walls including vertical flanges which form the lateral limitations of the drawer. The drawer side walls have at their lower sides horizontal respective flanges on which a bottom plate, e.g. of chip board, abuts. Punched from the horizontal flanges of the drawer side walls are a number of flaps which project into continuous grooves of the bottom plate which extend parallel to the lateral edges thereof. In the longitudinal direction of the drawer side wall, the flaps at each side are aligned obliquely to the respective groove.Type: GrantFiled: November 17, 1988Date of Patent: October 24, 1989Assignee: Julius Blum Gesellschaft m.b.H.Inventor: Helmut Hollenstein
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Patent number: 4842351Abstract: A drawer has metal side walls with vertical flanges thereof forming the lateral limits of the drawer. Each vertical flange has at a lower end thereof a horizontal flange on which a drawer bottom plate of wood or the like abuts. Hooks are punched from the horizontal flanges and project into recesses in the bottom plate. The hooks are bendable and have angular tips pierced into walls of the recesses.Type: GrantFiled: February 10, 1988Date of Patent: June 27, 1989Assignee: Julius Blum Gesellschaft m.b.H.Inventors: Erich Rock, Helmut Hollenstein
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Patent number: 4840512Abstract: A fitting for fastening a rail member of a drawer to a rear wall of the drawer includes a supporting member fastenable to the real wall. The rear end of the rail member is held in the support member by a fastening member which is engageable in the supporting member and is screwable into the rail member. The fastening member is clamped to the supporting member by a clamping screw.Type: GrantFiled: December 15, 1987Date of Patent: June 20, 1989Assignee: Julius Blum Gesellschaft m.b.H.Inventors: Erich Rock, Helmut Hollenstein
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Patent number: 4815796Abstract: A fitting fastens each side of a drawer front panel to metal drawer sides. In a vertical web adjacent the front panel of each drawer side is provided a recess open towards the front and having vertically projecting therein a nose to hang a holding member of the front panel. A slot, which is stamped out of the drawer side and into which projects a nose of a clamping plate, is disposed behind the recess. The clamping plate can be clamped to a holding plate which is perpendicular to the front panel and which is secured to the front panel. The holding plate and the clamping plate, which together form the holding member, receive therebetween the vertical web of the drawer side.Type: GrantFiled: April 24, 1987Date of Patent: March 28, 1989Assignee: Julius Blum Gesellschaft M.B.H.Inventors: Erich Rock, Helmut Hollenstein, Josef Brunner
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Patent number: 4815798Abstract: A holding device for the front plate of a drawer with metal drawer frames includes holding members fastened to the front plate and supporting members fastened respective of the drawer frames. The holding members are engageable in the supporting members. The supporting members are adjustably fastened to the drawer frames by means of clamping screws.Type: GrantFiled: April 10, 1987Date of Patent: March 28, 1989Assignee: Julius Blum Gesellschaft m.b.H.Inventors: Erich Rock, Helmut Hollenstein, Josef Brunner
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Patent number: 4804239Abstract: A fitting for a drawer, which can be assembled from a plurality of components and has metal drawer side walls which at the same time form pull-out rails for extracting the drawer includes a fastener for connecting each rail to a front panel (3) and a rear wall (3) of the drawer. Each drawer side wall is provided with a fastening plate (3) for the rear wall (3) of the drawer. Attachments connect opposite ends of the rail to the front panel and the rear wall of the drawer. Rail has at one end thereof an adaptor and at the other end thereof an annular groove.Type: GrantFiled: May 5, 1987Date of Patent: February 14, 1989Assignee: Julius Blum Gesellschaft M.B.H.Inventors: Erich Rock, Josef Brunner, Helmut Hollenstein
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Patent number: 4802716Abstract: A fitting for a drawer which can be assembled from a plurality of components and has metal drawer sides includes fasteners for connecting the drawer sides to a rear wall of the drawer. Each drawer side is provided with an angled fastening plate for connection to the rear wall of the drawer. The fastening plate has therein a keyhole and on the upper edge a slot which is open at the top and into which holding members of the rear wall of the drawer can be inserted. In addition, the fastening plate is provided with additional holes for fastening screws or tenons. The holding members of the rear wall of the drawer are plates each of which has a positioning web projecting into the open slot and a nose projecting into the keyhole.Type: GrantFiled: May 5, 1987Date of Patent: February 7, 1989Assignee: Julius Blum Gesellschaft m.b.H.Inventors: Erich Rock, Helmut Hollenstein, Josef Brunner
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Patent number: 4700994Abstract: A drawer is covered by a furniture door which is mounted on the side wall of a piece of furniture. The drawer has a front plate which is fastened to two drawer side walls. Caps which are pushed onto the front ends of the drawer side walls cover the side walls and parts of the front plate. The caps can have holding members for rail members.Type: GrantFiled: April 1, 1986Date of Patent: October 20, 1987Assignee: Julius Blum Gesellschaft m.b.H.Inventors: Erich Rock, Helmut Hollenstein
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Patent number: 4697946Abstract: Furniture connectors are provided to connect the front plate of a drawer with the drawer side walls and rail members. A slide member which holds a holding bolt is provided in each furniture connector. A spring engages the slide member to pivot the slide member about an axle eccentrically arranged in a housing of the furniture connector and in a radial plane of the housing which is designed like a dowel casing.Type: GrantFiled: April 1, 1986Date of Patent: October 6, 1987Assignee: Julius Blum Gesellschaft m.b.H.Inventors: Erich Rock, Helmut Hollenstein
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Patent number: 4579474Abstract: A device for joining furniture panels includes a dowel casing with a holding member for holding the head of a screw or the like when the latter is inserted into the dowel casing. The dowel casing is insertable into a hole in one panel and the screw is to be screwed into another panel. The dowel casing is a one-part casing open at the bottom or inserted end thereof.Type: GrantFiled: March 17, 1983Date of Patent: April 1, 1986Assignee: Julius Blum Gesellschaft m.b.H.Inventors: Erich Rock, Helmut Hollenstein
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Patent number: 4576506Abstract: A joining device for connecting two furniture parts includes a dowel casing which is insertable into a bore in the side face of one furniture part and a screw that is screwed into the front face of the other furniture part. The screw is held in the dowel casing by a holding member which is a clamping element. The dowel casing is made of one piece and is open at its bottom. The holding member has an annular rim by which it is held by lateral projections of the dowel casing.Type: GrantFiled: June 7, 1985Date of Patent: March 18, 1986Assignee: Julius Blum Gesellschaft m.b.H.Inventors: Erich Rock, Helmut Hollenstein
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Patent number: 4564306Abstract: A fitting for furniture parts includes a dowel casing and a screw or the like. The screw has a head extending into the dowel casing where it is held tight by a locking member. To facilitate the insertion of the screw into the dowel casing conical guide surfaces are provided on the dowel casing.Type: GrantFiled: February 2, 1983Date of Patent: January 14, 1986Assignee: Julius Blum Gesellschaft m.b.H.Inventors: Erich Rock, Helmut Hollenstein
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Patent number: 4557531Abstract: A pull-out guide assembly includes, for each side of a drawer, a pull-out rail, a support rail and an intermediate roller carrier together forming an inseparable unit. A locking member is provided on each drawer side wall and has a catch which secures the pull-out rail on the drawer side wall. The locking member also keeps the closed drawer in the closed position by clamping the support rail.Type: GrantFiled: April 13, 1984Date of Patent: December 10, 1985Assignee: Julius Blum Gesellschaft m.b.H.Inventors: Erich Rock, Helmut Hollenstein
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Patent number: 4505610Abstract: A device for connecting two furniture parts includes a dowel casing which is insertable into a bore in the side face of one furniture part and a screw that is screwed into the front face of the other furniture part. The screw is held in the dowel casing by a holding member which is a clamping element. Opposite the holding member there are ribs on the inner wall of the dowel casing into which the head of the screw is pressed by the holding member.Type: GrantFiled: May 24, 1983Date of Patent: March 19, 1985Assignee: Julius Blum Gesellschaft m.b.H.Inventors: Erich Rock, Helmut Hollenstein
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Patent number: D319933Type: GrantFiled: September 5, 1990Date of Patent: September 17, 1991Assignee: Julius Blum Gesellschaft m.b.H.Inventors: Erich Rock, Helmut Hollenstein, Josef Brunner