摘要:
A saw, such as a chop saw, a miter saw, a sliding saw, a compound miter saw, etc. In some constructions, the saw may include a miter adjustment assembly including a coarse adjustment assembly and a fine adjustment assembly. In some constructions, the saw may include a bevel adjustment assembly including a brake mechanism and a bevel detent assembly. In some constructions, the saw may include a dust collection assembly including a dust chute defining a dust both around the bevel arm. In some constructions, the saw may include a table having a top wall with a peripheral rim and a side wall depending from the top wall, and a base defining an opening in which the side wall is received and a ledge above which the rim is positioned. In some constructions, the saw may include elastomeric material covering a portion of the base, such as a bottom surface, a lateral surface, a grip surface, etc.
摘要:
A visible light transmissive card includes a security indicia that fluoresces under UV light. The card also includes at least one IR filter. The IR filter and/or another card layer that is substantially coextensive with a front card surface includes a component that also fluoresces under UV light. A UV blocking material is disposed between the security indicia and the UV-excitable component of the IR filter or other layer, so that the security indicia is clearly visible when the card is exposed to UV light. In some embodiments the UV blocking material is patterned to define (in combination with the fluorescing IR filter or another coextensive card layer) a secondary security indicia, which may be used in addition to or in place of the original security indicia. IR filter laminates used in the construction of such cards are also disclosed.
摘要:
A multilayer film article is disclosed. The multilayer film article includes an infrared light reflecting multilayer film having alternating layers of a first polymer type and a second polymer type, an infrared light absorbing nanoparticle layer including a plurality of metal oxide nanoparticles dispersed in a cured polymeric binder and having a thickness in a range from 1 to 20 micrometers. The nanoparticle layer being disposed adjacent the multilayer film. The metal oxide nanoparticles include tin oxide or doped tin oxide.
摘要:
A rotary hammer and a power tool. The rotary hammer is operable in an idle mode and a hammer mode and comprises a housing and a barrel positioned in the housing and having a forward portion. A ram is positioned within the barrel and is movable relative to the barrel between hammering positions and an idle position. In some aspects, a ram catcher assembly is positioned along the axis adjacent the forward portion of the barrel to releasably hold the ram in the idle position. The ram catcher assembly includes a friction member frictionally engageable with the ram and a damping member at least partially surrounding the friction member. As the ram moves to the idle position with a force, the damping member absorbs at least a portion of the force and the member applies friction to the ram.
摘要:
An optical film is provided which comprises a disperse phase of polymeric particles disposed within a continuous birefringent matrix. The film is oriented, typically by stretching, in one or more directions. The size and shape of the disperse phase particles, the volume fraction of the disperse phase, the film thickness, and the amount of orientation are chosen to attain a desired degree of diffuse reflection and total transmission of electromagnetic radiation of a desired wavelength in the resulting film.
摘要:
A method for manufacturing a chip housing includes a first basis having a photolithograpically structurable layer on a main face, structured into a cover. A chip has the structure at a main face between first contact elements. A second photolithograpically structurable layer applied to the main face is structured forming a recess surrounded by a wall near the structure exposing the first contact elements. Then, the first basis and the chip are merged with the structure and the cover facing and aligned with each other, and the recess closed by the cover. Removing the first basis leads to an on-chip cavity. Afterwards, a second basis and the chip are merged with the first contact elements connected to the second basis via a conductive structure. Afterwards, the second basis is removed for exposing the conductive structure. The method is less subject to cost and size limitations of known housing technologies.
摘要:
An illumination system including a light source, a light guide including an output surface, emissive material positioned to receive light from the output surface of the light guide, and an interference reflector positioned such that the emissive material is between the output surface of the light guide and the interference reflector is disclosed. The light source emits light having a first optical characteristic. The emissive material emits light having a second optical characteristic when illuminated with light having the first optical characteristic. The interference reflector substantially transmits light having the second optical characteristic and substantially reflects light having the first optical characteristic.
摘要:
A housing for holding electrical and/or electronic components with a housing opening and with an entry fitting which is rotationally located in the housing opening, the entry fitting having a cylindrical holding part in which an annular groove is formed, and being held by a fastener in the housing. In the housing, the entry fitting can be securely attached to the housing with simple means and installation of the entry fitting, with the housing otherwise closed, is possible in that, for axially securing the entry fitting in the housing opening, there is an open plastic snap ring which is provided with a feed bevel which is guided in the annular groove, and which, in the installed state of the entry fitting, is locked at least partially in a groove in the housing opening.
摘要:
A head-up display includes a projection system and a window having a target area where a reflective polarizer is positioned to reflect light from the projection system to a viewing area. Light from the projection system is p-polarized and strikes exposed window surface(s) at an acute angle to reduce or eliminate multiple or “ghost” images. The acute angle is closely matched to a Brewster angle of the exposed window surface(s). The reflective polarizer includes a multilayer stack with refractive indices of individual layers chosen to reflect p-polarized light substantially more than s-polarized light over a wide angular range that includes the acute angle. The reflective polarizer also can reflect infrared light to reduce cabin heating from solar radiation.
摘要:
New constructions of multilayer optical films, laminates thereof, and cards incorporating same are disclosed. In a card, the multilayer optical film can be sandwiched between relatively thick polymer layers using adhesive layers that are at least 0.5 mils thick but that may collectively account for no more than 3 mils of thickness. The cards can if desired be highly transmissive in the visible yet highly opaque in portions of the infrared. The resulting cards can have reduced angel hair formation during card stamping, increased resistance to delamination, and reduced haze.