Patent ID: 6979066

Claim:
A rail assembly for furniture having a stationary track having an inner end; an outer end opposite to the inner end two side edges; and two longitudinal guides formed respectively at the side edges; an internal track slidably mounted on the stationary track; a sliding frame slidably mounted on the inner track and having an inner end corresponding to the inner end of the stationary rail; two protrusions formed on the sliding frame near the inner end; a latch tab formed on the sliding frame at a distance from the protrusions toward the outer end; and a guiding block mounted on the latch tab and having an inclined face facing the inner end; a latch bracket mounted inside the stationary track at the inner end and having an inner end corresponding to the inner end of the stationary rail; an outer end opposite to the inner end; a pair of rails extending from the latch bracket in parallel and each having a longitudinal guide slot defined in the rail and a transverse stop notch communicating with the longitudinal guide slot; a body formed on the inner end and having a top side; and a bottom side; and two keys formed respectively on the top side and the bottom side of the body and mounted respectively inside the longitudinal guides of the stationary track; and a resilient latch assembly slidably mounted inside the latch bracket and having a latch slidably mounted inside the latch bracket between the rails and having an inner end corresponding to the inner end of the stationary rail; an outer end opposite to the inner end; a front surface; a rear surface; two sides; a middle portion; two guide posts being respectively formed on one of the sides at the middle portion and slidably mounted inside the longitudinal guide slots; two locking posts being respectively formed on the same sides as the guide posts near the inner end and slidably mounted inside the longitudinal guide slots; a spring bracket formed on the rear surface of the latch at the middle portion with two notches; and a hook formed on the front surface at the outer end and engaging with the guiding block; and two springs being mounted between the latch and the body.