Straight up the only person I look at had a stretch last season where he got 8 in a game then 8 then 10, 6, 8. 3 out of 5 and he still averaged 8.0 per game.
http://www.buzzerbeater.com/player/11815867/careerstats.a... This is the only guy that I looked at, so imagine what all the players of all time could have done. The only reason no one can give you a link is because this particular record is meticulous and therefore disregarded.
Also,
(33292457)Getting a hundred rebounds is way less likely and the record is 61.