Round back spring binder

Details Round back spring binder Round back spring binder

1977-08-22

1978-09-19

Jaudon, Henry S.

Buckles, buttons, clasps, etc.

Paper fastener

Resiliently biased

B42F 100

Patent

active

041142403

ABSTRACT:
A round back spring binder having spring clamp elements formed with intersecting end portions which have to be spread apart in order to assemble the spring clamp elements into the binder, thereby pre-loading the back of the binder with an initial spring bias. When spread apart, the end portions of the spring clamp elements are angled toward a common line which is centered with respect to the back of the binder.

REFERENCES:
patent: 307817 (1884-11-01), Tapley
patent: 475425 (1892-05-01), Vawter et al.
patent: 841823 (1907-01-01), Storrs
patent: 1741909 (1929-12-01), Belohlavek

Affiliated with

Also associated with

Rating

Round back spring binder does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Round back spring binder, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Round back spring binder will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2111201