摘要:
A folding ladder is configured for installation in an opening to provide access between one floor or space and another floor or space. The folding ladder includes, in one aspect, an upper ladder section having a left ladder rail and a right ladder rail, a lower ladder section having a left ladder rail and a right ladder rail, a hinge rotatably connecting the upper ladder section ladder rails to the lower ladder section ladder rails, and a plurality of steps rotatably disposed between the upper and lower ladder rails. The plurality of steps are configured for rotation between a retracted position and a deployed position. At least one step disposed between the upper ladder rails and at least one step disposed between the lower ladder rails are linked by at least one linkage member so that each of the noted steps rotates between a retracted position and a deployed position upon rotational movement of the upper ladder section relative to the lower ladder section between a closed position and an open position.
摘要:
A hinge for a folding ladder including a hinge latch movable between a locked position and an unlocked position disposed within a hinge latch cavity. The hinge latch includes a first locking portion protruding therefrom, an elongated slot formed configured to slidingly receive a hinge shaft, a first opening configured to receive a first biasing member, and a second opening configured to receive a locking member. Rotational movement of one hinge casing relative to another hinge casing is prevented by engagement of the first locking portion and locking member with a respective one of the first opening and second opening.
摘要:
The silicon-reinforced stent is a specially designed stent structured and arranged with a silicon coating over the metal stent structure to maintain a firmer and longer lasting stent. The silicon may be similar to Vaseline and may also prevent plaque from further accumulating in the vein. Additionally, the silicon coating will help prevent the edges of the metal structure from collapsing, thereby ensuring that if the stent moves or comes out, the movement will cause less damage.
摘要:
A stackable cooking vessel arrangement for microwave ovens wherein the arrangement comprises a plurality of plate members suspended at multiple tiers by leg support members within the cooking cavity of microwave ovens.
摘要:
The common cold is caused by a virus. Antiviral compounds that kill viruses would then be most likely to serve as a remedy for the common cold. This invention seeks to offer a unique use of an antiviral agent, ethanol (with or without additional homeopathic and/or herb ingredients) through the unique topical application of a mouthwash to a sore throat that is often the first symptom of a common cold. The sore throat is caused by the virus setting up to enter the body after which a cascade of immune response symptoms will occur. Current cold remedies do nothing but treat these immune response symptoms. This invention is unique in that it destroys the virus directly, blocking the cold virus at its point of entry, and the remaining cold symptoms never appear. It does not matter how many cold viruses exist, because the antiviral nature of ethanol kills viruses upon contact. This is the first time that treatment of a sore-throat with antiviral agents (ethanol with or without additional homeopathic and/or herb ingredients) is being used to effectively block the common cold. Research testing this common cold remedy have shown it to be effective in 18 out of 20 case studies, and a double-blind, placebo controlled clinical trial is being conducted.
摘要:
Provided herein are, inter alia, methods and compositions including T cells expressing (i) a recombinant CAR protein which includes a peptide binding site and is capable of specifically binding cancer-specific antigens and (ii) a T cell receptor specific for a viral antigen (e.g., a CMV pp65 protein). The engineered T cells provided herein may be used in combination with a viral vaccine (e.g. cytomegalovirus (CMV) Triplex Vaccine) to treat a variety of cancers. The methods described herein also permit in viva expansion of CMV-specific CAR T cells, instead of or in addition to ex vivo expansion, avoiding excessive T cell exhaustion that results in some cases from ex vivo manufacturing.
摘要:
A stowable or foldable ladder is configured for installation in an opening between one floor or space and another floor or space. An upper ladder section includes a left ladder rail and a right ladder rail, a lower ladder section having a left ladder rail and a right ladder rail, a hinge rotatably connecting the upper ladder section left ladder rail to the lower ladder section left ladder rail and rotatably connecting the upper ladder section right ladder rail to the lower ladder section right ladder rail, and a plurality of steps rotatably disposed between the upper pair of ladder rails and the lower pair of ladder rails. The steps are configured for rotation between a retracted position and a deployed position.
摘要:
A support frame for a folding ladder, a folding ladder positioning system, and a method for installing a folding ladder, are disclosed and pertain to folding ladders disposable within an opening, such as openings in a ceiling of a house, to provide temporary access between one floor or space and another floor or space. In one aspect, a support frame includes a plurality of separable support frame plates collectively configured to circumscribe the opening and a plurality of connection sites are disposed at opposing ends of each of the plurality of separable support frame plates to facilitate connection of each support frame plate to adjacent support frame plates. The connection sites include, for example, mating locking connectors or a plurality of matching through-holes, which permit insertion of a fastening means therethrough.