John P Thomsen

US Patent:

39543439, May 4, 1976

Filed:

Dec 24, 1974

Appl. No.:

5/536206

Inventors:

John Thomsen - River Vale NJ

International Classification:

B42F 304

US Classification:

402 41

Abstract:

The looseleaf binder ring assembly disclosed herein consists of a one-piece backbone formed of a resilient plastic material, which backbone has a plurality of pairs of cooperating fingers formed thereon. The fingers of each pair face one another and are movable between open and closed positions with respect to each other. A slidably mounted actuator bar is provided in the backbone and has cam surfaces formed thereon for respectively opening and closing the fingers when the slide bar is moved between first and second positions. The cam surfaces respectively hold their associated spring fingers in their opened or closed position in accordance with the position of the slide bar.

Address:

52 Heritage Ct, Randolph, NJ 07869

Phone:

9733283051

VIN:

2T1BR32E17C756154

Make:

TOYOTA

Model:

COROLLA

Year:

2007