Patent ID: 6158406
Filing Date: 2000-12-12
Classification: F02F

Abstract:
A quick release engine cylinder comprising:a) a hollow cylinder member, having walls defining an inner open cross-section, where the inner open cross-section is shaped to allow at least part of a piston to move therethrough, and having a first end and a second end, where the first end is adapted to sealingly engage a cylinder head;b) a support member having first and second ends and an interior open cross-section shaped to allow at least part of the cylinder member to move therethrough;c) means for holding the support member in a predetermined relationship to the cylinder head; andd) means for mating the second end of the cylinder member and the first end of the support member so that the second end of the cylinder member can not pass through the first end of the support member when the cylinder member is at a first selected orientation relative to the support member, and so that the second end of the cylinder member can pass through the first end of the support member when the cylinder member is at a second selected orientation relative to the support member,wherein the means for mating comprises a plurality of ears mounted with the second end of the cylinder member and extending radially away from the cylinder member's inner cross-section, and a plurality of slots in the first end of the support member, where the ears can pass through the slots when the ears and slots are in register.