Portable screen assembly

Details Portable screen assembly Portable screen assembly

G - Physics

03

B

G03B 21/58 (2006.01)

Patent

CA 2280357

A portable screen assembly includes a spring-biased roll rotatably mounted to a lower casing, and a screen rotatably mounted at one end thereof to a top bar. The screen is set to a desired height by adjusting a repulsive force for a descent of the screen, and are upward biasing force of a height retaining device engaged with an expansion device against gravity and an elastic force of a spring attached to the spring-biased roll.

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