Patent ID: 7743711

Claim:
A tramway comprising: a rope extending between a first terminal and a second terminal, said rope being movable at a first velocity; at least one carrier being connectable to said rope; a track located in said first terminal, wherein said track comprises a first drive sheave operable at a first velocity and a second drive sheave operable at a second velocity; a disengagement mechanism to release said at least one carrier from said rope, wherein a portion of said at least one carrier is contactable with said first drive sheave when said at least one carrier is released from said rope; said first drive sheave and said second drive sheave comprising: a tire portion; said tire portion comprising an inner circumferential surface and an outer circumferential surface; said tire portion comprising a first surface extending between said inner circumferential surface and said outer circumferential surface; said tire portion comprising a second surface extending between said inner circumferential surface and said outer circumferential surface, said second surface being oppositely disposed relative to said first surface; at least one opening in said tire portion extending through said first surface and said second surface.