Melton Mowbray moved up to fourth and within eight points of second spot after securing their fourth straight win on Saturday.
The hosts won the toss and put Melton into bat on a dull, overcast day, and openers Gary Potter and Pete Humphries both fell cheaply against some excellent swing bowling.
Ben Redwood batted well at number three before falling immediately after reaching his 50, and John Taylor came to the wicket and hit a rapid 59, reaching his half-century off only 25 balls.
But when he fell, the Melton innings rapidly disintegrated to 178 all out in the 41st over, a disappointing score at least 50 short of what had seemed possible earlier in the innings.
Quorn’s openers put on 20 without loss in the first eight overs, but two tickets in three balls from Karl Tew, and two more from Redwood, aided by some excellent catching, left Quorn in peril at 30-4.
The fifth wicket partnership began to steady the innings until Scott Mooney came on and took a wicket with his third ball, a rank long-hop hit straight to Paul Stevenson at mid-wicket.
Poor fielding in the deep saw three chances dropped and allowed Quorn to reach their 100, but once Taylor had taken a second catch off Mooney’s bowling, Quorn were back in trouble.
Tew returned and took three quick wickets, including two in two balls, before Redwood removed the final batsman to bowl the hosts out for 135 and give Melton the full 30 points.
After losing their first three matches, Melton are now just eight points behind second-placed Newtown Linford and could leapfrog them when they visit the All England Sports Ground on Saturday.
Melton: G. Potter 7, P. Humphries 20, B. Redwood 50; Kreschemer 8, Taylor 59, Stevenson 6, S. Mooney 0, J. Tew 2, J. Culy 1*, K. Tew 12, C. Parker 0, Extras 13. Total: 178.
Bowling: K. Tew 12-5-22-5; J. Taylor 6-1-26-0; B. Redwood 6.4-2-14-3; G. Potter 3-0-22-0; S. Mooney 5-0-24-2; J. Culy 2-0-17-0.