Back to results
US 5,175,918 AGranted
Portable container with pivotable closure and method of manufacture thereof
OwnerGary Christopherinventor
Life of this patent
Estimating the term…
Abstract
A panel-like lid is secured to a receptacle by a pintle for pivotal movement between a closed position and an open position about an axis whereby the lid remains horizontal at all times. In the closed position, a continuous groove in the underside of the lid matingly receives a bead upstanding from the upper edge of the sidewall of the receptacle. A compression spring encircling the pintle normally urges the lid downwardly against the receptacle. In response to movement from the closed position toward the open position, the lid is cammed upwardly to disengage the groove from the bead.
Claims6
A method of manufacturing a container, comprising the steps of:
- a) providing a receptacle including an upstanding sidewall having an upper edge defining an open end;
- b) forming a lid from plastic;
- c) pivotally affixing said lid to said receptacle for rotational movement from a closed position to an open position;
- d) forming an element of a male/female engagement pair continuously along the upper edge of said sidewall;
- e) forming a complemental element of said male/female engagement pair on said lid for mating with said element to create a seal;
- f) providing biasing means for retaining said element in engagement with said complemental element when said lid is in said closed position;
- and
- g) providing cam means opposing said biasing means for disengaging said element from said complemental element.
5 more elements
Dependencies are inferred from the claim text.