摘要:
The following technical measure is taken to provide a bicycle speed change system or method wherein a speed change operation can be performed substantially without unhanding a handlebar and without erroneously shifting to a lower or higher speed.Specifically, the bicycle speed change system (1) comprises a front speed shifter (1a), a rear speed shifter (1b), and speed change operation assemblies respectively including cylindrical operation members (4a, 4b) rotatably supported around right and left grip portions (3a, 3b), respectively, of a handlebar (2); each of the shifters being operated by a control cable (T) which is pulled or released by rotating a corresponding one of the cylindrical operation members, wherein each of the cylindrical operation members (4a, 4b) is designed so that rotation thereof in a direction of moving its top surface rearward causes a corresponding one of the shifters (1a, 1b) to shift to a lower speed position.
摘要:
The following technical measure is taken to provide a bicycle speed change system or method wherein a speed change operation can be performed substantially without unhanding a handlebar and without erroneously shifting to a lower or higher speed.Specifically, the bicycle speed change system (1) comprises a front speed shifter (1a), a rear speed shifter (1b), and speed change operation assemblies respectively including cylindrical operation members (4a, 4b) rotatably supported around right and left grip portions (3a, 3b), respectively, of a handlebar (2); each of the shifters being operated by a control cable (T) which is pulled or released by rotating a corresponding one of the cylindrical operation members, wherein each of the cylindrical operation members (4a, 4b) is designed so that rotation thereof in a direction of moving its top surface rearward causes a corresponding one of the shifters (1a, 1b) to shift to a lower speed position.
摘要:
A cover for covering an opening of a container for a food stuff includes a substantially flat cover body including at least one aperture and at least one substantially flat flap. The at least one flap includes a linear proximal end configured to connect with the cover body and allow the at least one flap to rotate with respect to the cover body. A lower surface of the at least one flap includes a protrusion configured to close the at least one aperture when the at least one flap is at a first position in which the at least one flap is in parallel with the cover body. The cover body and the at least one flap are integrally formed by a co-injection molding. The container and cover are suitable for heating a food stuff in a microwave.
摘要:
The present invention provides a bicycle multiple chainwheel to be mounted on a pedalling crank assembly. The chainwheel, which is held in driving engagement with a chain, comprises a larger sprocket and at least one smaller sprocket coaxial with the larger sprocket. When shifting the chain from the larger sprocket to the smaller sprocket, the chain normally starts disengaging from the larger sprocket at one of specific circumferential positions thereof. In view of this, the larger sprocket is made to have local chain guide portions only at those positions necessary for preventing the thus disengaged chain from being trapped in an axial gap between the larger and smaller sprockets.
摘要:
A support structure for a bicycle saddle comprising a first seat post mountable to a seat pipe of a bicycle frame, and a second seat post for supporting the saddle. The first seat post is provided at the upper end thereof with a post support portion having a mounting bore which extends obliquely upwardly and forwardly of the bicycle. The second seat post is slidably fitted in the mounting bore and held at an adjusted position relative thereto by a lock mechanism which is operable by the cyclist during riding.
摘要:
A transmission for a bicycle for re-installing a chain in the lateral direction of the bicycle in a front chain wheel having two or more sheets of gear plates, comprising two sheets of guards, i.e., a main guard for re-installing the chain from a middle diameter gear to a large diameter gear and an auxiliary guard for re-installing the chain from a small diameter gear to the middle diameter gear, wherein the main guard is pivotally supported on a link mechanism for moving the guard in the lateral direction of the bicycle and the auxiliary guard is installed on the main guard so as to be elastically displaced.
摘要:
A bicycle comprises a front speed shifter having a plurality of speed stages, a rear speed shifter having at least three speed stages, a front speed change operation assembly 1A connected to the front speed shifter, and a rear speed change operation assembly 1B connected to the rear speed shifter. There are a plurality of designated groups of combinations for combining the speed stages of the front speed shifter with the speed stages of the rear speed shifter, and indication means 50a through 50c, 51a through 51c, and 59B for identifying each of these groups are provided for each of the front speed change operation assembly 1A and the rear speed change operation assembly 1B.
摘要:
A multiple freewheel for a bicycle comprises a set of diametrically different sprockets axially fitted onto a sprocket ring or carrier which is rotatably supported on an inner ring via a one-way clutch. The sprocket set is preassembled by retainer pins each of which has an enlarged head engaging with an axially innermost sprocket of the set and penetrates through the set to project out from an axially outermost sprocket of the set in press-fit engagement therewith. A nut member is screwed on the sprocket ring to press the pin tip out of press-fit engagement with the outermost sprocket.
摘要:
A resin lid for a container body with an opening in an upper part, including a body part that closes the opening and has an air hole, and a flap that includes a base, a hinge on a first end of the base, and a projection provided on a second end side of the base and fitted in the air hole. The flap is swingable around the hinge between a first position in which the projection fits in the air hole and a second position in which the air hole is open. The body part and flap are integrally formed. When the flap travels from the second to the first position, a tip of the projection comes into contact with a circumferential edge of the opening of the air hole on a side opposite the hinge, and the projection fits in the air hole as the flap elastically deforms.
摘要:
A speed change operation assembly is provided which requires only a small mounting space and is unlikely to interfere with a brake lever assembly and the like even if mounted near a grip portion of a handlebar. The speed change operation assembly (1) comprises an annular lever mount (5) fixedly fitted on a handlebar (2), and a generally C-shaped lever member (6) elastically fitted on the lever mount for pivotal operation about an axis of the handlebar. The lever mount is integrally formed, on its outer circumference, with a sheath stopper portion (11) for attachment to an end of an outer sheath (w2) of a speed control cable (W) which additionally includes an inner wire (w]) inserted in the outer sheath. On the other hand, the lever member is integrally formed, on its outer circumference, with a wire stopper portion (14) for attachment to an end of the inner wire extending beyond the end of the outer sheath as well as with operating arm portions (15a, 5b) for engagement with the fingers of a rider.