What does the cryptic crossword clue "It’s used for lifting things without tipping? (4,6)" mean?

The definition is "It’s used for lifting things". The wordplay uses a cryptic definition. Cryptic definition The answer is DUMBWAITER.

It’s used for lifting things without tipping? (4,6)

Guardian Cryptic #29095 | 24 Across | 2023-06-13 flower