Abstract: This invention relates to a latch for selectively binding lower and upper portions of a container. The latch includes a base having a front face, a rear face, a connected end, and a selectively engageable binding end. The rear face further includes an upward hook, a downward hook, and a binding tooth. The latch is characterized in that the upward hook and the downward hook are configured to engage the lower portion of the container and permit both axial and pivotal movement of latch. The axial movement is between an upward position and a low profile position The pivotal movement is about the connected end such that binding end can move between a disengaged and an engaged position.

Abstract: An oil filter wrench having a base, a main gear, a plurality of claws each having a gear portion and an arm configured to engage an oil filter. The gear portions are rotatably disposed within the base and configured to engage the main gear such that when the main gear rotates; the arms correspondingly extend or contract relative to the base. The oil filter wrench also includes a main spring. The main spring is disposed within a cavity defined by the main gear. The main spring is configured to selectively bias the main gear toward rotation in either a first direction or a second direction opposite to the first direction. The oil filter wrench is characterised in that it also includes a switching mechanism a switching mechanism. The switching mechanism is configured to selectively toggle between a first position and a second position. In the first position, the switching mechanism engages a first tine of the main spring such that the main gear is biased to rotate in the first direction.

Abstract: An adjustable sander having a body and a flexible base. The flexible base includes a first end and a second end spaced apart from one another. The first end and second end are each pivotally attached to the body. The flexible base is configured to move between a concave configuration, a neutral configuration, and a convex configuration relative to the body. The adjustable sander further includes a removable sanding surface affixed to a surface of the flexible base that is distal from the body. The adjustable sander also includes a locking mechanism configured to selectively hold the flexible base in a desired concave, neutral or convex configuration. The locking mechanism is characterized in that it includes an axial having a head and a shaft having a series of shaft notches.

Abstract: The present invention relates to a container. More specifically, it relates to a container having a lower portion with a bottom and a plurality of walls defining an interior space. The container also includes a cover attached to one of the walls via a hinge and configured to move between a closed position and a fully open position, wherein in said closed position, access to the interior space is prohibited, and in said fully open position, access to the interior space is permitted and the cover is at an angle (?) of greater than or equal to 90 degrees with respect to the lower portion.

Abstract: A storage container including a plurality of drawers for holding items therewithin. Each drawer may be held closed within the container by selective rotation of a detent mechanism which interacts with engagement means formed on each drawer. When the detent mechanism is in its open position, each drawer may be freely opened or closed. Whereas, when the detent mechanism is in its closed position, each drawer may be moved from an open to a closed position, but not from a closed to an open position.

Abstract: An oil filter wrench having a base, a main gear, a plurality of claws each having a gear portion and an arm configured to engage an oil filter. The gear portions are rotatably disposed within the base and configured to engage the main gear such that when the main gear rotates; the arms correspondingly extend or contract relative to the base. The oil filter wrench also includes a main spring. The main spring is disposed within a cavity defined by the main gear. The main spring is configured to selectively bias the main gear toward rotation in either a first direction or a second direction opposite to the first direction. The oil filter wrench is characterised in that it also includes a switching mechanism a switching mechanism. The switching mechanism is configured to selectively toggle between a first position and a second position. In the first position, the switching mechanism engages a first tine of the main spring such that the main gear is biased to rotate in the first direction.

Abstract: A wrench support rack including a base, and at least one clamp assembly attached to the base and comprising a vertical stop spaced apart from a push member. The space in between the vertical stop and the push member forms a groove configured to receive a stem of a wrench. The vertical stop includes an upper ridge portion configured to engage a stem of a wrench and limit vertical movement of a wrench disposed in the groove. The push member includes an inward protrusion configured to press a stem of a wrench in to the vertical stop and limit horizontal movement of a wrench disposed in the groove.

Abstract: A wrench extension device having an input and output, operably coupled together to transmit torque there between. The wrench extension device further includes a housing, with a first and second gear disposed therein. The first and second gear are operably coupled to one another with a chain. The wrench extension device further includes a rib disposed between the first and second gear. The rib includes a tapered portion that, along with an interior wall of the housing defines a tapered space. A tapered space defined by the tapered portion of the rib and the interior wall of the housing; wherein said tapered space is wide enough to allow a chain link to pass both horizontally and vertically, and wherein the area of said tapered space is large enough accommodate at least one additional chain links when the chain is slack as opposed to when it is taut.

Abstract: A wrench support rack including a base, and at least one clamp assembly attached to the base and comprising a vertical stop spaced apart from a push member. The space in between the vertical stop and the push member forms a groove configured to receive a stem of a wrench. The vertical stop includes an upper ridge portion configured to engage a stem of a wrench and limit vertical movement of a wrench disposed in the groove. The push member includes an inward protrusion configured to press a stem of a wrench in to the vertical stop and limit horizontal movement of a wrench disposed in the groove.

Abstract: A projection lens configured to form an image from an image source which is disposed at an object side is provided. The projection lens includes a lens group and an aspheric mirror. The lens group has a first optical axis, and an intermediate image is formed by the lens group from the image source. The aspheric mirror has a second optical axis and an aspheric surface. The lens group is disposed between the object side and the aspheric mirror. The aspheric surface faces the lens group and reflects the intermediate image to form the image at an image side. The first optical axis is not coaxial with the second optical axis, and an offset of the image relative to the first optical axis is larger than or equal to 100%.

Abstract: A projection lens configured to form an image from an image source which is disposed at an object side is provided. The projection lens includes a lens group and an aspheric mirror. The lens group has a first optical axis, and an intermediate image is formed by the lens group from the image source. The aspheric mirror has a second optical axis and an aspheric surface. The lens group is disposed between the object side and the aspheric mirror. The aspheric surface faces the lens group and reflects the intermediate image to form the image at an image side. The first optical axis is not coaxial with the second optical axis, and an offset of the image relative to the first optical axis is larger than or equal to 100%.

Abstract: An optical engine for a projection display device includes a housing, a light source module, an imaging unit, and a projecting mechanism. The housing includes a base wall and a surrounding wall cooperating with the base wall for defining a receiving space with an opening. The light source module is disposed at a side of the housing for providing an illuminating light beam into the receiving space. The imaging unit is disposed in the receiving space, and includes a display element and an optical lens set. The projecting mechanism includes a lens barrel having first and second barrel ends, a projecting lens disposed at the second barrel end, and a coupling element formed on an outer surface of the lens barrel adjacent to the first barrel end. The coupling element is configured to have a size and shape corresponding to those of the opening, and is disposed to cover the opening and to seal the receiving space.

Abstract: A beam combiner for combining a first color beam, a second color beam, and a third color beam is provided. The beam combiner has a transparent substrate with a first optical surface on which a first reflective film reflecting the first color beam is disposed, and a second optical surface on which a second reflective film reflecting the second color beam is disposed. The first optical surface and the second optical surface are parallel. The second color beam entering the transparent substrate is reflected by the second reflective film and leaves the transparent substrate by passing through the first optical surface, while the third color beam enters the transparent substrate from the second optical surface and leaves the transparent substrate by passing through the first optical surface. The optical paths of the first, the second, and the third color beam are substantially coincident after emerging from the first optical surface.

Abstract: A projector apparatus includes a light source for producing light beams, a micromirror device including an array of micromirrors for modulating and reflecting the light beams into image light beams, and a projection lens unit for magnifying and projecting the image light beams. The projection lens unit includes an optical lens disposed adjacent to the micromirror device, and a light shielding plate mounted on the optical lens or between the micromirror device and the optical lens for covering bias light so as to prevent formation of a ghost image in the projected image.

Abstract: A beam combiner for combining a first color beam, a second color beam, and a third color beam is provided. The beam combiner has a transparent substrate with a first optical surface on which a first reflective film reflecting the first color beam is disposed, and a second optical surface on which a second reflective film reflecting the second color beam is disposed. The first optical surface and the second optical surface are parallel. The second color beam entering the transparent substrate is reflected by the second reflective film and leaves the transparent substrate by passing through the first optical surface, while the third color beam enters the transparent substrate from the second optical surface and leaves the transparent substrate by passing through the first optical surface. The optical paths of the first, the second, and the third color beam are substantially coincident after emerging from the first optical surface.

Abstract: An image shifting module for shifting imaging positions of sub-images projected on a screen in each frame, and an optical projection device using the same are provided. The image shifting module includes a first vibration mechanism and a second vibration mechanism. The first vibration mechanism is disposed on the transmission path of the sub-images and shifts the sub-images projected on the screen by a first distance along a horizontal direction in each frame time. Moreover, the second vibration mechanism is disposed on the transmission path of the sub-images and shifts the sub-images projected on the screen by a second distance along a vertical direction in each frame time. Through this image shifting module, the image resolution can be increased.

Abstract: An optical engine for a projection display device includes a housing, a light source module, an imaging unit, and a projecting mechanism. The housing includes a base wall and a surrounding wall cooperating with the base wall for defining a receiving space with an opening. The light source module is disposed at a side of the housing for providing an illuminating light beam into the receiving space. The imaging unit is disposed in the receiving space, and includes a display element and an optical lens set. The projecting mechanism includes a lens barrel having first and second barrel ends, a projecting lens disposed at the second barrel end, and a coupling element formed on an outer surface of the lens barrel adjacent to the first barrel end. The coupling element is configured to have a size and shape corresponding to those of the opening, and is disposed to cover the opening and to seal the receiving space.

Abstract: A light integration rod module includes a holder, a light integration rod disposed in an accommodation space of the holder, a bracket set supporting the holder and the light integration rod, and an adjusting unit adjusting the relative positions of the holder and the bracket set and including a first adjusting element, a second adjusting element and an elastic element. The first and second adjusting elements are disposed through the bracket set and pushing the holder to adjust the relative positions of the holder and the bracket set along a first and a second axis directions respectively. Both ends of the elastic element are respectively connected to the bracket set and the holder and providing the holder with a pull force towards the bracket set. The direction of the pull force is different from the first and second axis directions.

Abstract: An image shifting module for shifting imaging positions of sub-images projected on a screen in each frame, and an optical projection device using the same are provided. The image shifting module includes a first vibration mechanism and a second vibration mechanism. The first vibration mechanism is disposed on the transmission path of the sub-images and shifts the sub-images projected on the screen by a first distance along a horizontal direction in each frame time. Moreover, the second vibration mechanism is disposed on the transmission path of the sub-images and shifts the sub-images projected on the screen by a second distance along a vertical direction in each frame time. Through this image shifting module, the image resolution can be increased.

Abstract: A projection lens movement-adjusting apparatus comprises an adjusting module and a projection lens module. The adjusting module comprises a fixed support, an adjusting rod, a sliding seat and a fixing portion. The adjusting rod is pivoted to the fixed support. The sliding seat is mounted inside the fixed support and screwed to the adjusting rod. A fixing portion is disposed on one side of the sliding seat. The projection lens module is composed of projection lens and the linking unit fixed to one side of the projection lens, and a protruding board is on one side of the linking unit and is fixed firmly to the fixing unit and hence the projection lens module can be connected with the sliding seat.