No, he was not squashed by a falling safe or run over by an Acme Indestructo Steel Ball. Jones created the Road Runner and Coyote cartons. Rules from that series:

• “No dialogue ever, except ‘beep beep.”
• “No outside force can harm the Coyote — only his own ineptitude or the failure of the Acme products.”
• “The Coyote is always more humiliated than harmed by his failures.”

—Animator Chuck Jones Dies

Obituary, Guardian