| 摘要 |
A unitary cylinder (31) useful in internal combustion engines having external threads (41) at one end for a connection with the engine; the cylinder providing internal bearing support to an associated piston mounted internally thereof and external bearing support (60) to a cam actuated saddle (30) embracing the cylinder's exterior. Elongated openings (38) in opposing walls of the cylinder accommodate passage of a transverse wrist pin connection (33) between the internal piston (32) and external saddle (30).
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