One-time-use camera with fracture line of weakness non-coinciden

Details One-time-use camera with fracture line of weakness non-coinciden One-time-use camera with fracture line of weakness non-coinciden

2000-03-27

2000-11-21

Lee, Eddie C.

Photography

Disposable or recyclable camera

396535, 396536, G03B 1702

Patent

active

061514497

ABSTRACT:
An opaque rear cover part for a one-time-use camera comprising a door cover portion and a remaining cover portion arranged to permit the door cover portion to be pivoted open relative to the remaining cover portion about a pivot axis, and a fracture line of weakness formed between the door cover portion and the remaining cover portion to create a break along the fracture line of weakness which permits the door cover portion to be separated from the remaining cover portion when the door cover portion is pivoted open, is characterized in that the fracture line of weakness is entirely not coincident with the pivot axis and is angled with respect to the pivot axis in order to effect a shearing stress in addition to a bending stress at the fracture line of weakness which causes the door cover portion to separate from the remaining cover portion when the door cover portion is pivoted open.

REFERENCES:
patent: 3800999 (1974-04-01), Serritella
patent: 5063400 (1991-11-01), Takei et al.
patent: 5126775 (1992-06-01), Nakai et al.
patent: 5359168 (1994-10-01), Cunningham
patent: 5517270 (1996-05-01), Balling
patent: 5761542 (1998-06-01), Lamphron et al.
patent: 5815740 (1998-09-01), Wagner
patent: 5918076 (1999-06-01), Solomon et al.
patent: 6035127 (2000-03-01), Takaba et al.

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