A screen printer effects a printing by moving a squeegee in contact with a screen to force a printing paste through a printing pattern formed on the screen. The squeegee is held by a squeegee head. The squeegee head includes a support member for supporting the squeegee in such a manner as to move the squeegee upward and downward, and at least one moving member which swingably supports the support member and is movable together with the support member. When the squeegee is to be exchanged, only t...

A combination beach umbrella and screen apparatus includes a flexible screen which is detachably affixed around the perimeter of the shade portion, or covering, of the umbrealla. The screen extends downward from the covering along the entire periphery thereof, thereby forming a screened in closure that may effectively be employed at the beach or other outdoor areas to provide shade, additionally, provide protection from annoying pestering insects, and adverse inclemental weather.

A quick release clip molded of either aluminum or plastic for mounting on a window or door frame for securing a screen. Six such clips are equally spaced around the frame for latching cooperation with the screen. The clip is formed of a base secured to the frame by a press-fitting or a screw, a lever pivoted to one edge of the base and a clamp pivoted to a surface of the lever. Integral male and female cooperating snap parts on the lever and the base, respectively, secure the clip in latching po...

A screen system 8 suitable for use in a vibratory screen apparatus 1, comprising: a screen element 11 consisting essentially of a mesh panel 19 provided with first and second elongate support members 22, 23 extending along opposite end portions 20, 21; and a support frame 12 therefore. The support frame 12 has spaced apart first and second elongate frame elements 13, 14 for engagement with said screen element support members 22, 23 and further elongate frame elements 17, 18 extending between the...

The centrifuge has truncated-cone-like separating screen arranged in support basket and held in the bottom thereof by lower flange. Lower flange has notched surface which penetrates into screen. The screen and the basket both have an annular upper edge and an upper flange which is attached to the upper edge of the basket and covers the upper edge of the screen. Finally, the screen is formed by a number of segments attached in pairs by a joint with a T-shaped section.

A penetration screen is disclosed which comprises a substantially planar substrate with, at least, one electrical circuit disposed thereon. The electrical circuit is configured such that, at least, one section of the circuit is electrically isolatable from the remainder of the circuit without causing a fault condition in said remainder of the circuit.

A combination screen. The combination screen can be configured to provide both light diffusion functionality and light redirection functionality.

A computer screen for a personal computer according to the present invention includes a main screen, one or more retractable sub-displays, and one or more retractable arms. The main screen has a main display and a docking space disposed behind the main display. The retractable sub-displays are adapted to be pushed in into and pulled out from the docking space of the main screen. The retractable arms, disposed in the docking space of the main display, are for holding the retractable sub-displays,...

A papermaking screen, especially for the sheet forming zone, has one paper side and one machine side with a first type of transverse yarns of the paper side and a second type of transverse yarns (25 to 40) of the machine side. The transverse yarns are woven with at least one type of longitudinal yarns (41 to 56). The longitudinal yarns (41 to 56) on the machine side within the machine-side pattern repeat bind two respective transverse yarns of the second type (25, 28; 31, 34; 37, 40). The divisi...

A screen deck runner assembly (20) suitable for use in a vibratory screening machine characterized by the assembly including a saddle member (5), being configured and 420 dimensioned to removably straddle a screen deck runner (1) and to engage a screen panel (3).