Latching mechanism
First Claim
Patent Images
1. A container closable through an upper flap of stiff sheet material which overlies an under portion of the container;
- the upper flap latching with the under portion through a latching mechanism;
the latching mechanism comprising;
a projecting catch on the under portion to engage an aperture in the upper flap;
the projecting catch being formed by an embossed tongue of the under portion rising from a root to an upper edge of an arcuate slit in the lower portion concave towards the roof of the embossed tongue;
the aperture having a shape selected from a gibbosity and a segment of a circle, the upper flap being biassed to slide over the under portion to engage a leading edge of the aperture under said upper edge of the arcuate slit, and the upper flap being slidable over the under portion against bias to disengage said leading edge of the aperture under said upper edge of the arcuate slit.
0 Assignments
0 Petitions
Accused Products
Abstract
A latching mechanism is provided for a container such as a card wallet, folder, small box, small carton, etc. having a closure flap or lid overlying another panel of the container. The container is formed of stiff sheet material such as card stock. Interengaging parts of the latching mechanism are an embossed catch rising from a slit in an under panel and a debossed, stamped out, tongue to engage in the slit in the overlying flap.
-
Citations
11 Claims
-
1. A container closable through an upper flap of stiff sheet material which overlies an under portion of the container;
- the upper flap latching with the under portion through a latching mechanism;
the latching mechanism comprising;
a projecting catch on the under portion to engage an aperture in the upper flap;
the projecting catch being formed by an embossed tongue of the under portion rising from a root to an upper edge of an arcuate slit in the lower portion concave towards the roof of the embossed tongue;
the aperture having a shape selected from a gibbosity and a segment of a circle, the upper flap being biassed to slide over the under portion to engage a leading edge of the aperture under said upper edge of the arcuate slit, and the upper flap being slidable over the under portion against bias to disengage said leading edge of the aperture under said upper edge of the arcuate slit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
the lever being formed by a short uncoined portion of said proximal edge and a cut out portion of said adjoining side panel, the cut out portion connecting ends of the uncoined portion.
- the upper flap latching with the under portion through a latching mechanism;
-
11. A container as claimed in claim 2 in which the aperture is a gibbosity of which the leading edge is less curved than the trailing edge.
Specification