Movable projection screen hanger with steadfast clips

• US 6,336,616 B1
• Filed: 07/25/2000
• Issued: 01/08/2002
• Est. Priority Date: 11/18/1999
• Status: Expired due to Fees

• Current Assignee: Peace Ship International Enterprises Co., Ltd.
• Original Assignee: Peace Ship International Enterprises Co., Ltd.
• Inventors: Lin, Hsin-Fu
• Primary Examiner(s): Ramirez, Ramon O.
• Assistant Examiner(s): CHAN, KO HUNG
• Application Number:
  US09/624,971
• Time in Patent Office: 532 Days
• Field of Search: 248/231.41, 248/271, 248/286.1, 248/266, 248/267, 248/222.14, 248/222.11, 248/225.11, 248/225.21, 248/306, 359/450, 359/461, 359/443, 160/23.1, 160/17
• US Class Current: 248/222.11
• CPC Class Codes: G03B 21/58 collapsible, e.g. foldable; of variable area

Abstract

A movable projection screen hanger with steadfast clips is provided where the upper surface and inward side surface of the hanger are each respectively provided with a sliding rail. Each steadfast clip is secured to a preferred position on a wall. Each steadfast clip is composed by a main body and a pulling button. On the bottom end and near the central position of the inner side surface of the main body a hook block and a reinforcing block are respectively provided to respectively engage the sliding rail on the inward side surface of the hanger and to act as a stop against side surface of the hanger. A pair of catching flanges are formed on the bottom of the pulling button to engage the sliding rail on the upper surface of the hanger, so that each steadfast clip on a wall firmly secures the hanger.

Claims

1. A movable projection screen hanger comprising:

a hanger for securing a projection screen scroll, said hanger having a respective sliding rail formed on an upper surface and a rear side surface thereof, and a groove formed between each sliding rail and a respective surface of said hanger;

a pair of covers for respective coupling to opposing ends of said hanger to form closures therefore; and

,

at least a pair of steadfast clips for securement to a wall and engagement of said hanger, each steadfast clip including a main body, a pulling button, a spring and a screw, said main body having (a) a hook block formed on a bottom end thereof for engaging said sliding rail on said rear surface of said hanger, (b) a reinforcing block formed adjacent a central portion of a front surface of said main body for contacting said rear surface of said hanger and acting as a stop therefore, (c) a plurality of through holes formed in said main body for respective passage of wall engaging fasteners therethrough, (d) an inserting groove formed in an upper front portion of said main body, and (e) a threaded opening formed in a bottom portion of said inserting groove, said pulling button having a flange formed on a rear side thereof, and an elongated hole extending between a front side and said rear side of said pulling button and passing through said flange, said elongated hole having a frontal portion with a larger diameter than a rear portion thereof, said pulling button having a pair of catching flanges formed on a bottom portion thereof for engaging said sliding rail on said upper surface of said hanger when said flange is engaged in said inserting groove, said spring being disposed in said frontal portion of said elongated hole and said screw passing through said spring and elongated hole for threaded engagement with said threaded opening.