Patents by Inventor Markus Frommelt
Markus Frommelt 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: 10605296Abstract: The invention relates to a device for fastening a first object to a second object, said device comprising a first load section having a first load-engaging means, a driving section defining a driving direction and a sealing element for creating a seal between the device and the second object, the sealing element having a width perpendicular to the driving direction and a height in the driving direction.Type: GrantFiled: December 16, 2014Date of Patent: March 31, 2020Assignee: HILTI AKTIENGESELLSCHAFTInventors: Ferenc Lor, Zsolt Schaller, Markus Frommelt
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Publication number: 20160312820Abstract: The invention relates to a device for fastening a first object to a second object, said device comprising a first load section having a first load-engaging means, a driving section defining a driving direction and a sealing element for creating a seal between the device and the second object, the sealing element having a width perpendicular to the driving direction and a height-in the driving direction.Type: ApplicationFiled: December 16, 2014Publication date: October 27, 2016Inventors: Ferenc Lor, Zsolt Schaller, Markus Frommelt
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Patent number: 8403281Abstract: A mounting device for securing plate-shaped elements (5) on a mounting rail (6) includes first (12; 52; 72) and second holding members (17; 57; 77) forming, together a space (16; 42) for receiving a plate-shaped element (5), a fastening member (27; 60) extending through the first (12; 52; 72) and the second (17; 57; 77) holding member and connectable with an anchoring element (23) provided on the mounting rail (6) for securing the mounting device (11; 41; 51; 71) on the mounting rail (6), and at least one resilient element (32; 46; 62; 92) provided between the first holding member (12; 52; 72), which is displaceable relative to the second holding member, and the second holding member (17; 57; 77) for spacing the first and second holding members (12, 17; 52, 57; 72, 77) from each other.Type: GrantFiled: January 28, 2009Date of Patent: March 26, 2013Assignee: Hilti AktiengesellschaftInventors: Norbert Burtscher, Markus Frommelt
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Patent number: 8230767Abstract: A fastener driving tool for an insulation material plug that anchored with a fastener in the substrate has a first drive shaft and a second drive shaft. The first drive shaft has a shank extending along a longitudinal axis having a first rotary carrier for the fastener at a first end and that has a second rotary carrier second end. The second drive shaft has a hollow shank with a third carrier means for the insulation material plug at a first end. A coupler is provided that can be disengaged by axial pressure and arranged at a distance from the first end. The coupler has locking elements that engage into recesses in order to transfer a torque from the first drive shaft to the second drive shaft. Grooves guide the locking elements are adjacent to a recess and, extend helically along the circumference.Type: GrantFiled: November 24, 2009Date of Patent: July 31, 2012Assignee: Hilti AktiengesellschaftInventors: Markus Frommelt, Michael Sproewitz
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Publication number: 20110226094Abstract: A device and a method for fastening a first object of a second object are provided. The device comprises a sleeve and an arbor, wherein the sleeve comprises a first load application means for the first object and an abutment for an outer surface of the second object, as well as a passage, wherein a contraction of the passage in the sleeve extends at least up to the point of the passage that is the closest adjacent point to the abutment.Type: ApplicationFiled: March 21, 2011Publication date: September 22, 2011Applicant: HILTI AKTIENGESELLSCHAFTInventors: Simon Stahel, Stefan Bönig, Markus Durig, Markus Frommelt
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Publication number: 20100218649Abstract: A fastener driving tool (21) for an insulation material plug that can be anchored with a fastening means in the substrate has a first drive shaft (22) and a second drive shaft (32) that is arranged coaxially to the first drive shaft (22). The first drive shaft (22) has a shank (23) extending along a longitudinal axis (31), that has a first rotary carrier means (24) for the fastening means at a first end (25) and that has a second rotary carrier means (26) for a fastener driving tool device at a second end (27). The second drive shaft (32) has a hollow shank (33) with a third carrier means (34) for the insulation material plug at a first end (35). Moreover, a coupler (38) is provided that can be disengaged by means of axial pressure and that is arranged in an area at a distance from the first end (35) of the second drive shaft (32). The coupler (38) has locking elements (57) that engage into recesses (43) in order to transfer a torque from the first drive shaft (22) to the second drive shaft (32).Type: ApplicationFiled: November 24, 2009Publication date: September 2, 2010Applicant: Hilti AktiengesellschaftInventors: Markus Frommelt, Michael Sproewitz
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Publication number: 20090200443Abstract: A mounting device for securing plate-shaped elements (5) on a mounting rail (6) includes first (12; 52; 72) and second holding members (17; 57; 77) forming, together a space (16; 42) for receiving a plate-shaped element (5), a fastening member (27; 60) extending through the first (12; 52; 72) and the second (17; 57; 77) holding member and connectable with an anchoring element (23) provided on the mounting rail (6) for securing the mounting device (11; 41; 51; 71) on the mounting rail (6), and at least one resilient element (32; 46; 62; 92) provided between the first holding member (12; 52; 72), which is displaceable relative to the second holding member, and the second holding member (17; 57; 77) for spacing the first and second holding members (12, 17; 52, 57; 72, 77) from each other.Type: ApplicationFiled: January 28, 2009Publication date: August 13, 2009Inventors: Norbert Burtscher, Markus Frommelt
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Patent number: 7073698Abstract: An explosion-power operated setting tool for driving fastening elements in a structural component includes a setting piston (15) displaceably arranged in the guide chamber (14) of a piston guide (13) arranged, at least partially, in the tool housing (11), a resetting device (30) having a resetting member (31) for returning the setting piston (15) in its initial position (25) after completion of a setting process, and a spring (35) for resiliently biasing the resetting member (31) in a direction of its initial position, and a damping device (40) for the spring (35).Type: GrantFiled: December 14, 2004Date of Patent: July 11, 2006Assignee: Hilti AkitengesellschaftInventors: Markus Frommelt, Franz Buechel, Tilo Dittrich, Stefan Boenig
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Patent number: 6981474Abstract: A setting tool for driving fastening elements and including a setting piston (20) axially displaceably arranged in the hollow chamber (14) of a piston guide (13), and a piston stop device (30) for the setting piston (20), arranged in setting direction end region of the hollow chamber (14) and having a damping element (31) supported against a stop (15), and a stop member (32) adjoining the damping element (31) in a direction of the hollow chamber (14) and operationally connectable with the piston band (22), and having a cylindrical bushing (33) for the piston stem (21), with the bushing (33) having an inner diameter (DS) that amounts to from 70% to 90% of a size of the maximal outer diameter (DB) of the prison band that has a conical surface engageable with the inner surface of the bushing.Type: GrantFiled: September 1, 2004Date of Patent: January 3, 2006Assignee: Hilti AktiengesellschaftInventors: Markus Frommelt, Robert Jakob
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Patent number: 6978919Abstract: A piston holder for a drive piston (8) of a setting tool and having a circumferential adjusting surface (16) inclined toward a central axis (17) thereof so that a diameter of the adjusting surface (16) increase toward a rear, with respect to a setting direction (18) of the setting tool, end of the drive piston (8), with the piston holder including contact elements (22; 24; 36; 38; 40; 41, 52; 53; 58–61) engageable with the adjusting surface (16), and a spring (21; 27; 35; 36; 54; 55; 62) for biasing the contact elements into engagement with the adjusting surface (16).Type: GrantFiled: January 29, 2002Date of Patent: December 27, 2005Assignee: Hilti AktiengesellschaftInventors: Stefan Bönig, Franz Büchel, Markus Frommelt, Thomas Sperrfechter, Norbert Heeb, Jens Neumann
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Publication number: 20050167463Abstract: An explosion-power operated setting tool for driving fastening elements in a structural component includes a setting piston (15) displaceably arranged in the guide chamber (14) of a piston guide (13) arranged, at least partially, in the tool housing (11), a resetting device (30) having a resetting member (31) for returning the setting piston (15) in its initial position (25) after completion of a setting process, and a spring (35) for resiliently biasing the resetting member (31) in a direction of its initial position, and a damping device (40) for the spring (35).Type: ApplicationFiled: December 14, 2004Publication date: August 4, 2005Inventors: Markus Frommelt, Franz Buechel, Tilo Dittrich, Stefan Boenig
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Publication number: 20050051594Abstract: A setting tool for driving fastening elements and including a setting piston (20) axially displaceably arranged in the hollow chamber (14) of a piston guide (13), and a piston stop device (30) for the setting piston (20), arranged in setting direction end region of the hollow chamber (14) and having a damping element (31) supported against a stop (15), and a stop member (32) adjoining the damping element (31) in a direction of the hollow chamber (14) and operationally connectable with the piston band (22), and having a cylindrical bushing (33) for the piston stem (21), with the bushing (33) having an inner diameter (DS) that amounts to from 70% to 90% of a size of the maximal outer diameter (DB) of the prison band that has a conical surface engageable with the inner surface of the bushing.Type: ApplicationFiled: September 1, 2004Publication date: March 10, 2005Inventors: Markus Frommelt, Robert Jakob
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Patent number: 6536647Abstract: A holder for a drive piston (8) of a setting tool, and including a return element (19) having a first end (21) that applies pressure to the drive piston (8), and a second end (22) spaced from the first end (21), and axial and radial stop elements (16-18) fixedly securable in the setting tool and against which the second end (22) of the return element (21) is displaceable and elastically deformed upon displacement of the drive piston (8) in the setting direction (20).Type: GrantFiled: January 29, 2002Date of Patent: March 25, 2003Assignee: Hilti AktiengesellschaftInventors: Franz Büchel, Gerhard Ehmig, Thomas Sperrfechter, Markus Frommelt
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Patent number: 6502736Abstract: A piston holder for drive piston (8) of a setting tool and including at least one friction member for applying pressure to a circumferential surface of the drive piston and having an adjusting surface (17, 24) remote from the drive piston (8) and rising toward a rear, in a setting direction of the setting tool, end of the drive piston, and a pressure element (19, 7′) stationary with respect to an axial direction of the drive piston (8) and which is always in a pressure contact with the adjusting surface (17).Type: GrantFiled: February 6, 2002Date of Patent: January 7, 2003Assignee: Hilti AktiengesellschaftInventors: Tilo Dittrich, Markus Frommelt
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Publication number: 20020130155Abstract: A piston holder for a drive piston (8) of a setting tool and having a circumferential adjusting surface (16) inclined toward a central axis (17) thereof so that a diameter of the adjusting surface (16) increase toward a rear, with respect to a setting direction (18) of the setting tool, end of the drive piston (8), with the piston holder including contact elements (22; 24; 36; 38; 40; 41, 52; 53; 58-61) engageable with the adjusting surface (16), and a spring (21; 27; 35; 36; 54; 55; 62) for biasing the contact elements into engagement with the adjusting surface (16).Type: ApplicationFiled: January 29, 2002Publication date: September 19, 2002Inventors: Stefan Bonig, Franz Buchel, Markus Frommelt, Thomas Sperrfechter, Norbert Heeb, Jens Neumann
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Publication number: 20020130156Abstract: A holder for a drive piston (8) of a setting tool, and including a return element (19) having a first end (21) that applies pressure to the drive piston (8), and a second end (22) spaced from the first end (21), and axial and radial stop elements (16-18) fixedly securable in the setting tool and against which the second end (22) of the return element (21) is displaceable and elastically deformed upon displacement of the drive piston (8) in the setting direction (20).Type: ApplicationFiled: January 29, 2002Publication date: September 19, 2002Inventors: Franz Buchel, Gerhard Ehmig, Thomas Sperrfechter, Markus Frommelt
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Publication number: 20020108990Abstract: A piston holder for drive piston (8) of a setting tool and including at least one friction member for applying pressure to a circumferential surface of the drive piston and having an adjusting surface (17, 24) remote from the drive piston (8) and rising toward a rear, in a setting direction of the setting tool, end of the drive piston, and a pressure element (19, 7′) stationary with respect to an axial direction of the drive piston (8) and which is always in a pressure contact with the adjusting surface (17).Type: ApplicationFiled: February 6, 2002Publication date: August 15, 2002Inventors: Tilo Dittrich, Markus Frommelt
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Publication number: 20020108488Abstract: A piston support, in particular for a driving piston (8) of a setting tool, has a cylindrical section (10a) followed by a wedge-shaped section (10) extending toward the trailing end of the driving piston (8) and with a wedge-shaped surface (18) inclined inwardly towards the piston central axis (16). At least one braking element (23), presses against the cylindrical section (10a) in the ready-to-fire position of the driving piston (8) and a pressure force on the driving piston (8) reduces when the braking element (23) on movement of the driving piston (8) in the forward direction of travel, comes to rest opposite the wedge-shaped surface (18). When this is done, the driving piston can be guided smoothly and returned under braking into its ready-to-fire position, and held there securely.Type: ApplicationFiled: February 8, 2002Publication date: August 15, 2002Inventors: Stefan Bonig, Franz Buchel, Markus Frommelt, Thomas Sperrfechter
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Patent number: 6059163Abstract: A high pressure gas-operated setting tool, and including a driving piston (21, 41, 61, 81) displaceable in a piston guide (7, 27, 47, 67) and having a stem (8, 28, 48, 68) and a head (9, 29, 49, 69), and a return member surrounding the stem (8, 28, 48, 68) and arranged between a stop (17), provided on the piston guide (7, 27, 47, 67) and facing in a direction opposite to a setting direction, and a front, in the setting direction, end face (18, 38, 58, 78) of the head (9, 29, 49, 69), with the return member being formed as a hollow cylindrical structural member of an elastic material and having a plurality of openings (12, 32, 34, 52, 72) which alternate, in a longitudinal direction, with layers of the elastic material.Type: GrantFiled: August 18, 1999Date of Patent: May 9, 2000Assignee: Hilti AktiengesellschaftInventors: Norbert Pfister, Markus Frommelt, Gerhard Ehmig, Tilo Dittrich
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Patent number: 5950900Abstract: An explosive powder charge operated setting tool includes an axially extending piston guide (4) for a driving piston (6) and a retaining device (9) for the driving piston. The driving piston (6) has an axially extending shank (7) terminating in a head (8). The retaining device (9) has at least one radially displaceable ball (11) bearing against a conically-shaped inner surface of an annular spring washer (10) laterally enclosing the ball, and the ball is displaceable to a limited extent parallel to the axial direction of the piston guide (4) in a holding part (12) of the piston guide (4) open towards the shank (7) of the driving piston (6). The leading end of the driving piston has at least one circumferentially extending recess (13) which cooperates with the ball (11) of the retaining device (9).Type: GrantFiled: December 23, 1996Date of Patent: September 14, 1999Assignee: Hilti AktiengesellschaftInventors: Markus Frommelt, Norbert Heeb, Hermann Kuel