Patents Assigned to Drum Workshop, Inc.
  • Patent number: 7902444
    Abstract: For combination with a snare drum having a side wall, a head, snare wiring extending adjacent the head, and a slidable band operatively connected with the snares, an assembly that comprises a mount connectible to said side wall, a support arm having operative adjustable connection to the mount, a handle operatively pivotally connected to the support arm, and also operatively connected to the band, the handle having an extended position in which the band is endwise loosened so that the snare wires are loosened, and also having a retracted position in which the band is endwise tightened so that the snare wires are tensioned adjacent the drum head.
    Type: Grant
    Filed: November 20, 2009
    Date of Patent: March 8, 2011
    Assignee: Drum Workshop, Inc.
    Inventors: John J. Good, Richard A. Sikra
  • Patent number: 7812236
    Abstract: In the method of producing a drum having a desired tonal quality, including providing a one-piece wooden cylindrical shell, milling the shell bore to reduce shell thickness to a level characterized as associated with a selected drum tone preliminarily produced when the assembled drum having a head or heads is struck with a beater, and tensioning the head or heads to achieve final tonality.
    Type: Grant
    Filed: July 13, 2009
    Date of Patent: October 12, 2010
    Assignee: Drum Workshop, Inc.
    Inventor: John J. Good
  • Patent number: 7718876
    Abstract: In a drum shell, the combination comprising the shell having multiple wooden curved plys, each ply having a grain extending in a characteristic direction, the grain direction of at least one ply extending crosswise relation to the grain direction of the next adjacent ply.
    Type: Grant
    Filed: April 9, 2007
    Date of Patent: May 18, 2010
    Assignee: Drum Workshop, Inc.
    Inventor: John Good
  • Patent number: 7700864
    Abstract: An adjusting throw-off device for use on a drum having a side wall and a head, comprising a support body attachable to side wall of the drum, a hand manipulable lever having pivotal attachment to the body, a tensioning member operatively connectible to a strap that tensions release strands extending adjacent the drum head, the member having operative guided relation with the body in tilting and in endwise extension and retraction modes, and operative connection with the lever to tension the strap and strands to captivate the lever when the lever is swung toward the support body, and to de-tension the strap and strands when the lever is swung away from the support body.
    Type: Grant
    Filed: January 13, 2009
    Date of Patent: April 20, 2010
    Assignee: Drum Workshop, Inc.
    Inventor: Richard A. Sikra
  • Patent number: 7641560
    Abstract: A linkage coupling a drum foot pedal rotor to a drum beater apparatus comprising in combination an elongated link, a first universal joint coupling the rotor to the link, and a second universal joint coupling the link to the apparatus, at least one of the universal joints coupling first and second components relatively rotatable about a transverse axis, two transversely spaced bearings carried by the first component, each bearing including annular inner and outer races and bearing balls located between the races, there being members tightly coupling the inner races to the second component at transversely spaced locations, whereas the inner races are offset transversely relative to the outer races to thereby clamp the balls transversely between the races, and immobilizing means joining the outer races to the first component, and/or the members to the second component.
    Type: Grant
    Filed: October 16, 2006
    Date of Patent: January 5, 2010
    Assignee: Drum Workshop, Inc.
    Inventor: Richard A. Sikra
  • Patent number: 7601902
    Abstract: Multi-pivoted pedal drum beating apparatus, comprising a base, a swingable drum beater, a longitudinally extending pedal for swingably activating the beater, a first support for supporting the pedal to pivot at a first location, a second support for supporting the pedal to pivot at a second location, and the pedal being suspended by supports to pivot downwardly and optimally laterally during activation of the beater. Multiple axes of pivoting are defined by said apparatus.
    Type: Grant
    Filed: June 9, 2008
    Date of Patent: October 13, 2009
    Assignee: Drum Workshop, Inc.
    Inventor: Donald G. Lombardi
  • Patent number: 7565970
    Abstract: An assembly for transporting and displaying multiple drumsticks for access, comprising, in combination an enclosure for transport of drumsticks and a stand, structure attached to the enclosure having collapsed position relative to the enclosure, for transport, the structure having an alternative deployed position in which the stand can be attached to said structure in upright supported position, there being a generally horizontal tray associated with said structure in said deployed position, and drumsticks removed from the enclosure and displayed on the tray for selective use by a drummer.
    Type: Grant
    Filed: December 26, 2006
    Date of Patent: July 28, 2009
    Assignee: Drum Workshop, Inc.
    Inventor: Peter Erskine
  • Patent number: 7507890
    Abstract: A drum lug assembly, comprising, in combination first and second lugs attachable to the outer side of the drum shell, the lugs interconnected and defining aligned bores, and a receiver for a tensioning rod floatably coupling to at least one of the lugs.
    Type: Grant
    Filed: December 26, 2007
    Date of Patent: March 24, 2009
    Assignee: Drum Workshop, Inc.
    Inventor: Richard A. Sikra
  • Patent number: 7468480
    Abstract: Bongo drum apparatus that includes a stand, an integrating interconnection between the bongo drums, and a clamp for clamping the stand to the integrating interconnection.
    Type: Grant
    Filed: December 4, 2006
    Date of Patent: December 23, 2008
    Assignee: Drum Workshop, Inc.
    Inventor: Richard A. Sikra
  • Patent number: 7410136
    Abstract: For use with a percussion instrument, the combination comprises a clamp base to support the percussion instrument, a clamp jaw, adjustable connector structure connecting the jaw to the base for displacing the jaw toward and away from the base, and clamping structure carried on at least one of the jaw and the base to be clamped against a support member in response to relative clamping displacement of the jaw and base, whereby adjustment of the structure accommodates to clamping of different size support members by clamping structure.
    Type: Grant
    Filed: June 13, 2005
    Date of Patent: August 12, 2008
    Assignee: Drum Workshop, Inc.
    Inventor: Donald G. Lombardi
  • Patent number: 7399916
    Abstract: Percussion instrument support apparatus, comprising in combination, a base, an upright stand pivotally supported on the base to a first position, a brace releasably connected to the base at a second position apart from the first position, the brace pivotally connected to the stand, whereby when the stand is swung to down position relative to the base, the brace is released from the base and is swung to a down position relative to the base.
    Type: Grant
    Filed: October 26, 2006
    Date of Patent: July 15, 2008
    Assignee: Drum Workshop, Inc.
    Inventor: Donald G Lombardi
  • Patent number: 7395994
    Abstract: A percussion instrument arm adapter, comprising in combination, a support at one end of an arm, the support including rod clamping elements positioned for relative adjustment to clamp a rod, structure for effecting the relative adjustment, one of the elements swingable relatively away from the other element when at least part of the structure is moved out of element adjusting position, and against a shoulder or shoulders resisting such movement.
    Type: Grant
    Filed: October 18, 2004
    Date of Patent: July 8, 2008
    Assignee: Drum Workshop, Inc.
    Inventor: Richard A. Sikra
  • Patent number: 7385126
    Abstract: In combination at least one drum having a drum head and a shell supporting the head, and having an outer side, at least one pad located proximate the shell outer side, to be supported by a drummer's leg, or legs, whereby the drum can be supported by the drummer's leg or legs via the pad.
    Type: Grant
    Filed: July 27, 2006
    Date of Patent: June 10, 2008
    Assignee: Drum Workshop, Inc.
    Inventor: Akbar Moghaddam
  • Patent number: 7365258
    Abstract: A percussion assembly including a sound box having upright walls, a seat top, and an interior, the assembly comprising a beater located in the box interior, and means to activate the beater to repeatedly beat against a surface of a wall at said interior.
    Type: Grant
    Filed: August 2, 2006
    Date of Patent: April 29, 2008
    Assignee: DruM Workshop, Inc.
    Inventor: Donald G. Lombardi
  • Patent number: 7351902
    Abstract: For use in actuating a cymbal, there being an upright support stand and an upright rod associated with the stand and operatively attached to a cymbal to move it substantially vertically as the rod is moved substantially vertically, in response to operation of a foot activated pedal unit, the combination comprising an enclosure associated with the stand and being openable, the rod projecting downwardly to a rod end connection in the enclosure, the rod end connection movable longitudinally up and down relative to the enclosure, an endwise movable cable projecting upwardly to a cable end connection in the enclosure, the cable end connection having releasable coupling to the rod end connection to be longitudinally movable up and down therewith, thereby moving the rod up and down, and a cable guide carried by the enclosure to enable longitudinal release of said coupling and lateral removal of the cable end connection from the enclosure upon opening thereof.
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: April 1, 2008
    Assignee: Drum Workshop, Inc.
    Inventor: Richard A. Sikra
  • Patent number: 7348479
    Abstract: A drum beating practice assembly, comprising a stand, and a beater striking pad carried by the stand; a sub-assembly including a swingable drum beater, a base, a foot actuated pedal on the base, and mechanism to displace the beater to strike the pad in response to foot activated pedal movement; and a coupler to adjustably and stably couple the stand to the sub-assembly whereby when the displaced beater repeatedly strikes the pad, the stand and sub-assembly remain adjustably coupled together.
    Type: Grant
    Filed: October 5, 2004
    Date of Patent: March 25, 2008
    Assignee: Drum Workshop, Inc.
    Inventor: Donald G. Lombardi
  • Patent number: 7348478
    Abstract: A tambourine structure comprising in combination a frame extending at least in part along an extended path, multiple jingles carried by the frame at selected locations along said path, and means carried by the frame to connect the frame to support structure selectively in each of at least two different positions.
    Type: Grant
    Filed: October 26, 2006
    Date of Patent: March 25, 2008
    Assignee: Drum Workshop, Inc.
    Inventor: Donald G. Lombardi
  • Patent number: 7268283
    Abstract: Apparatus for clamping two drums to an upright support, the drums each having a projecting bracket or brackets, defining at least one through opening, comprising a carrier body connectable to the upright support, posts on the carrier body receivable in bracket openings, and adjustable mechanism on the carrier body for displacing at least one of the posts relative to at least one bracket opening to clamp at least two posts against the brackets. Certain posts may be carried by structure connected to the drums; and certain post receiving openings may be carried by the upright support.
    Type: Grant
    Filed: April 28, 2005
    Date of Patent: September 11, 2007
    Assignee: Drum Workshop, Inc.
    Inventor: Richard A. Sikra
  • Patent number: 7232947
    Abstract: For use in actuating a cymbal or the like, there being an upright support stand and an upright rod associated with the stand and attached to the cymbal to move it vertically, and there being a foot activated pedal unit remote from the stand, the combination comprising a first frame associated with the stand, and a connector unit associated with the frame, said rod connected with said connector unit to be moved longitudinally upwardly and downwardly by said unit, an elongated rotary linkage extending laterally between said pedal unit and said connector unit, the connector unit configured to convert rotary motion transmitted by the linkage to longitudinal motion transferred to said rod.
    Type: Grant
    Filed: January 18, 2005
    Date of Patent: June 19, 2007
    Assignee: Drum Workshop, Inc.
    Inventor: Donald G. Lombardi
  • Patent number: D580477
    Type: Grant
    Filed: November 30, 2007
    Date of Patent: November 11, 2008
    Assignee: Drum Workshop, Inc.
    Inventors: Richard A. Sikra, Scott J. Donnell