In embodiments herein a latch apparatus comprises a striker plate and a latch. The latch comprises a pin that is positioned to contact the inclined surface of the striker plate as the latch moves over the striker plate. The latch also comprises a roller that is positioned to roll over a lip of the striker plate as the latch moves over the striker plate. In addition, an arm is operatively connected to the roller. The arm pivots when the roller moves. The pin locks the arm and prevents the roller from moving when the pin is in the lowered position and the pin allows the arm to pivot and allows the roller to move when the pin is in the raised position.