Telescopic drawer slide with soft sequencing latch

A - Human Necessities – 47 – B

Patent

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Details

A47B 88/10 (2006.01)

Patent

CA 2280886

A sequencing latch adapted for use with drawer slides. The sequencing latch comprises a latch arm (51) carried by a slide member (26), a spring arm (63) extending from the latch arm in compressive contact with the slide member biasing the latch arm into engagement with a locking element (77) on a second slide member (41) and an actuator (91) on a third slide member (11) for disengaging the latch arm. The actuator disengages the latch arm by applying a force to the latch arm with a component oppositely directed and of sufficient magnitude to overcome the compressive spring force. Interaction of the locking element with the latching arm and the interaction of the actuator with the latching arm may both serve as frictional interfaces during slide operation.

L'invention concerne un système de blocage séquentiel s'utilisant avec des glissières. Ce système de blocage séquentiel comporte un bras de blocage (51) porté par un élément à glissière (26), un bras élastique (63) s'étendant depuis le bras de blocage en contact de compression avec l'élément à glissière amenant le bras de blocage en prise avec un élément de verrouillage (77) sur un deuxième élément à glissière (41), et un actionneur (91) sur un troisième élément à glissière (11) pour dégager le bras de blocage. Cet actionneur dégage le bras de blocage en lui appliquant une force présentant une composante de sens contraire et d'amplitude suffisante pour surmonter la force élastique de compression. L'interaction de l'élément de verrouillage avec le bras de blocage et l'interaction de l'actionneur avec ce dernier peuvent faire office d'interfaces de frottement lors du fonctionnement des glissières.

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