U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5983411

Toilet Tank Aquarium

A new toilet tank assembly aquarium for housing aquatic creatures.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 474/82 - Shifter mechanism including parallelogram linkage


Subclass of Class 474 - Endless belt power transmission systems or components
Definition: Subject matter wherein the belt-moving device includes four
No. of patents: 264
Last issue date: 02/07/2012


1              
NumberTitleIssue Date
8109848Pivotal connection of a bicycle derailleur
A stable and play-free pivot connection of a bicycle derailleur between a parallelogram link and either a base member or a chain cage. The pivot points are formed with first and second bushings that are arranged as far from one another as possible. The parts are con...
02/07/2012
8105193Bicycle rear derailleur
A bicycle rear derailleur is basically provided with a base member, a movable member and a moving mechanism. The movable member pivotally supports a chain guide. The moving mechanism is coupled between the base member and the movable member so that the movable membe...
01/31/2012
8066597Electrically operated derailleur with force overload protection
A derailleur comprises a base member, a movable member; a linkage mechanism including a link member coupled to the base member and to the movable member so that the movable member moves relative to the base member, a motor including a drive member, and a driven memb...
11/29/2011
8029396Front derailleur for a bicycle
A derailleur including an articulated quadrilateral mechanism, having four parallel articulation axes is provided. At a first articulation axis, between a fixed member and a first connecting rod, the fixed member includes a first forked structure embracing the first...
10/04/2011
8025598Low profile rear derailleur with a chain receiving space
A bicycle rear derailleur comprises a base member; a movable member that supports a chain guide including a pulley that rotates around a pulley axis, wherein the pulley has a pulley plane; and a linking member coupled between the base member and the movable member s...
09/27/2011
8012052Low profile rear derailleur with cable guide
A bicycle rear derailleur comprises a base member; a movable member that supports a chain guide including a first pulley that rotates around a first pulley axis, wherein the pulley has a pulley plane; a first linking member coupled between the base member and the mo...
09/06/2011
8007383Low profile rear derailleur
A bicycle rear derailleur comprises a base member, a movable member that supports a chain guide including a pulley that rotates around a pulley axis, and a linking member coupled between the base member and the movable member so that the chain guide moves laterally ...
08/30/2011
8002655Actuator device for a bicycle gearshift
An actuator device for a bicycle gearshift is provided. The actuator device having an articulated quadrilateral mechanism intended to be integrally fixed to a bicycle frame and to a derailleur of the gearshift, a motor member that acts on the articulated quadrilater...
08/23/2011
7963871Bicycle front derailleur with angle adjustment
A bicycle front derailleur includes a base member, a movable member, and a chain guide with an angle adjustable plate member. The base member is configured to be coupled to a portion of a bicycle. The movable member has a first support side coupled to the base membe...
06/21/2011
7942768Electrically operated derailleur that re-engages a disengaged derailleur force overload clutch
A derailleur includes a motor that drives a drive member, a driven member driven by the drive member, and a clutch having a first element that disengages from a second element when substantial resistance exists in a power transmission path between the drive member a...
05/17/2011
7942767Bicycle derailleur with multiple mounting adjustments
A bicycle derailleur comprises a base member; a movable member that supports a chain guide, wherein the movable member is coupled to the base member so that the movable member moves relative to the base member for moving a chain among a plurality of sprockets; an in...
05/17/2011
7914407Bicycle front derailleur assembly
A manually operated bicycle front derailleur assembly includes a linkage assembly, a lever member and a connecting link. The linkage assembly is supported to a fixing member and includes an inner link pivotally coupled to the fixing member at a first pivot point, an...
03/29/2011
7892122Electrically operated derailleur with a power storing mechanism
A derailleur for a bicycle comprises a base member, a movable member for supporting a chain guide, a linkage mechanism coupling the base member to the movable member, an electrically operated actuating element, and a power storing mechanism. Moving the actuating ele...
02/22/2011
7874948Rocker arm assembly for the rear derailleur of a bicycle
Rocker arm assembly for the rear derailleur of a bicycle, comprising an outer plate carrying a pivot pin, an inner plate and a pair of idle transmission wheels arranged between the outer plate and the inner plate. The inner plate is made of metallic material and the...
01/25/2011
7854673Bicycle sprocket assembly having a reinforcement member coupled between sprockets
A bicycle sprocket assembly includes a first sprocket, a second sprocket and at least one reinforcement member. The first sprocket includes a first main body and a first chain engagement portion. The second sprocket includes a second main body and a second chain eng...
12/21/2010
RE41782Electrically operated derailleur with power storing mechanism
A rear derailleur for a bicycle includes a base member for attaching the rear derailleur to the bicycle, a movable member for supporting a chain guide, and a linkage mechanism coupling the base member to the movable member so that the movable member is capable of mo...
09/28/2010
7762916Front derailleur for bicycle
A front derailleur basically comprises a base member, a chain guide, inner and outer links, a first arm portion, and a coil spring. The chain guide is freely swingably coupled to the base member to guide a chain in a direction of shifting gears. Each of the outer li...
07/27/2010
7722489Bicycle front derailleur
A bicycle front derailleur includes a chain guide that is provided with a pushing element that is movable relative to the chain guide to assist in shifting a bicycle chain from a smaller front sprocket to an adjacent larger sprocket. The chain guide is part of a mov...
05/25/2010
7722488Bicycle rear derailleur
A bicycle rear derailleur includes a base member, a movable member, a chain cage, a first pulley, a second pulley and a chain guard member. The base member is configured to be mounted to a bicycle. The movable member is movably coupled to the base member. The chain ...
05/25/2010
7704173Motorized bicycle derailleur assembly
A motorized bicycle derailleur assembly has a motor unit, a movable part (e.g., a motor linkage, a derailleur linkage and/or a chain guide) and a controller. The movable part is in response to activation of the motor unit within a mechanical stroke. The motor unit h...
04/27/2010
7677998Bicycle front derailleur
A bicycle front derailleur includes a base member, a movable member and a linkage assembly. The base member is configured to be fixedly coupled to a bicycle frame. The movable member has a chain guide portion. The linkage assembly is coupled between the base member ...
03/16/2010
7674198Bicycle rear derailleur
A main derailleur body includes a first end and a second end. The first end of the main derailleur body is configured to be mounted to a bicycle. A chain cage is pivotally coupled to the second end of the main derailleur body between at least a first orientation and...
03/09/2010
7651424Bicycle front derailleur
A bicycle front derailleur includes a fixed member, a chain guide, a linkage assembly and an adjustable mounting fixture. The fixed member includes a frame mounting portion having at least one frame mounting hole and a linkage support portion. The linkage assembly i...
01/26/2010
7614972Bicycle rear derailleur
A bicycle base member adjustment assembly is provided for a base member of a rear derailleur. The bicycle base member adjustment assembly basically has a base member stopper plate, a biasing force adjustment member and a biasing force adjusting element. The biasing ...
11/10/2009
7527571Rear derailleur for bicycle
The rear bicycle derailleur guides a chain to one of a plurality of rear sprockets. The rear derailleur includes a base member, a linkage assembly, a movable member, a chain guide, a biasing member, and a biasing member connection structure. The base member is mount...
05/05/2009
7442136Motorized bicycle derailleur assembly
A motorized bicycle front derailleur assembly is provided that includes a motor unit, a front derailleur and a motor linkage. The motor unit is configured to rotate an output shaft in first and second opposite rotational directions. The front derailleur includes a f...
10/28/2008
7438658Bicycle front derailleur
A bicycle front derailleur includes a chain guide that is provided with a pushing element that is movable relative to the chain guide to assist in shifting a bicycle chain from a smaller front sprocket to an adjacent larger sprocket. The chain guide is part of a mov...
10/21/2008
7396304Bicycle rear derailleur
A bicycle rear derailleur is provided that includes a base member, a movable member with a chain guide and a linkage mechanism. The linkage mechanism is coupled between the base member and a movable member to move the chain guide laterally. The base member is config...
07/08/2008
7361110Bicycle derailleur
A bicycle rear derailleur equipped with a base component, a link mechanism, a movable component, outer plate, inner plate, guide pulley, and tension pulley. The base component is mounted on the frame and one end of the link mechanism is mounted on the base component...
04/22/2008
7361109Bicycle gear set
A bicycle gear assembly has first and second sets of cog wheels, each having at least three cog wheels of various sizes including a largest cog wheel and a smallest cog wheel. These two sets are oriented so that the largest cog wheel of the first set is aligned with...
04/22/2008
7354362Rocker arm assembly for the rear derailleur of a bicycle
Rocker arm assembly for the rear derailleur of a bicycle, comprising an outer plate carrying a pivot pin, an inner plate and a pair of idle transmission wheels arranged between the outer plate and the inner plate. The inner plate is made of metallic material and the...
04/08/2008
7331890Motorized front derailleur mounting member
A motorized front derailleur mounting member is provided with a bicycle frame mounting portion, a front derailleur mounting portion, and a motor unit mounting portion. The bicycle frame mounting portion includes a front surface with a threaded hole configured and ar...
02/19/2008
7320655Bicycle derailleur with a misalignment inhibiting structure
A bicycle derailleur comprises a first base member structured to be detachably mounted to a bicycle frame, wherein the first base member has a first abutment; a second base member structured to be mounted to the first base member, wherein the second base member has ...
01/22/2008
7318784Bicycle derailleur
An apparatus for achieving the return of a chain to a rear derailleur tension pulley more easily by means of pedaling action when the chain falls off from the tension pulley is provided. The rear derailleur is equipped with a base component, a link mechanism, a mova...
01/15/2008
7299714Telescoping and locking lever arm
A telescoping lever arm comprises a tube and a rod. The tube has an opening at one end thereof and has an inner circumferential dimension along the inside thereof. The opening is smaller than the inner circumferential dimension of the tube. The rod has an outer circ...
11/27/2007
7300396Driving device for a centrifugal separator
In a centrifugal separator a centrifugal rotor is connected to a vertical spindle, which is supported by a frame and journalled in a first bearing and a second bearing. The centrifugal separator is drivable by an electric motor, the stator of the motor being fixed t...
11/27/2007
7291079Motorized front derailleur assembly with saver arrangement
A motorized bicycle front derailleur assembly is provided with an arrangement to protect the motor in the event the chain guide is stuck in one of the shift positions. The motorized bicycle front derailleur assembly has a motor unit, a front derailleur and a motor l...
11/06/2007
7290458Bicycle derailleur with a motor disposed within a linkage mechanism
A bicycle derailleur comprises a base member, a movable member for supporting a chain guide, a first link member pivotably coupled to the base member and to the movable member through respective first and second link pins, a second link member pivotably coupled to t...
11/06/2007
7285064Bicycle gear shifting control apparatus
A bicycle gear shifting control apparatus has a manually operated shift device, a first gear shifting operation executing component, and a second gear shifting operation executing component. The manually operated shift device operates a front derailleur to shift gea...
10/23/2007
7255660Actuator for a bicycle gear-shift
A bicycle gear-shift actuator having an articulated quadrilateral support with four connecting rods hinged together by four pin elements, and a motor member, having a variable length output shaft that travels along a drive axis between two opposite pin elements to m...
08/14/2007
1              
 
Sign InRegister
Username  
Password   
forgot password?