Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
397 words
A sight-glass adapter unit comprising; a main body member of tubular shape, a central opening extending longitudinally of the main body member and opening to each end thereof, one end of the opening for alignment with the end of a sight glass, means associated with this end of the main body for retaining in liquid tight manner the end of a sight glass fastened to this end portion, the other end of the main body member having a removable closure means associated therewith, and additional means for connecting the main body member to a valve on a vessel on which the sight glass is to be used, the means associated with the end of the sight glass for retention thereof including a threaded projection on the one end of the main body member, a flexible and resilient sealing member engageable around the tip of the sight glass, and a removable nut with a central aperture just slightly larger than the circumference of the sight glass and threaded for tightening on the threaded projection of the main body member for compressing the resilient seal member to form a liquid tight seal, the removable closure means for the other end of the main body member consisting of a threaded plug member with wrench engaging projection thereon for reception in a threaded aperture in the main body member, the additional means for connecting the main body member to an existing valve consisting of an elongated secondary body member separate from the main body member and having a threaded projection at one end thereof for reception in a threaded side aperture in the main body member and permitting attachment and removal of the main body member to the valve with the liquid tight seal of the sight glass intact, a central aperture extending through the secondary body member for permitting liquid flow therethrough, a valve engaging projection on the other end of the secondary body member, a retaining collar provided thereon, sealing means provided thereon, and a retaining nut for association with the collar and the existing valve to retain the secondary body member in liquid tight engagement with the valve, the retaining nut being spaced from the main body member and the secondary body member having provided thereon a wrench engaging slot disposed between the nut and main body member for facilitating mounting and removal of the secondary body member.
Claim 2
Dependent Claim
397 words
A sight-glass adapter unit comprising; a main body member of tubular shape, a central opening extending longitudinally of the main body member and opening to each end thereof, one end of the opening for alignment with the end of a sight glass, means associated with this end of the main body for retaining in liquid tight manner the end of a sight glass fastened to this end portion, the other end of the main body member having a removable closure means associated therewith, and additional means for connecting the main body member to a valve on a vessel on which the sight glass is to be used, the means associated with the end of the sight glass for retention thereof including a threaded projection on the one end of the main body member, a flexible and resilient sealing member engageable around the tip of the sight glass, and a removable nut with a central aperture just slightly larger than the circumference of the sight glass and threaded for tightening on the threaded projection of the main body member for compressing the resilient seal member to form a liquid tight seal, the removable closure means for the other end of the main body member consisting of a threaded plug member with wrench engaging projection thereon for reception in a threaded aperture in the main body member, the additional means for connecting the main body member to an existing valve consisting of an elongated secondary body member separate from the main body member and having a threaded projection at one end thereof for reception in a threaded side aperture in the main body member and permitting attachment and removal of the main body member to the valve with the liquid tight seal of the sight glass intact, a central aperture extending through the secondary body member for permitting liquid flow therethrough, a valve engaging projection on the other end of the secondary body member, a retaining collar provided thereon, sealing means provided thereon, and a retaining nut for association with the collar and the existing valve to retain the secondary body member in liquid tight engagement with the valve, the retaining nut being spaced from the main body member and the secondary body member having provided thereon a wrench engaging slot disposed between the nut and main body member for facilitating mounting and removal of the secondary body member.