Patent ID: 7566039
Filing Date: 2009-07-28
Classification: A47B,Y10S

Abstract:
1. A movable support tray apparatus for a computer keyboard comprising: a sliding member, which further comprises a sliding seat, a sliding plate and a fixing plate, wherein said sliding plate is inserted with a sliding rail at two lateral sides thereof respectively and being movably received in said fixing plate and said sliding seat is attached to the bottom of said sliding plate; a lift member, which further comprises a upper connecting box section, a lower connecting box section, a pair of retarding wheels and a lock part, wherein an end of said upper connecting box section and an end of said lower connecting box section are pivotally connected to an end of two lateral sides of said sliding seat respectively and another end of said upper connecting box section is pivotally connected to said lock part and said retarding wheels; and a tray member providing a tray plate, which is pivotally connected to said another end of said upper connecting box section with said lock part; wherein, said sliding seat is capable of sliding in said fixing plate to move said upper and lower connecting box sections upward and downward such that said upper and lower connecting box sections are capable of rotating with respect to said sliding seat pivotally and said tray plate is capable of moving upward and downward.