Patent ID: 6927972

Claim:
A concealed type hook structure comprising: a base member, said base member having a top face, at least one working slot and at least one locating block thereof; a portable computer, said portable computer comprising at least one hooking hole corresponding to said at least one working slot of said base member, and at least one locating hole corresponding to said at least one locating block of said base member; and at least one hook assembly mounted in said at least one working slot of said base member for hooking in said at least one hooking hole of said portable computer to lock said portable computer to said base member; wherein each of said hook assembly comprises: a hook holder, said hook holder comprising a first coupling portion and a second coupling portion; a swivel hook, said swivel hook comprising an operating portion disposed at one end thereof, a hook portion disposed at an opposite end thereof and adapted to hook said hooking hole of said portable computer, and a coupling device pivoted to said first coupling portion of said hook holder; a pressure plate, said pressure plate comprising a press block protruded upwardly thereof, an operating portion disposed at one end thereof and pressed on the operating portion of said swivel hook, and a coupling device disposed at an opposite end thereof and pivoted to said second coupling portion of said hook holder; and a spring member, said spring member mounted in said hook holder and coupled between said pressure plate and said hook holder to keep said press block of the pressure plate higher than the top face of said base member; when placed said portable computer on the top face of said base member, the at least one locating block of said base member is engaged into the at least one locating hole of said portable computer, and the press block of said pressure plate is depressed by the weight of said portable computer to bias said swivel hook, thereby causing said hook portion of said swivel hook to rotate upwardly and hook in said corresponding hooking hole of said portable computer.