Patents by Inventor Robert Spasov
Robert Spasov 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: 9527197Abstract: According to one aspect of the application, a device for driving a fastening element into a substrate has an energy-transfer element for transferring energy to the fastening element. The energy-transfer element can move preferably between a starting position and a setting position, wherein the energy-transfer element is located, before a driving-in procedure, in the starting position and, after the driving-in procedure, in the setting position. According to another aspect of the application, the device comprises a mechanical-energy storage device for storing mechanical energy. The energy-transfer element is then suitable preferably for transferring energy from the mechanical-energy storage device to the fastening element.Type: GrantFiled: June 13, 2011Date of Patent: December 27, 2016Assignee: HILTI AKTIENGESELLSCHAFTInventors: Matthias Blessing, Harald Fielitz, Stefan Miescher, Karl Franz, Robert Spasov, Ulrich Schiestl
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Patent number: 9205546Abstract: According to one aspect of the application, a device for driving a fastening element into a substrate has an energy-transfer element for transferring energy to the fastening element. The energy-transfer element can move preferably between a starting position and a setting position, wherein the energy-transfer element is located, before a driving-in procedure, in the starting position and, after the driving-in procedure, in the setting position. According to another aspect of the application, the device comprises a mechanical-energy storage device for storing mechanical energy. The energy-transfer element is then suitable preferably for transferring energy from the mechanical-energy storage device to the fastening element.Type: GrantFiled: June 13, 2011Date of Patent: December 8, 2015Assignee: Hilti AktiengesellschaftInventors: Robert Spasov, Karl Franz, Klaus Bertsch
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Patent number: 8978953Abstract: According to one aspect of the application, a device for driving a fastening element into a substrate has an energy-transfer element for transferring energy to the fastening element. The energy-transfer element can move preferably between a starting position and a setting position, wherein the energy-transfer element is located, before a driving-in procedure, in the starting position and, after the driving-in procedure, in the setting position. According to another aspect of the application, the device comprises a mechanical-energy storage device for storing mechanical energy. The energy-transfer element is then suitable preferably for transferring energy from the mechanical-energy storage device to the fastening element.Type: GrantFiled: June 13, 2011Date of Patent: March 17, 2015Assignee: Hilti AktiengesellschaftInventors: Matthias Blessing, Harald Fielitz, Stefan Miescher, Ulrich Schiestl, Robert Spasov, Karl Franz, Klaus Bertsch
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Patent number: 8556150Abstract: A hand-held drive-in tool for driving in fastening elements includes a drive-in ram (13), a drive (30) for driving the drive-in ram (13) and having a driving spring member (31) for displacing the drive-in ram (13), a device (70) for preloading the driving spring member (31), a locking device (50) having a locking position (54) in which the locking device (50) retains the driving spring member (31) in its preloaded position and a release position (55) into which the locking device (50) is displaced upon actuation of an actuation switch (19) of the drive-in tool (10), and a mechanical blocking device (60) operating independently of the actuation switch (19) and having an active position (68) in which the blocking device (60) retains the locking device (50) in its locking position (54), and a passive position (69) in which the locking device (50) can be displaced in its release position (55).Type: GrantFiled: December 20, 2007Date of Patent: October 15, 2013Assignee: Hilti AktiengesellschaftInventors: Robert Spasov, Matthias Blessing, Hans Gschwend, Ulrich Schiestl
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Patent number: 8499991Abstract: According to one aspect of the application, a device for driving a fastening element into a substrate has an energy-transfer element for transferring energy to the fastening element. The energy-transfer element can move preferably between a starting position and a setting position, wherein the energy-transfer element is located, before a driving-in procedure, in the starting position and, after the driving-in procedure, in the setting position. According to another aspect of the application, the device comprises a mechanical-energy storage device for storing mechanical energy. The energy-transfer element is then suitable preferably for transferring energy from the mechanical-energy storage device to the fastening element.Type: GrantFiled: June 13, 2011Date of Patent: August 6, 2013Assignee: Hilti AktiengesellschaftInventors: Robert Spasov, Stefan Miescher, Harald Fielitz, Karl Franz
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Patent number: 8381960Abstract: A hand-held drive-in tool (10) for fastening elements (60) includes a driving unit (30) for a drive-in ram (13) which is displaceably mounted in a guide (12), and has at least one driving element for the drive-in ram (13) formed by an elastomeric band (31) and tensioned by a tensioning device (70).Type: GrantFiled: April 25, 2007Date of Patent: February 26, 2013Assignee: Hilti AktiengesellschaftInventors: Peter Bruggmueller, Robert Spasov
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Patent number: 8245896Abstract: A hand-operated drive-in power tool for fastening elements is disclosed. The tool has a drive arrangement for a drive-in ram displaceably arranged in a guide, which has at least one drive element for the drive-in ram made at least partially of an elastomer that is tensible via a tensioning device. To improve the drive-in power tool, a heating device for the at least one elastomer drive element is provided.Type: GrantFiled: February 17, 2010Date of Patent: August 21, 2012Assignee: Hilti AktiengesellschaftInventors: Hans Gschwend, Robert Spasov
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Publication number: 20110303723Abstract: According to one aspect of the application, a device for driving a fastening element into a substrate has an energy-transfer element for transferring energy to the fastening element. The energy-transfer element can move preferably between a starting position and a setting position, wherein the energy-transfer element is located, before a driving-in procedure, in the starting position and, after the driving-in procedure, in the setting position. According to another aspect of the application, the device comprises a mechanical-energy storage device for storing mechanical energy. The energy-transfer element is then suitable preferably for transferring energy from the mechanical-energy storage device to the fastening element.Type: ApplicationFiled: June 13, 2011Publication date: December 15, 2011Applicant: HILTI AKTIENGESELLSCHAFTInventors: Robert Spasov, Karl Franz, Klaus Bertsch
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Publication number: 20110303732Abstract: According to one aspect of the application, a device for driving a fastening element into a substrate has an energy-transfer element for transferring energy to the fastening element. The energy-transfer element can move preferably between a starting position and a setting position, wherein the energy-transfer element is located, before a driving-in procedure, in the starting position and, after the driving-in procedure, in the setting position. According to another aspect of the application, the device comprises a mechanical-energy storage device for storing mechanical energy. The energy-transfer element is then suitable preferably for transferring energy from the mechanical-energy storage device to the fastening element.Type: ApplicationFiled: June 13, 2011Publication date: December 15, 2011Applicant: HILTI AKTIENGESELLSCHAFTInventors: Matthias Blessing, Harald Fielitz, Stefan Miescher, Ulrich Schiestl, Robert Spasov, Karl Franz, Klaus Bertsch
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Publication number: 20110303726Abstract: According to one aspect of the application, a device for driving a fastening element into a substrate has an energy-transfer element for transferring energy to the fastening element. The energy-transfer element can move preferably between a starting position and a setting position, wherein the energy-transfer element is located, before a driving-in procedure, in the starting position and, after the driving-in procedure, in the setting position. According to another aspect of the application, the device comprises a mechanical-energy storage device for storing mechanical energy. The energy-transfer element is then suitable preferably for transferring energy from the mechanical-energy storage device to the fastening element.Type: ApplicationFiled: June 13, 2011Publication date: December 15, 2011Applicant: HILTI AKTIENGESELLSCHAFTInventors: Matthias Blessing, Harald Fielitz, Stefan Miescher, Karl Franz, Robert Spasov, Ulrich Schiestl
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Publication number: 20110303718Abstract: A hand-held driving tool and a method for cooling the driving tool is disclosed. The driving tool includes a driving ram, a mechanical energy storage mechanism, and an electric motor for introducing mechanical energy into the energy storage mechanism. A cooling system is provided for cooling the electric motor, in particular as a function of a motor status.Type: ApplicationFiled: June 14, 2011Publication date: December 15, 2011Applicant: Hilti AktiengesellschaftInventors: Robert SPASOV, Ulrich Schiestl, Harald Fielitz, Karl Franz, Klaus Bertsch
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Publication number: 20110303730Abstract: According to one aspect of the application, a device for driving a fastening element into a substrate has an energy-transfer element for transferring energy to the fastening element. The energy-transfer element can move preferably between a starting position and a setting position, wherein the energy-transfer element is located, before a driving-in procedure, in the starting position and, after the driving-in procedure, in the setting position. According to another aspect of the application, the device comprises a mechanical-energy storage device for storing mechanical energy. The energy-transfer element is then suitable preferably for transferring energy from the mechanical-energy storage device to the fastening element.Type: ApplicationFiled: June 13, 2011Publication date: December 15, 2011Applicant: HILTI AKTIENGESELLSCHAFTInventors: Matthias Blessing, Robert Spasov, Stefan Miescher, Harald Fielitz, Karl Franz
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Publication number: 20110303719Abstract: According to one aspect of the application, a device for driving a fastening element into a substrate has an energy-transfer element for transferring energy to the fastening element. The energy-transfer element can move preferably between a starting position and a setting position, wherein the energy-transfer element is located, before a driving-in procedure, in the starting position and, after the driving-in procedure, in the setting position. According to another aspect of the application, the device comprises a mechanical-energy storage device for storing mechanical energy. The energy-transfer element is then suitable preferably for transferring energy from the mechanical-energy storage device to the fastening element.Type: ApplicationFiled: June 13, 2011Publication date: December 15, 2011Applicant: HILTI AKTIENGESELLSCHAFTInventors: Robert Spasov, Stefan Miescher, Harald Fielitz, Karl Franz
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Patent number: 7992756Abstract: A hand-held fastener driver for fastening elements, having a driving tappet that is movably mounted in a tappet guide and that can be driven using at least one drive spring element is disclosed, having a tensioner for the drive spring element, and having a locking mechanism. In a locked position of the locking mechanism, the drive spring element can be locked in its tensioned position, whereby the tensioner has a tensioning element that is provided with a profile, and said tensioning element can be axially moved along a longitudinal axis of motion using a rotatable counter-element that is engaged with the profile and that can be driven by a motor.Type: GrantFiled: September 28, 2009Date of Patent: August 9, 2011Assignee: Hilti AktiengesellschaftInventors: Karl Franz, Robert Spasov
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Patent number: 7870988Abstract: A hand-held drive-in power tool for driving in fastening elements includes a guide (12) in which a drive-in ram (13) for driving a fastening element is displaceable, and at least one preloaded drive spring (31) for driving the drive-in ram (13), with the drive being preloaded by a tensioning device (70) and further includes a transmission element (33) for transmitting a tensioning force from the tensioning device (70) to the drive spring (31), the transmission element being guided by at least one roller (34) supported on a support element (35) by at least one rolling bearing (40).Type: GrantFiled: December 12, 2008Date of Patent: January 18, 2011Assignee: Hilti AktiengesellschaftInventors: Ulrich Schiestl, Robert Spasov, Karl Franz
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Patent number: 7815088Abstract: A hand-held drive-in tool for driving fastening elements in a workpiece and including a guide (12), a drive-in ram (13) displaceable in the guide (12) for driving a fastening element in, a drive-in unit (30) for driving the drive-in ram (13) and including at least one first drive spring (31) and at least one second drive spring (32) having respectively, opposite first and a second expansion directions (37, 38), and a tensioning device for preloading the drive-in ram (13) and the first drive spring (31).Type: GrantFiled: April 11, 2008Date of Patent: October 19, 2010Assignee: Hilti AktiengesellschaftInventors: Harald Fielitz, Walter Odoni, Robert Spasov
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Publication number: 20100206592Abstract: A hand-operated drive-in power tool for fastening elements is disclosed. The tool has a drive arrangement for a drive-in ram displaceably arranged in a guide, which has at least one drive element for the drive-in ram made at least partially of an elastomer that is tensible via a tensioning device. To improve the drive-in power tool, a heating device for the at least one elastomer drive element is provided.Type: ApplicationFiled: February 17, 2010Publication date: August 19, 2010Applicant: Hilti AktiengesellschaftInventors: Hans GSCHWEND, Robert SPASOV
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Patent number: 7766204Abstract: A hand-held drive-in tool driving fastening elements (60), e.g., nails in a workpiece (U) includes a magazine (61) projecting sidewise from the muzzle part (15) and having a spring-biased transporting slide (63) for displacing the fastening elements (60) in the magazine guide channel (62), a safety device (25) including a press-on member (14) secured on the tool muzzle part (15) of the tool, and a device (40) actuatable by the press-on member (14) for positioning of the transporting slide (63) and for displacing the transporting slide (63) against a biasing force of the transporting spring.Type: GrantFiled: November 20, 2007Date of Patent: August 3, 2010Assignee: Hilti AktiengesellschaftInventors: Robert Spasov, Matthias Blessing, Hans Gschwend, Ulrich Schiestl
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Publication number: 20100140123Abstract: A magazine strip for use in a setting power tool includes a carrier strip (11) for carrying the fastening elements (20) and formed of a plurality of strip segments (12) each having a receptacle for a fastening element (20), and a corresponding plurality of pivot connections (14) provided between respective adjacent strip segments (12) for enabling a pivotal movement of the strip segments relative to each other, with pivot axes of the pivot connections extending coaxially with respective fastening elements (20).Type: ApplicationFiled: December 4, 2009Publication date: June 10, 2010Inventors: Stefan Miescher, Harald Fielitz, Walter Odoni, Robert Spasov
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Publication number: 20100089963Abstract: A hand-held fastener driver for fastening elements, having a driving tappet that is movably mounted in a tappet guide and that can be driven using at least one drive spring element is disclosed, having a tensioner for the drive spring element, and having a locking mechanism. In a locked position of the locking mechanism, the drive spring element can be locked in its tensioned position, whereby the tensioner has a tensioning element that is provided with a profile, and said tensioning element can be axially moved along a longitudinal axis of motion using a rotatable counter-element that is engaged with the profile and that can be driven by a motor.Type: ApplicationFiled: September 28, 2009Publication date: April 15, 2010Applicant: Hilti AktiengesellschaftInventors: Karl Franz, Robert Spasov