Title: Spring clasp

Abstract: Over-center closure apparatus comprising an elongate element configured to define a central region having a first length; first and second intermediate regions arranged in a first plane having respective third and fourth lengths and being angularly disposed with respect to the central region; and first and second end regions adapted to be rotatably secured to a member and forming respective first and second vertices with the outer ends of the first and second intermediate regions and having respective fourth and fifth lengths and being disposed at an acute angle with respect to the axis joining said first and second vertices.

Do you think this is a good invention? Vote now:

Votes so far: For:(0) Against:(0)
Other info:

Inventors: Popper, Jakhin B. (Kyriat Motzkin, IL, US)

Application Number: 911179
Filing Date: 1978-05-31
Publication_date: 1980-07-08
Assignee: Popper Engineering Ltd. (Kyriat Motzkin, IL)
Primary Class(es): 292/259R 292/DIG30
Other Classes:
US Patent Ref:

485011	Oct, 1892	Kneeland	292/259.
725276	Apr, 1903	McMenimen	292/259.
2559681	Jul, 1951	Senseman	292/DIG.
2715540	Aug, 1955	Potter	292/241.
2752200	Jun, 1956	Santarelli	292/259.

Other Refs:
Primary Examiner: Moore, Richard E.
Assistant Examiner:
Attorney: Browdy and Neimark