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Class 84/413 - Cord tighteners


Subclass of Class 84 - Music
Definition: Means for tightening cords that stretch the heads.
No. of patents: 133
Last issue date: 04/10/2012


1        
NumberTitleIssue Date
8153876Systems and methods of stretching and tuning drumheads
A system for stretching and tuning a drumhead includes a plurality of bolts each provided with a threaded shank and at least one associated nut threaded thereon. Each bolt is secured circumferentially and substantially equi-angularly about the periphery of the drum ...
04/10/2012
8143507Adjusting device for snare drum
In combination with a snare drum having snare wires, a drum head and a side wall, slidable bands endwise connected with the wires, first adjustable mechanism connected with the a band end, and supported by the wall, second adjustable mechanism connected with another...
03/27/2012
7977558Strainer, and snappy holding structure by the strainer
Intended is to provide a strainer having a switch mechanism, which is hardly rattled by a wear, which can be stably operated by a weak force, which does not load a snare assembly and which can maintain an excellent operation feel, and a snare assembly holding struct...
07/12/2011
7960633Anti-rotation counterhoop-fixing structure for drum
An anti-rotation counterhoop-fixing structure is provided for a drum, which realizes secured and reliable fastening of the counterhoop, wherein a fastening end face of a drum-fastening screw and a fastening face of the counterhoop are respectively provided with roug...
06/14/2011
7956266Snare mechanism for a snare drum
An internal mechanism for a musical instrument snare drum that supports the snares and allows adjustment of the snare strands in tension as well as relative position to the vibrating member or head of the drum is provided. The mechanism has a support beam that gives...
06/07/2011
7888575Percussion instrument
An improved drum construction in which sound hindering hardware is removed from the drum shell utilizing a unique tuning system that allows the drum skin to be tuned by rotating a counterhoop to bear pressure on an annular hoop securing the drum skin against a beari...
02/15/2011
7781661Drumhead assembly
A drumhead assembly comprising a drumhead membrane fixed within an annular ring and a tensioning ring for tensioning the membrane, located within the annular ring and against the drumhead membrane, comprising a cylindrical rod formed in a circular, flat configuratio...
08/24/2010
7700864Lockable throw-off for snare drum
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 ...
04/20/2010
7511211Securing drum head to drum body with quick-action drum lug assemblies
Methods of attaching a drum head to a drum body. Lug assemblies may include a lug body having a recess and a seating surface; an elongate link having a proximate end disposed near the drum head and a distal end disposed away from the drum head. A stop assembly is ad...
03/31/2009
7511210Drum rim gap or space dimension gauge
A drum gauge is disclosed that provides a measurement of the length of the tension rods. In operation the gauge is compressed, placed around each tension rod and released. A display on the gauge provides a numerical value for the relative exposed length of the tensi...
03/31/2009
7439431Banjo tensioner
A banjo tensioner is provided in which wave springs inserted between the flange and the nuts operate to maintain a constant tension on the banjo hooks. The invention also contemplates using a wave spring as placed between the washer that applies pressure to the rim ...
10/21/2008
7402740Tuning system for percussion instrument
A tuning mechanism for tuning a drum having a head and a shell. The tuning mechanism includes a tuning bracket or receptacle mounted to the shell with a stabilizing portion formed thereon. A tuning rod has a first end attached to the head of the drum for varying the...
07/22/2008
7371955Drum tuning key
A drum tuning key comprises a handle portion, a barrel portion defining an axis connected to the handle portion, the barrel portion having internal walls defining a cavity extending inwardly along the axis from an end of the barrel portion, the cavity being square i...
05/13/2008
7351899Quick action drum lug assembly and method
Lug assemblies and associated methods of attaching a drum head to a drum body. The lug assembly may comprise a lug body having a seating surface; an elongate link having a proximate end disposed proximate the drum head and a distal end disposed distal from the drum ...
04/01/2008
7351900Drum key having deployable handle
A drum key for adjusting the bolts that secure and tune the drum heads or skin that close one or more ends of a drum. The key is constructed in an elongated body with one end having a socket configured for engaging onto the head of a tightening bolt used to tighten ...
04/01/2008
7338240Double nut for the controlled fixing of a component by means of a belt connection
A double nut for a controlled fixing of a component using a bolt connection, comprising a pulling sleeve having an internal thread adapted to be screwed onto a threaded end of a bolt, and a pressing sleeve adapted to be supported on the component. An internal thread...
03/04/2008
7310866Method for manufacturing a percussion instrument
A method of manufacturing a percussion instrument has the steps of providing a first member into a liquid with the first member having a first diameter. The first member has a first end and a second end. The method also has the step of heating the liquid and stretch...
12/25/2007
7291777Captive washers of a drum
Captive washers are used with tension control devices on a drum having a drum shell, two drum hoops, two drumheads and multiple tension control devices. Each tension control device is mounted on the drum shell and has a mounting post, a connector and two adjusting b...
11/06/2007
7291776Adjustable venturi for a drum
A vent for a drum or drum head is provided. The vent includes a valve which is mounted on the side of the drum or drum head which can be adjusted between fully open and fully closed positions and may provide a range of settings between those two positions. A number ...
11/06/2007
7244883Drum container
A drum including a cylindrical shell having an upper edge defining an open top end, and a lower edge defining an open bottom end; a drum skin disposed over the top end; a plurality of lugs mounted on an outer surface of the shell in positions annularly spaced adjace...
07/17/2007
7223910Snare drum
A snare drum including a drum shell having an upper head and a lower head mounted thereon and a frame for holding a plurality of snare wires. The frame arranges the snare wires to be in contact with the lower head or to be spaced from the lower head. The snare drum ...
05/29/2007
7179985Hybrid electric/acoustic percussion instrument
A hybrid electric/acoustic percussion instrument and percussion set containing the instrument. The instrument includes a hollow cylindrical shell having a first end and a second end and an inside cylindrical surface. A first substantially rigid plate having an outsi...
02/20/2007
7163431Toy percussion instrument with tethered striker
A toy percussion instrument that is characterized by a novel method of attaching a tether to a striker and/or main instrument body. The new location of attachment enables compliance with stringent safety standards without detracting from the playability of the toy i...
01/16/2007
7156429Retainer for an over-centre fastener
A retainer for an adjustment device for an over-center fastener for securing and clamping two parts (11, 12) together by applying a pulling force between the parts by a lever (14). The adjustment device includes an externally threaded member (17...
01/02/2007
7084338Lug fixing structure for drum
A hollow cylinder of a drum is equipped with a lug fixing structure for detachably attaching a lug thereto by using a lug fixing member, which projects externally from the hollow cylinder and engages with an engagement hole of the lug. Herein, the lug fixing member ...
08/01/2006
7074995Unique sounding drum
The unique sounding drum is a drum assembly having a metal body, a pair of upper rings and a membrane stretched across the top of the metal body and extended between the pair of upper rings. The metal body has a general hourglass configuration with an upper portion ...
07/11/2006
7074996Drum head assembly and method of tensioning a drum head
There is provided a drum head assembly. The drum head assembly has an outer member and an inner member. The outer member has an L-shaped step on its inside surface with posts extending outward from the base of the step. The depth of the inside edge of the outer memb...
07/11/2006
7074994Tunable drumhead
An improved drumhead comprising a substantially annular hoop having a generally planar upper member spaced apart from a generally planar lower member, a circumferential inner rim and a circumferential outer rim. Also provided is a film material or membrane for const...
07/11/2006
7071401Carrier assembly for percussion instruments
Apparatus is disclosed for carrying percussion instruments, particularly drums of various kinds, which comprises a combination of a carrier assembly with a novel receptacle for supporting J-rods thereon. The carrier is a vest-type or T-bar-type carrier with clamps f...
07/04/2006
7045696Single adjustment balancing and tuning of acoustic drums
Apparatus and method for enabling simultaneous balancing and tuning of an acoustic drum with a single adjustment. A band, such as a cable, extends about adjustment ties which holds the drum skin or head to the housing or hoop of the drum so that, when tightened, the...
05/16/2006
6963022Drum and head diaphragm adjustor for drum
A head diaphragm adjustor for adjusting tension applied to upper and lower head diaphragms of a drum. A first bolt adjusts the tension applied to the upper head diaphragm. A second bolt adjusts the tension applied to the lower head diaphragm. A first meshed portion ...
11/08/2005
6956159Drum head securement device
A securement device for securing a drum head upon a drum shell or body through a tension rod, including a lug assembly that not only allows a downward pull on and hence tightening of the associated tension rod, but also provides for three additional parameters of ad...
10/18/2005
6955498Circular conduit opening closure device
The closure device for a circular conduit opening may be used to inhibit entry of debris and other matter into a conduit. The closure device may have an outer band, an inner band and a cover wherein a perimeter edge of the cover may be fastened between the outer ban...
10/18/2005
6953883Drum hoop
A drum hoop includes an annular ring having inward and outward faces and a plurality of flanges formed on the outward face projecting radially outwardly from the lower edge. A plurality of parallel visual guidelines are formed on the inward face of the ring position...
10/11/2005
6949702Drumhead quick disconnect
A quick disconnect that enables a drummer to quickly remove and apply tension to a drumhead of a drum is provided. The disconnect is operable with many types of drums, such as a conga drum. The disconnect allows a drummer at the end of a playing session to quickly r...
09/27/2005
6927330Drum with modulated acoustic air vent
A tunable drum is shown having a hollow drum shell, and imperforate drumheads closing the ends of said drum shell. One or more opening extend through the drum shell for acoustic venting, and valves are provided for adjusting the size of the openings to vary the amou...
08/09/2005
6916977Drum
In a drum in which a drum head installed on one or both of open ends of a trunk main body that constitutes a drum main body of the drum is tightened by lug bolts and stretched by a hoop, reinforcing rings are provided in anchoring holes that are formed in the hoop f...
07/12/2005
6909040Low cost musical quality hand drum
The present invention relates to a musician quality hand drum that may be produced in a simplified and economical manner. The hand drum is simplified in that it utilizes a ring interconnected within an open end of a simple tubular shell to allow a musical quality dr...
06/21/2005
6828495Drum and drumhead stretching mechanism therefor
In a drumhead stretching mechanism adapted to a drum, a bolt for tightening or loosening a drumhead stretched at ends of a hollow cylinder under tension is inserted into a latch that is hooked on a clamp frame for clamping and holding outer circumferential ends of t...
12/07/2004
6747199Quick release drum lug assembly
A quick release lug system for musical drums. The assembly utilized by the present invention uniquely allows a user to remove a drumhead quickly, dispensing with the need to unscrew multiple tuning rodes. Thus, the assembly of the present invention allows for more e...
06/08/2004
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