Patent ID: 6285416
Filing Date: 2001-09-04
Classification: G02B

Abstract:
A projection television lens assembly, comprising:a focus mount;a lens cell having a longitudinal axis and a plurality of optical lens units mounted therein, said lens cell being telescopically mounted within said focus mount;a spacer interposed between said lens cell and said focus mount, said spacer lying along a transverse axis relative to said longitudinal axis and being coupled to said lens cell such that, (i) when said spacer undergoes a rotational force about said transverse axis, a longitudinal force is not exerted on said lens cell and (ii) said spacer may be moved radially along said transverse axis without exerting a radial force on said lens cell; anda fastener coupled to said spacer, said fastener operative to move said spacer radially for locking a focus position of said projection television lens assembly.