Title: Multiple-point hinge for double-wall plastic box

Abstract: Hinge for two-part, double-wall plastic box. A spine-like projection extending along the rear of the base of the box terminates in hinge pins which fit into holes in the cover as in the prior art. In the novel box, the spine-like projection consists of two spaced spines, and another spine-like projection at the rear of the cover fits into the spacing between those spines to provide two additional hinge points.

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

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

Inventors: Weavers, Mark W. (Little Canada, MN, US)
Konkler, Anthony W. (Lakeland, MN, US)

Application Number: 047346
Filing Date: 1979-06-08
Publication_date: 1980-07-08
Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN)
Primary Class(es): 220/840 206/387.1
Other Classes:
US Patent Ref:

4005800	Feb, 1977	Schurmann	220/337.
4029234	Jun, 1977	Johnso, Jr. et al.	220/337.
4078657	Mar, 1978	Schurman	206/387.
4153178	May, 1979	Weavers	220/306.

Other Refs:
Primary Examiner: Hall, George T.
Assistant Examiner:
Attorney: