| 摘要 |
An improved head assembly for a towing device for use in connecting to an aircraft to tow the same, said assembly including a body having a central operating opening therethrough and a communicating downwardly opening recess for hooked-up engagement with the towing bracket of an aircraft and wherein a cam is swingably carried in the operating chamber with a portion adapted for rotation into and out of closing relation of the downwardly facing recess to captivate a towing bracket of an aircraft.
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