Collapsible stroller mechanism

A foldable stroller comprising:

• a first side frame member
• a second side frame member;
• a middle frame member;
• a sliding mechanism that slides along said middle frame member, the sliding mechanism comprising two separate parts, the two separate parts comprising an upper part and a lower part, the upper part of the sliding mechanism including a cavity and the lower part of the sliding mechanism includes a spring-biased tongue that extends into the cavity;
• a first cross frame member connecting said sliding mechanism to said first side frame member;
• a second cross frame member connecting said sliding mechanism to said second side frame member;
• a foot pedal that slides along said middle frame member and is connected to said sliding mechanism;
• and
• a third cross frame member connecting said first side frame member to said foot pedal and a fourth cross frame member connecting said second side frame members to said foot pedal.

A foldable stroller frame comprising:

• a first side frame member;
• a second side frame member;
• a middle frame member;
• a sliding mechanism that slides along said middle frame member;
• wherein the sliding mechanism has an upper portion and a lower portion, and wherein said lower portion has at least one spring-biased tongue that applies a biasing force to said upper portion;
• a first cross frame member connecting said upper portion of the sliding mechanism to said first side frame member;
• and
• a second cross frame member connecting said upper portion of the sliding mechanism to said second side frame member.