A hinge pin lock for a molded plastic container includes a locking tab molded with an upper rim of the container and connected to the upper rim by a living hinge. The locking tab is pivotable from an open position to a locked position. A channel is formed in the upper rim and is sized to receive a h
A hinge pin lock for a molded plastic container includes a locking tab molded with an upper rim of the container and connected to the upper rim by a living hinge. The locking tab is pivotable from an open position to a locked position. A channel is formed in the upper rim and is sized to receive a hinge pin of a container lid. The channel includes engagement structure that secures the locking tab in the locked position.
대표청구항▼
1. A hinge pin lock for a molded plastic container, the hinge pin lock comprising: a locking tab molded with an upper rim of the container and connected to the upper rim by a living hinge, the locking tab being pivotable from an open position to a locked position; anda channel formed in the upper ri
1. A hinge pin lock for a molded plastic container, the hinge pin lock comprising: a locking tab molded with an upper rim of the container and connected to the upper rim by a living hinge, the locking tab being pivotable from an open position to a locked position; anda channel formed in the upper rim, the channel having an upwardly facing opening and being sized to receive a hinge pin of a container lid, wherein the locking tab in the open position is pivotable by the living hinge to a position substantially perpendicular to the upward facing opening of the channel such that the channel can receive the locking tab and the hinge pin, the channel including engagement structure that secures the locking tab in the locked position. 2. A hinge pin lock according to claim 1, wherein the locking tab comprises at least one hook that engages the engagement structure in the locked position. 3. A hinge pin lock according to claim 2, wherein the locking tab comprises two hooks on opposite sides thereof, the hooks engaging the engagement structure in the locked position. 4. A hinge pin lock according to claim 3, wherein the hooks comprise a reverse tapered surface and a shelf, and wherein the engagement structure comprises shoulders corresponding to each shelf of the hooks, the shelf of each hook engaging a corresponding one of the shoulders in the locked position. 5. A hinge pin lock according to claim 1, wherein an inside surface of the locking tab comprises a curved recess that is shaped to accommodate the hinge pin. 6. A hinge pin lock according to claim 5, wherein the channel defines a curved pocket that is shaped to accommodate the hinge, the curved recess and the curved pocket defining a substantially cylindrical cage for the hinge pin. 7. A container comprising: a container body including an upper rim;a container lid pivotably secured to the upper rim via a hinge pin; anda hinge pin lock formed in the upper rim of the container body and securing the hinge pin, the hinge pin lock including:a locking tab molded with the upper rim and connected to the upper rim by a living hinge, the locking tab being pivotable from an open position to a locked position, anda lock channel formed in the upper rim, the lock channel being sized to receive the hinge pin of the container lid, the lock channel including engagement structure that secures the locking tab in the locked position,wherein the container lid comprises a plurality of integral hinge pins, and wherein the upper rim comprises a plurality of pin channels, the integral hinge pins being secured in the pin channels,wherein the locking tab comprises two hooks on opposite sides thereof, the hooks engaging the engagement structure in the locked position, wherein the hooks comprise a reverse tapered surface and a shelf, and wherein the engagement structure comprises shoulders corresponding to each shelf of the hooks, the shelf of each hook engaging a corresponding one of the shoulders in the locked position. 8. A container according to claim 7, wherein the container body comprises two long sides and two short sides, and wherein the pin channels are positioned along the long sides, the container comprising four hinge pin locks spaced along each of the long sides. 9. A container according to claim 7, wherein the pin channels are constructed such that the hinge pins are secured in the pin channels in a snap fit. 10. A container according to claim 7, wherein an inside surface of the locking tab comprises a curved recess that is shaped to accommodate the hinge pin. 11. A container according to claim 10, wherein the channel defines a curved pocket that is shaped to accommodate the hinge, the curved recess and the curved pocket defining a substantially cylindrical cage for the hinge pin. 12. A method of making a plastic container comprising: (a) molding a container body including an upper rim; and(b) molding a container lid pivotably securable to the upper rim via an integrally molded hinge pin,wherein step (a) comprises integrally molding a hinge pin lock in the upper rim by:molding a locking tab with the upper rim and connecting the locking tab to the upper rim by a living hinge, the locking tab being pivotable from an open position to a locked position, andmolding a lock channel in the upper rim with an upwardly facing opening to receive the hinge pin of the container lid, wherein in the open position, the locking tab is pivotable by the living hinge to a position substantially perpendicular to the upward facing opening of the channel such that the channel can receive the locking tab and the hinge pin, wherein molding the lock channel comprises molding engagement structure with the lock channel that is shaped to secure the locking tab in the locked position. 13. A method according to claim 12, wherein step (b) comprises molding the container lid with a plurality of hinge pins, and wherein step (a) comprises forming a plurality of pin channels in the upper rim, the method further comprising assembling the plastic container by: securing the hinge pins of the container lid in the pin channels of the container body;securing at least one of the hinge pins in the lock channel with the locking tab in the open position; andpivoting the locking tab from the open position to the locked position to lock the at least one of the hinge pins in the lock channel.
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이 특허에 인용된 특허 (41)
Furtner Josef,ATX, Articulation arrangement for detachably connecting two wall parts.
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