Back to results
US 8,941,917 B2Granted
Tensioned projection screen
AssigneeDraper, Inc.
InventorSteven E. Enochs
Life of this patent
Estimating the term…
Abstract
A projection screen apparatus having a perimeter frame and a substantially blank screen is provided.
Claims23
A projection screen apparatus comprising:
- a perimeter frame including a plurality of subassemblies, a first subassembly including a male end and a female end, the male end of the first subassembly being coupled to a female end of a second subassembly, the female end of the first subassembly being coupled to a male end of a third subassembly, the first subassembly including a corner member extending along two sides of the perimeter frame, the corner member including a first post and a second post each permanently coupled to the corner member at the male end of the first subassembly;
- a substantially blank projection screen tensioned on the perimeter frame;
- and
- a coupler positioned to couple the screen to the perimeter frame.
1 more element
A projection screen apparatus comprising:
- a perimeter frame including a plurality of subassemblies;
- a substantially blank projection screen tensioned on the perimeter frame;
- a plurality of couplers, each coupler being positioned to couple a corresponding subassembly to an adjacent subassembly, each coupler including a threaded portion and a knob portion, the threaded portion being configured to engage the adjacent subassembly;
- a leg configured to support the perimeter frame in an upright position;
- and
- a leg coupler positioned to couple the leg to a subassembly of the perimeter frame.
3 more elements
A projection screen apparatus comprising:
- a perimeter frame including a plurality of subassemblies, a male end of a first subassembly being coupled to a female end of a second subassembly, the first and second subassemblies having a longitudinal axis, a plane between the first and second subassemblies being perpendicular to the longitudinal axis, the first subassembly including a first fastener and a second fastener each coupled to the second subassembly and each extending through the plane, the first fastener being a different type than the second fastener;
- a substantially blank projection screen tensioned on the perimeter frame;
- and
- a coupler positioned to couple the screen to the perimeter frame.
1 more element
Dependencies are inferred from the claim text.