초록 ▼

A brake assembly for a stroller includes left and right braking mechanisms, a connecting member, and left and right operating members interconnected to each other through the connecting member so as to move in opposite directions when operated. Each of the left and right braking mechanisms includes

A brake assembly for a stroller includes left and right braking mechanisms, a connecting member, and left and right operating members interconnected to each other through the connecting member so as to move in opposite directions when operated. Each of the left and right braking mechanisms includes a first engaging member, and a second engaging member movable between a locking position, in which the second engaging member engages the first engaging member, and an unlocking position, in which the second engaging member is disengaged from the first engaging member. Each of the left and right operating members defines a cam face which is in sliding contact with the second engaging member so as to drive the second engaging member to move to the locking position when the left operating member is operated, and so as to drive the second engaging member to move to the unlocking position when the right operating member is operated.

대표청구항 ▼

I claim: 1. A brake assembly for a stroller, the stroller including a stroller frame and left and right wheels, each of which is connected to the stroller frame through an axle, said brake assembly comprising: left and right braking mechanisms engageable respectively with the left and right wheels

I claim: 1. A brake assembly for a stroller, the stroller including a stroller frame and left and right wheels, each of which is connected to the stroller frame through an axle, said brake assembly comprising: left and right braking mechanisms engageable respectively with the left and right wheels for braking the left and right wheels; a connecting member; and left and right operating members to be disposed respectively adjacent to the left and right wheels, adapted to be mounted movably on the stroller frame, and interconnected to each other through said connecting member so as to be movable in opposite directions relative to the stroller frame when operated, said left and right braking mechanisms being adapted to engage respectively and simultaneously the left and right wheels when one of said left and right operating members is operated, said left and right braking mechanisms being adapted to disengage respectively and simultaneously the left and right wheels when the other of said left and right operating members is operated; wherein each of said left and right braking mechanisms includes a first engaging member adapted to be provided on the respective one of the left and right wheels, and a second engaging member adapted to be mounted movably on the stroller frame and movable relative to the stroller frame between a locking position, in which said second engaging member engages said first engaging member, and an unlocking position, in which said second engaging member is disengaged from said first engaging member; and wherein each of said left and right operating members denies a cam face for driving said second engaging member of the respective one of said left and right braking mechanisms to slide on said cam face between said locking and unlocking positions when the respective one of said left and right operating members is operated. 2. The brake assembly of claim 1, further comprising left and right guiding members adapted to be secured to the stroller frame, each of said left and right guiding members defining a sliding space therein and being formed with two opposite guiding slots which are in spatial communication with said sliding space, each of said left and right operating members including an elongated sliding piece that is slidably inserted into said sliding space in a respective one of said left and right guiding members and that is formed with a cam-defining slot defined by said cam face, said second engaging member including an engaging pin that extends through said guiding slots and said cam-defining slot so as to be driven by said earn face upon movement of said sliding piece. 3. The brake assembly of claim 2, wherein said first engaging member of each of said left and right braking mechanisms further includes a retaining gear that is adapted to be secured to the respective one of the left and tight wheels and that defines a plurality of angularly disposed retaining grooves disposed to extend radially relative to the axle, said engaging pin engaging a selected one of said retaining grooves when said left operating member is operated, said engaging pin disengaging the selected one of said retaining grooves when said right operating member is operated. 4. The brake assembly of claim 2, wherein said connecting member includes a cable that has two opposite ends connected respectively to said sliding pieces of said left and right operating members, and that is tensioned between said opposite ends so as to permit said sliding piece of one of said left and tight operating members to be moved in an opposite direction opposite to said sliding piece of the other of said left and right operating members when either one of said left and right operating members is operated. 5. The brake assembly of claim 3, wherein each of said retaining grooves in said retaining gear extends in a radial direction relative to the axle, said guiding slots in each of said left and right guiding members extending in said radial direction so as to permit said engaging pin to be moved in said radial direction by said earn face when one of said left and right operating members is operated, said sliding piece of each of said left and right operating members being guided by the respective one of said left and right guiding members to move in a transverse direction relative to said radial direction. 6. The brake assembly of claim 5, wherein said connecting member includes a cable that has two opposite ends connected respectively to said sliding pieces of said left and right operating members, and that is tensioned between said opposite ends so as to permit said sliding piece of one of said left and right operating members to be moved in an opposite direction opposite to said sliding piece of the other of said left and right operating members when either one of said left and right operating members is operated. 7. The brake assembly of claim 2, further comprising a retaining unit that is mounted securely on said left and right guiding members for retaining said engaging pin at a desired position. 8. The brake assembly of claim 7, wherein said retaining unit includes a retainer mounted securely in each of said guiding slots in each of said left and right guiding members, said retainer defining a pin-retaining slot having two opposite end sections and a neck sect ion extending between and reduced in cross-section from said end sections, said engaging pin extending slidingly and fittingly through said pin-retaining slot, said neck section of said pin-retaining slot having a cross-section less than that of said engaging pin so us to retain said engaging pin in a selected one of said opposite end sections of said pin-retaining slot, said retainer being elastically deformable so as to permit squeezing of said engaging pin there through from one of said opposite, end sections of said pin-retaining slot to the other of said end sections of said pin-retaining slot. 9. The brake assembly of claim 7, wherein each of said left and right guiding members includes a housing that defines said sliding space and that has an inner wall, said retaining unit having retainers, each of which includes a boss formed on and protrudes from said sliding piece of a respective one of said left and right operating members, and upper and lower recesses that are formed in said inner wall of said housing of a respective one of said left and right guiding members, said boss engaging a selected one of said upper and lower recesses so as to retain releasably said sliding piece at a desired position. 10. A brake assembly for a stroller comprising a left wheel set having a first engaging member and a right wheel set having a first engaging member; a left braking mechanism coupled to the left wheel set and a right braking mechanism coupled to the right wheel set; a connecting member mechanically coupled to both the left braking mechanism and the right braking mechanism for operatively moving one of the left and the right braking mechanisms when the other one of the left and the right braking mechanisms is moved; the left and right braking mechanisms comprising, respectively: a left guiding member housing and a right guiding member housing each comprising a guide slot comprising a guide slot face positioned along a first plane; a left sliding piece and a right sliding piece each comprising a cam defining slot having a cam slot face positioned along a second plane and located, at least in part, within the left guiding member housing and the right guiding member housing defining a left braking sub-assembly and a right braking sub-assembly, receptively, and wherein the guide slot and the cam defining slot of both the left and right braking mechanisms are in communication with one another and the first plane and the second plane are at an angle to one another, and wherein a left second engaging member and a right second engaging member arc both moveable by least one of the left sliding piece and the right sliding piece, and wherein the two second engaging members slide along the guide slot face and the cam slot face of the two braking sub-assemblies when any one of the left sliding piece and the right sliding piece is moved.