“What’s a three-season bed?”/“One without a spring.”

A joke was printed in The Christian Science Monitor in September 1926 and widely reprinted in newspapers:
     
“Out in the country where I spent my vacation they gave me one of those three-season beds.”
“Never heard of them.”
“No spring.”

   
“What’s a three-season bed? One without a spring” was posted on Reddit—Cleanjokes on November 2, 2021.
   
   
Newspapers.com
30 September 1926, Kansas City (MO) Star, pg. 17, col. 2:
The Bunk.
From the Christian Science Monitor.
“Out in the country where I spent my vacation they gave me one of those three-season beds.”
 
“Never heard of them.”
 
“No spring.”
           
Google Books
June 1962, Boys’ Life, “Think and Grin,” pg. 74, col. 1:
Jake: What kind of bed is a three season bed?
Jane: I don’t know.
Jake: One without a spring. — Edward Loy, Winchester, Va.
   
Google Books
The Gigantic Joke Book
By Joseph Rosenbloom
New York, NY: Sterling Publishing Company, Inc.
1978
Pg. 196:
Pitter: I have a three-season bed.
Pat: What is a three-season bed?
Pitter: One without a spring.
 
Google Groups: rec.humor
Canonical List Of Language Expressions Humor 3/4
Stuffed Turkey
Nov 23, 1993, 8:51:49 AM
(...)
What’s a three-season bed? One without a spring.
 
Google Groups: rec.humor
Canonical List Of Language Humor 4/5
Nuke The Unborn Gay Baby Whales For God
Apr 12, 1994, 8:23:59 AM
(...)
What’s a three-season bed? One without a spring.
     
Twitter
Hourly Facts
@factstorm
What’s a three-season bed? A bed witho…-  What’s a three-season bed? A bed without a spring. http://bit.ly/ROkFW
3:22 AM · Jun 24, 2009·Twitter Web Client
   
Twitter
CelerityTweets
@CelerityTweets
What’s a three-season bed? A bed without a spring. LOL! 😊
2:43 PM · Jul 23, 2009·Twitter Web Client
 
Reddit—Cleanjokes
Posted by u/SheldonE65 November 2, 2021
What’s a three-season bed?
One without a spring.