Shopping cart brake

A shopping cart brake comprising:

• a shopping cart, wherein said shopping cart comprises a basket having opposing ends, a plurality of hollow vertical members having opposing ends and a middle with said middle attached to one end of said basket, a lower storage area having opposing ends with one end connected to one end of said vertical members, a hollow horizontal member having opposing ends with said opposing ends connected to said end of said vertical members, a handle having opposing ends with said opposing ends connected to said opposing end of said vertical members, a plurality of front wheels connected to said opposing end of said lower storage, and a plurality of rear wheels connected to said end of said vertical members;
• a plurality of calipers releasably frictionally engaged with said rear wheels;
• a plurality of brake cables having opposing ends with one end connected to said calipers, wherein said brake cables are enclosed by one of said vertical members and one of said brake cables is enclosed by said horizontal member;
• a brake lever having opposing ends with one end connected to said opposing end of said brake cables;
• a brake lever housing, wherein said opposing end of said brake cables is inserted through said brake lever housing;
• a single clamp having opposing ends with one end connected to only one of said opposing ends of said handle, wherein said end of said brake lever is pivotably attached to said opposing end of said clamp;
• a slot, wherein said brake lever housing defines said slot;
• a locking button hole, wherein said brake lever housing defines said locking button hole;
• a locking button having opposing ends with one end inserted through said slot;
• a locking tab having opposing ends, a top, a bottom, and a middle with said top of said middle connected to said opposing end of said locking button and one of said ends releasably frictionally engaged with said brake lever;
• and
• a spring having opposing ends with one end connected to said bottom of said middle of said locking tab and said opposing end connected to said brake lever housing.

In combination with a shopping cart, including a plurality of vertical members having opposing ends, a handle having opposing ends, and a plurality of rear wheels, the improvement which comprises:

• a plurality of brake pads releasably frictionally engaged with said rear wheels;
• a plurality of calipers removably attached to said brake pads;
• a plurality of brake cables having opposing ends with one end connected to said calipers;
• a brake lever having opposing ends with one end connected to said opposing end of said brake cables;
• a brake lever housing, wherein said opposing end of said brake cables is inserted through said brake lever housing;
• and
• a single clamp having opposing ends with one end connected to only one of said opposing ends of said handle, wherein said end of said brake lever is pivotably attached to said opposing end of said clamp;
• a slot, wherein said brake lever housing defines said slot;
• a locking button hole, wherein said brake lever housing defines said locking button hole;
• a locking button having opposing ends with one end inserted through said slot;
• a locking tab having opposing ends, a top, a bottom, and a middle with said top of said middle connected to said opposing end of said locking button and one of said ends releasably frictionally engaged with said brake lever;
• and
• a spring having opposing ends with one end connected to said bottom of said middle of said locking tab and said opposing end connected to said brake lever housing.