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Class 473/520 - With sound-deadening, vibration-damping, or shock-absorbing feature other than projectile- or hand-contact surface or with rebound reducing feature


Subclass of Class 473 - Games using tangible projectile
Definition: Subject matter wherein the projecting implement (a) comprises
No. of patents: 119
Last issue date: 07/06/2010


1      
NumberTitleIssue Date
7749114Composite bat
A bat has a barrel with a multi-wall construction. The handle can be formed integrally with the inner wall. A damping device can be installed between the handle and the outer wall of the barrel. The damping device can dampen vibrations transmitted from the outer wal...
07/06/2010
7442135Ball bat including a focused flexure region
A ball bat includes one or more focused flexure regions located predominantly or entirely in the transition section between the barrel and the handle of the ball bat. One or more of the focused flexure regions may additionally or alternatively be located partially o...
10/28/2008
7410433Bat handle with optimal damping
A bat has an elongate tubular striking member of a first material, and an elongate handle member of a second material. The handle may be of composite material laid up in selected layers and orientation to produce selected weight distribution, strength, and stiffness...
08/12/2008
7361106Bat having a sleeve with slots
Disclosed herein is a bat comprising a handle portion, a transition portion attached to the handle portion, and a barrel portion attached to the transition portion. The barrel portion includes one or more first cross-sections having a first stiffness and a plurality...
04/22/2008
7335118Shock absorbing and sound producing device for tennis racket
A device mounted in a tennis racket includes a cylindrical cushioning member including an annular groove, a central chamber, an axial channel crossed the chamber, and two recesses at its both ends; and a rigid, doughnut-shaped, hollow sound producing member mounted ...
02/26/2008
7331885Bunting bat
Bats that aid in bunting are disclosed herein. The bats generally include a rounded elongate shaft having a handle end and a contact end, and the handle end may have a diameter that is smaller than a diameter of the contact end. In an embodiment, at least one indica...
02/19/2008
7320653Tubular baseball bats with full length core shafts
A tubular baseball bat comprising a substantially full length core shaft of preferably constant cross-section, including a handle portion, and a barrel with a gap or separation between the core shaft and barrel, the core shaft and barrel being connected at two or mo...
01/22/2008
7311620Bat with interchangeable sections
A bat having interchangeable sections comprising a handle section and a hollow striking section. The handle section includes a first end and a second end, while the hollow striking section includes a tapered portion and a barrel portion. The second end of the handle...
12/25/2007
7282000Articulated lacrosse stick
An articulated lacrosse stick having a head portion, a handle portion and an articulation mechanism capable of moving a first portion of the stick from a first position to a second different position with respect to a second portion of the stick is disclosed. The he...
10/16/2007
7267619Golf club balancing apparatus
A golf club balancing apparatus consisting of an elongated, pliable housing component tapered as respects the top portion thereof with flexible, durable ribbing affixed to the exterior walling of the remnant portion of the housing component serving to hold the housi...
09/11/2007
7264098Harmonic damper for handheld instruments
A damper for reducing vibrations in a handheld device, tool and/or instrument may comprise a resilient member and a weight. The resilient member may mounted to any portion of a device having a surface suitable for engaging and retaining the resilient member therein,...
09/04/2007
7261654Extendable bat
An extendable bat has a covering member, a tubular core, a handle, an adjusting device, a cap, and a collar. The adjusting device has a first locking member and a second locking member. With the cooperation of the first locking member and the second locking member, ...
08/28/2007
7235024Training bat
A training bat having a handle portion with a knob end and a barrel receiving end, a hitting portion, and a means for tethering said handle portion to said hitting portion. The means for tethering is selected from either an eye bolt assembly, a link assembly, and an...
06/26/2007
7232386Hockey stick
A composite hockey stick having a tubular hollow rectangular shaft and a blade is disclosed. The shaft comprises an inner layer and an outer layer, each of the inner and outer layers are formed of uni-directional substantially continuous fibers disposed in a hardene...
06/19/2007
7232388Polymer composite bat
A baseball bat is described having of an elongated cylindrical handle portion for gripping, a cylindrical barrel portion for striking and a tapered cylindrical mid-section connecting the handle portion and the barrel portion, wherein at least the barrel portion is t...
06/19/2007
7226374Lacrosse head and method of forming same
A lacrosse head with improved weight and handling characteristics includes a frame element having a base portion, a scoop portion, and a pair of opposing sidewall portions extending between the base portion and the scoop portion. The frame element includes one or mo...
06/05/2007
7217203Tennis racket
A tennis racket having a racket frame defining a ball-hitting face, wherein if the upper part of the ball-hitting face is set as a 0-degree position, a string protection member is mounted on at least one portion of a head part of the racket frame in a range from a c...
05/15/2007
7214152Bat having a sleeve with slots
Disclosed herein is a bat comprising a handle portion, a transition portion attached to the handle portion, and a barrel portion attached to the transition portion. The barrel portion includes one or more first cross-sections having a first stiffness and a plurality...
05/08/2007
7207907Ball bat having windows
A bat extending along a longitudinal axis and configured for impacting a baseball or softball in competitive play includes a handle portion coupled to a barrel portion. The handle portion has a distal end and includes a tubular tapered region positioned adjacent the...
04/24/2007
7201680Racket frame
A racket frame including a grip part, a shaft part, a throat part, and a head part formed hollowly with a fiber reinforced resin and having a weight not less than 100 g nor more than 270 g. The racket frame is provided with a dynamic damper comprising a mass member ...
04/10/2007
7201679Sectional vibration damping, flexible bat
A vibration damping baseball bat includes a barrel portion and a handle portion. The barrel portion and the handle portion are interconnected in an aligned and spaced-apart relation. The mechanism by which the barrel and handle portions are interconnected dampens vi...
04/10/2007
7178428Impact instrument
An impact instrument for delivering an impulse to an object. The impact instrument may include an impact surface for contacting the object and an elongated member extending from the impact surface that terminates in an end. The elongated member may include a graspin...
02/20/2007
7169069Adjustable handle grip
An adjustable collar for attachment around a handle such as the handle of a baseball bat. The adjustable collar has a rubber-like strip which has a strap affixed to its outer face. The strap extends past the rubber strip and has a ring at one end and a free end at t...
01/30/2007
7163475Ball bat exhibiting optimized performance via discrete lamina tailoring
A ball bat exhibits improved barrel performance in regions located away from the “sweet spot” of the bat barrel, as a result of discrete lamina tailoring in those regions. One or more layers, or laminae, in regions of the bat barrel away from the sweet spot, are...
01/16/2007
7150692Sport good of composite material with lighter weight and greater rigidity
A sport good, such as hockey stick, Ping-Pong bat, baseball bat, ski stick and so on, has a rigid member made of a composite material. The rigid member has a chamber therein, in which a high-pressure gas is filled to make the sport good having both properties of lig...
12/19/2006
7144343Hockey stick
A hockey stick comprising a blade and a shaft adapted to being joined together. The blade portion having an upper portion and a lower portion and a face. The upper portion being comprised of a defined region having a reduced width dimension in a direction that exten...
12/05/2006
7140987Method of making laminated ball bat with engineered sweet spot zone
The present technology relates to methodology for making laminated ball bats. The disclosed technology provides for a bat that is designed with a generic bat shape (such as a bat consisting of a handle and a barrel where the handle has a smaller diameter than the ba...
11/28/2006
7140988Bat with interchangeable handle and barrel
The present invention discloses a bat having an interchangeable handle portion and barrel portion. The handle portion has a first end and a second end. The barrel portion has a proximal end and a distal end, the proximal end abuttable to the second end of the handle...
11/28/2006
7137913End configuration for a baseball bat
An end configuration for a bat includes in one embodiment an end cap that has a base that is shaped to fit within the open end of the bat thereby to attach the end cap to the bat. The end cap also includes a convexly contoured end surface that is exposed when the en...
11/21/2006
7137912Tennis racket
In a tennis racket having a racket frame composed of a fiber reinforced resin, the moment of inertia Ic of the tennis racket in a center direction thereof is set to not less than 13000 g·cm2 nor more than 17000 g·cm2, the moment of inertia Ig...
11/21/2006
7108617Racket for ball games
The present invention relates to a racket, in particular a tennis racket or squash racket having a particularly suitable dampening behavior. For this purpose, the ball game racket of the present invention comprises a racket head, a heart region and a handle portion ...
09/19/2006
7097578Bat having a flexible handle
A bat has an elongate tubular striking member of a first material, and an elongate handle member of a second material. The handle may be of composite material laid up in selected layers and orientation to produce selected weight distribution, strength, and stiffness...
08/29/2006
7097577Hockey stick
A hockey stick having a composite blade and a shaft is disclosed. The composite blade includes a heel section that is recessed relative to the front and back faces of the blade. The recessed heel section is configured to be received by a hockey stick shaft or an ada...
08/29/2006
7081055Method for making rackets with shock absorbing members
A racket includes a head and a shaft, a throat is connected between the head and the shaft. Shock absorbing members are installed to desired positions of the racket so as to reduce impact transferred to the player's hand. Two throat extensions extend from the head a...
07/25/2006
7070525Racket for ball games
The present invention relates to a racket, in particular a tennis racket or squash racket exhibiting a particularly suitable stiffness and/or strength behavior. For this purpose, the ball game racket of the present invention comprises a racket head, a heart region a...
07/04/2006
7070524Weighted hockey stick
A hockey stick that includes an elongated hollow shaft with a bottom end and a top end, at least one weight with apertures formed therethrough, and an elongated metal support that releasably supports the weight thereon. The support is adapted to be inserted within t...
07/04/2006
7052419Ball bat
A ball bat includes a handle portion, a tubular core, a middle device and a striking portion. The handle portion is made of plastics or wooden materials and has a front end, a rear end and a body between them. The tubular core is made of fiber reinforced plastic mat...
05/30/2006
7044871Tubular baseball bats with full length core shafts
A tubular baseball bat comprising a substantially full length core shaft of preferably constant cross-section, including a handle portion, and a barrel with a gap or separation between the core shaft and barrel, the core shaft and barrel being connected at two or mo...
05/16/2006
7033291Polymer shell bat
A metal baseball or softball bat may be improved both for durability and performance by selectively placing a layer of polymer material around portions of the bat. In one embodiment, the barrel portion of the bat may have a polymer layer directly laid up upon the me...
04/25/2006
7014579Shock absorbing device for racket
Provided is an elastomeric shock absorbing device mountable in a racket such as tennis racket. The device comprises a cylindrical first cushioning member including two annular flanges in its top and bottom respectively, an intermediate annular recess, a spherical ch...
03/21/2006
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