Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
249 words
A projection type television set having a main body, a projecting tube accommodated by said main body, a screen attached to said main body and a mirror box including a mirror, said mirror box being pivotally mounted on said main body for a rotation around an axis between a closed position and an opened position, said mirror being adapted, when said mirror box is in the opened position, to reflect the light coming from said projecting tube and project the light onto said screen, so as to display an image on said screen, characterized by comprising at least one control rod for controlling said rotation of said mirror box between said closed position and said opened position, said control rod including a tubular body, a spring seat movably received by said tubular body, a pair of coiled spring disposed in said tubular body and at respective sides of said spring seat, stoppers attached to respective ends of said tubular body and adapted to be abutted by the outer ends of respective springs, a pair of diametrically opposing elongated slots formed in the wall of said tubular body, at a portion of the latter corresponding to said spring seat, a shaft fixed to said spring seat and projected outwardly of said tubular body through said elongated slots and secured to said main body and another shaft disposed at one end of said tubular body and extending perpendicularly to said tubular body, said another shaft being secured to said mirror box.
Claim 2
Dependent Claim
249 words
A projection type television set having a main body, a projecting tube accommodated by said main body, a screen attached to said main body and a mirror box including a mirror, said mirror box being pivotally mounted on said main body for a rotation around an axis between a closed position and an opened position, said mirror being adapted, when said mirror box is in the opened position, to reflect the light coming from said projecting tube and project the light onto said screen, so as to display an image on said screen, characterized by comprising at least one control rod for controlling said rotation of said mirror box between said closed position and said opened position, said control rod including a tubular body, a spring seat movably received by said tubular body, a pair of coiled spring disposed in said tubular body and at respective sides of said spring seat, stoppers attached to respective ends of said tubular body and adapted to be abutted by the outer ends of respective springs, a pair of diametrically opposing elongated slots formed in the wall of said tubular body, at a portion of the latter corresponding to said spring seat, a shaft fixed to said spring seat and projected outwardly of said tubular body through said elongated slots and secured to said main body and another shaft disposed at one end of said tubular body and extending perpendicularly to said tubular body, said another shaft being secured to said mirror box.
Claim 3
Dependent Claim
125 words
A projection type television set as claimed in claim 1, characterized by further comprising a ring attached to the end of said control rod closer to said mirror box, a bolt screwed into said ring such that said bolt partly project out of said tubular body and partly received by said tubular body, a sliding body constituted by one of said stoppers and engaged by the inner end of said bolt, and another pair of diametrically opposing elongated slots formed in the wall of said tubular body at the portion of the latter corresponding to the position of said sliding body, said another shaft disposed at one end of said tubular body extending through said another pair of elongated slots and through said sliding body.