Patents by Inventor Hubert Kefer

Hubert Kefer 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).

  • Patent number: 8434255
    Abstract: Breech block for a drop-down barrel weapon, having at least one firing pin, which is guided such that it can move axially therein, has an impact head at its rear end for a firing piece to strike, and has a firing tip at its front end in order to fire a cartridge, with a safety slide being guided such that it can move laterally in a recess on the firing piece side of the breech block between a first position in which a portion thereof in the form of a spacer head projects beyond the impact head of the firing pin in the impact area of the firing piece and a second position in which it is withdrawn from the impact area of the firing piece, which recess is at least partially closed by a cover plate with the cover plate having recesses for the impact head and the spacer head to pass through.
    Type: Grant
    Filed: January 18, 2007
    Date of Patent: May 7, 2013
    Assignee: STEYR MANNLICHER Holding GmbH
    Inventor: Hubert Kefer
  • Patent number: 8341863
    Abstract: A barrel holder for a drop-down barrel weapon with at least one tapped hole for accommodating an interchangeable barrel which ends in a ring shoulder for supporting the edge of a cartridge, wherein a first circumferential section of the ring shoulder is constructed as an axially movable cartridge extractor, and the remaining second circumferential section of the ring shoulder is formed by a separate adapter part which is inserted in modular fashion into the barrel holder.
    Type: Grant
    Filed: January 18, 2007
    Date of Patent: January 1, 2013
    Assignee: Steyr Mannlicher Holding GmbH
    Inventor: Hubert Kefer
  • Publication number: 20110083352
    Abstract: Breech block for a drop-down barrel weapon, having at least one firing pin, which is guided such that it can move axially therein, has an impact head at its rear end for a firing piece to strike, and has a firing tip at its front end in order to fire a cartridge, with a safety slide being guided such that it can move laterally in a recess on the firing piece side of the breech block between a first position in which a portion thereof in the form of a spacer head projects beyond the impact head of the firing pin in the impact area of the firing piece and a second position in which it is withdrawn from the impact area of the firing piece, which recess is at least partially closed by a cover plate with the cover plate having recesses for the impact head and the spacer head to pass through.
    Type: Application
    Filed: January 18, 2007
    Publication date: April 14, 2011
    Applicant: STEYR MANNLICHER HOLDING GMBH
    Inventor: Hubert Kefer
  • Patent number: 7698844
    Abstract: Rod magazine for a firearm, having a channel for holding cartridges in a stack, and having a feed for feeding the stack to a channel end which is clasped by magazine lips, which hold the top cartridge in the stack back in the channel direction, but allow its movement approximately transversely with respect to the channel direction beyond the rod magazine, with the channel being equipped with guide strips, which run in the channel direction, for the shoulders of the cartridges, and with the guide strips projecting beyond the channel end and into the movement path, which is located in front of the magazine lips, of the top cartridge.
    Type: Grant
    Filed: November 24, 2006
    Date of Patent: April 20, 2010
    Assignee: STEYR MANNLICHER Holding GmbH
    Inventors: Josef Gruber, Hubert Kefer
  • Publication number: 20100037503
    Abstract: Breech block for a drop-down barrel weapon, having at least one firing pin, which is guided such that it can move axially therein, has an impact head at its rear end for a firing piece to strike, and has a firing tip at its front end in order to fire a cartridge, with a safety slide being guided such that it can move laterally in a recess on the firing piece side of the breech block between a first position in which a portion thereof in the form of a spacer head projects beyond the impact head of the firing pin in the impact area of the firing piece and a second position in which it is withdrawn from the impact area of the firing piece, which recess is at least partially closed by a cover plate with the cover plate having recesses for the impact head and the spacer head to pass through.
    Type: Application
    Filed: January 18, 2007
    Publication date: February 18, 2010
    Applicant: STEYR MANNLICHER HOLDING GMBH
    Inventor: Hubert Kefer
  • Publication number: 20100031550
    Abstract: A barrel holder for a drop-down barrel weapon with at least one tapped hole for accommodating an interchangeable barrel which ends in a ring shoulder for supporting the edge of a cartridge, wherein a first circumferential section of the ring shoulder is constructed as an axially movable cartridge extractor, and the remaining second circumferential section of the ring shoulder is formed by a separate adapter part which is inserted in modular fashion into the barrel holder.
    Type: Application
    Filed: January 18, 2007
    Publication date: February 11, 2010
    Applicant: STEYR MANNLICHER HOLDING GMBH
    Inventor: Hubert Kefer
  • Patent number: 6178682
    Abstract: A repeating rifle having a bolt action comprises a breech housing (1), a breech body (3) which can be moved and can be rotated in this breech housing (1) and has a movable plug (4) and a firing pin (6) which is loaded by a firing pin spring (7) and has a cocking piece (8), in which case the breech body (3) has in its interior a cocking guide which interacts with the cocking piece (8). In order to achieve maximum safety and maximum operating convenience with as little physical complexity as possible, a cocking cam bush (33) is guided such that it can be moved in the longitudinal direction in the breech body (3) as the cocking guide, on which cocking cam bush the firing pin spring (7) is supported, and the plug (4) has a guide sleeve (36) which interacts with the cocking cam bush (33).
    Type: Grant
    Filed: December 4, 1998
    Date of Patent: January 30, 2001
    Assignee: Steyr-Daimler-Puch Aktiengesellschaft
    Inventors: Ulrich Zedrosser, Hubert Kefer
  • Patent number: 6131325
    Abstract: A safety device for rifles having a housing (1) which accommodates a breech body (3) and having an operating part (14) which is arranged on the butt grip and is operatively connected to a catch (12) for a release plunger (30) which is loaded, when the breech is cocked, by the force of a firing pin spring (7), and in the case of which items a breech holder (10) is provided in the vicinity of the catch (12), can be lowered against the force of a spring and engages in a guide groove (11) in the breech body (3), is intended to be improved and, furthermore, the operating convenience is intended to be increased.
    Type: Grant
    Filed: December 4, 1998
    Date of Patent: October 17, 2000
    Assignee: Steyr Daimler Puch Aktiengesellschaft
    Inventor: Hubert Kefer