Chicago Quadrill Co. makes a multi-chuck head for drill presses. The patent for this product was applied for in 1944 and granted in 1949. Chicago Drillet Corp. introduced the Quadrill four-position drilling head in Nov. 1944. By 1948 they were manufacturing the Quadrill and Quad-Tapper, a four-position combined drilling and tapping head, and a drill press speed changer. Chicago Quadrill Co. was founded on 30 Jun 1960.
Carl Grunschel Sr. is the President of the company.
The company address is
1840 Busse Highway
Des Plaines
IL 60016-6793
Phone: (847) 824-4196
Information Sources
- A manual for the Quadrill head may be found here.
- An owwm.org forum discussion provides photos and other information on this company's products.
- American Machinist, Vol. 88, No. 24, Nov. 23, 1944, Pg. 142.
- American Machinist, Vol. 89, No. 7, Mar. 29, 1945, Pg. 204.
- New Equipment Digest, Vol. 13, No. 3, Mar. 1948, Pg. 41.