A foldable crate includes a base platform, a pair of longitudinal sidewalls forming a hinged connection with the base platform and a pair of flanking sidewalls forming a hinged connection with the base platform. The flanking sidewalls accommodate a locking mechanism, which includes an actuator, a tr
A foldable crate includes a base platform, a pair of longitudinal sidewalls forming a hinged connection with the base platform and a pair of flanking sidewalls forming a hinged connection with the base platform. The flanking sidewalls accommodate a locking mechanism, which includes an actuator, a transmission mechanism and a pair of locking elements, threaded into channels at the top portion of the flanking sidewalls.
대표청구항▼
1. A foldable crate comprises: (a) a base platform, said base platform comprising: (I) a pair of longitudinal portions;(II) a pair of flanking portions;(III) at least one structural element, disposed adjacently to said longitudinal portions of said base platform;(IV) at least one structural element,
1. A foldable crate comprises: (a) a base platform, said base platform comprising: (I) a pair of longitudinal portions;(II) a pair of flanking portions;(III) at least one structural element, disposed adjacently to said longitudinal portions of said base platform;(IV) at least one structural element, disposed adjacently to said flanking portions of said base platform;(b) a pair of longitudinal sidewalls, each one of said longitudinal sidewalls comprises at least one structural element, configured to form a hinged connection with said at least one structural element, disposed adjacently to said longitudinal portion of said base platform;(c) a pair of flanking sidewalls, each one of said flanking sidewalls comprises: (I) at least one structural element, configured to form a hinged connection with said at least one structural element, disposed adjacently to said flanking portion of said base platform;(II) a tab, configured to serve as a gripping handle;(III) a structured centric recess, essentially surrounding said tab, configured to accommodate a locking mechanism;(IV) a pair of channels at a top portion of said flanking sidewall;(d) a pair of locking mechanisms disposed inside flanking sidewalls, each of said locking mechanisms comprises: (I) an actuator, each one of said actuators is slidable inside said structured centric recess of flanking said sidewalls and comprises: (i) a pair of sinusoidally shaped driving extensions, wherein said sinusoidally shaped driving extensions embody a shape of an essentially complete sinusoidal cycle, and wherein said sinusoidally shaped driving extensions extend from said actuator at an orientation essentially exceeding a 45 degree angle;(ii) a pair of connectors furnishing terminal portions of said sinusoidally shaped driving extensions; wherein said connectors are connectable to said sinusoidally shaped driving extensions at an orientation essentially preceding a 45 degree angle;(iii) a tab essentially congruent to said tab of said flanking sidewall;(II) a pair of locking elements, threaded into said channels at said top portion of said flanking sidewalls; wherein said locking elements are operationally connectable to said connectors, furnishing said terminal portions of said sinusoidally shaped driving extensions;wherein said sinusoidally shaped driving extensions, which embody a shape of an essentially complete sinusoidal cycle, are positioned horizontally, in the direction of translation of said locking elements,wherein upon forceful elevation of said actuator in an upward direction, said sinusoidally shaped driving extensions are compressed and extended in lengths, whereby said locking elements are retracted into said channels, allowing folding said crate;wherein upon release of said forceful elevation, said sinusoidally shaped driving extensions are released and contracted in lengths and said locking elements are consequently protracted from said channels in said flanking sidewalls, into said longitudinal sidewalls; thereby locking said crate assembled. 2. The crate as in claim 1, wherein said actuator comprises side ridges positioned along the sides thereof and wherein said side ridges of said actuator are inserted into grooves in said structured centric recess and slidable therein. 3. The crate as in claim 1, wherein said longitudinal sidewalls further comprise flanking extensions, extending essentially perpendicularly and outwardly, along a substantial length of vertical edges of said longitudinal sidewalls, and wherein said flanking sidewalls further comprising side recesses, extending essentially inwardly, along a substantial length of vertical edges of said flanking sidewalls. 4. The crate as in claim 3, wherein said flanking extensions, of said longitudinal sidewalls, terminate at some distance from a bottom portion of said longitudinal sidewalls; thereby forming rectangular recesses towards said bottom portion of said flanking extensions, wherein said side recesses, of said flanking sidewalls, terminate at some distance from a bottom portion of said flanking sidewalls; thereby forming rectangular protrusions towards said bottom portion of said side recesses. 5. The crate as in claim 1, wherein said tab in said actuator is congruent to said tab in said flanking sidewall, only when said actuator is in released position. 6. The crate as in claim 1, wherein said channels comprise substantially a width as said locking elements; thereby sustaining merely lateral displacement of said locking elements within the former. 7. The crate as in claim 1 wherein said locking elements are furnished with pins, which are inserted into said connectors, furnishing said terminal portions of said sinusoidally shaped driving extensions.
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Escarpa Gil, Julián, Fastening device for folding boxes.
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