The crank fits on here and when you turn it, it makes it into a full sized double bed at night.
6 seconds sound clip from the Christmas in July (1944) classic radio play.
You can hear this line at 00:40:37 in the radio play.
Quote context
[...]
- Well, it looks like... it's...it's a davenport!
- What in the world are you all doing?
- We got something for you, Jimmy. It's a kind of davenport. Is this the kind your ma wanted?
- The crank fits on here and when you turn it, it makes it into a full sized double bed at night.
- The guy says it works swell!
- Oh, I don't know what you had to go get that for.
- Well, we kinda hoped it'd make up for that phony telegram we rigged up.
- It was supposed to be a gag, Jimmy, just a gag.
- It wasn't a very funny joke... we're sorry, Jimmy.
[...]