Abstract: An antenna assembly includes a composite substrate. One or more first antenna elements are secured to the composite substrate. A microstrip feed network is secured to the composite substrate. The first antenna elements are electrically coupled to the microstrip feed network. A switch is electrically connected to the microstrip feed network. The switch is configured to selectively control the first antenna element(s). A dielectric lens may be disposed on the composite substrate over the first antenna element(s).

Abstract: A sheet holder for holding a sheet of paper and exposing an edge of the sheet, has a press for holding the paper sheet and exposing the edge, and a lever for operating the press. The lever is movable between a released position for placing of the edge of the paper sheet in the press and a holding position for operating the press. There is also an abutment for abutment by the edge of the paper sheet to position the edge relative to the press while the lever is in the released position. The abutment is associated with the lever for moving away from the edge of the paper sheet when the lever moves towards the holding position, thereby exposing the edge of the paper sheet.

Abstract: A binding device having a binding member that operates at a binding position of objects to be bound has a structure with which the bound objects do not readily come off. The binding device includes a board having a bearing plate. A spring member and an operation lever are attached to a shaft inserted in the bearing plate and a turned-up part. Protruding pieces of a binding member are inserted in through holes of turned-up parts formed in the board. One end of the spring member is secured to the operation lever, and the other end is fitted in a through hole of a turned portion at the distal end of the binding member. By closing the operation lever, the binding member rotates around a line connecting the protruding pieces at both ends, thereby pressing down sheets of paper placed on the board with a pressing portion. At this time, the other end of the spring member presses the turned portion, thereby biasing the pressing portion.

Abstract: A ring mechanism for retaining loose-leaf pages comprises a housing, hinge plates, and ring members mounted on the hinge plates for retaining pages on the mechanism. An actuating lever is pivotally mounted on the housing for engaging the hinge plates and pivoting them to selectively move the ring members between an open position and a closed position. A travel bar is operatively connected to the lever for selective movement between a position in which locking elements of the travel bar block the pivoting movement of the hinge plates and a position in which the travel bar allows the hinge plates to pivot. The lever is configured to deform when pivoting the hinge plates to close the ring members to delay movement of the travel bar and locking elements to the blocking position from the onset of pivoting motion of the hinge plates.

Abstract: This invention concerns a file mechanism for punched documents, comprising a base plate, two mutually spaced filing pins which stand up substantially vertically from the base plate, and a two-limbed transfer arch which is spaced from the filing pins and which is mounted limitedly pivotable between an open and a closed position about a horizontal axis approximately parallel to the base plate and comprises transfer limbs which with their free ends in the closed position contact in pairs the free ends of the filing pins, wherein the transfer limbs are actuable by way of an operating lever which is pivotably mounted to a mounting element projecting from the base plate, characterized in that there is provided at least one reinforcing element which connects the mounting element to the base plate.

Abstract: The primary object of the present of invention is to provide a button binder in which paper or sheets can be easily retained and moved out, which exclude the above-mentioned disadvantages. In accordance with one embodiment of the invention, the button binder includes several buttons, connection pieces, pulling pieces, a front sheet, a rear sheet and strips. An appropriate number of the buttons are fixed on the appropriate position on the binder, such as on the left portion or top portion of the rear sheet. The buttons mainly compromises a cap and a post. The cap has an axial hole. The post is capable of engaging in the axial hole of the cap and being fastened tightly. Punched papers or sheets can be hold by the post under the cap. When paper in the button binder is opened, there is big force to open the buttons. In order to secure the paper tightly, the buttons are designed to be opened only in a proper direction or site, and the buttons can not be opened in non-proper direction or site.

Abstract: A binding system for loose-leaf sheets of paper that securely retains the paper and provides facile removal and addition of paper bound by the system is provided. The system provides a variable width binding, for addition and removal of papers, and a flexible spine. A plurality of resilient connecting members extend arcuately between first and second backing members, when the system is in an open position. The connecting members extend through openings in an adjustment assembly coupled to the second backing member. The adjustment assembly is provided for simultaneously increasing and decreasing the length of the connecting members, and for maintaining the connecting members at different desired lengths for binding paper with the system or removing paper from the system. Paper having a plurality of slots is positioned on a cover, with a connecting member extending through each slot.

Abstract: A ring binder mechanism has a base plate that may be mounted in a binder or the like and preferably two spring closure mechanisms that each comprise a filing pin and a tube perpendicularly secured to the base plate. A longitudinally sliding and rotary closing bow is mounted in the tube to open and close the mechanism. A pressure spring is mounted between a disk-shaped bulge of the closing bow and a closed end of the robe to generate a closing force in the direction of the filing pin.

Abstract: An improvement in binding clip, which includes two symmetric clamping elements pivoted with two positioning plates mounted with two dove-tail slide blocks mounted thereon, and sheets of paper retained therein between the two symmetric clamping elements, whereby the amount of the sheets of paper can be flexibly increased or reduced according to requirement, and whereby the clampng elements each has two interconnected elastic strips to define a clearance with its back wall portion for mounting a cover page. Therefore, the assembly can be conveniently set up without the use of any working tool, functional flexibility can be for choice and low manufacturing cost can be achieved.

Abstract: Note-book having a cover, constituted by a front flap and by a rear flap joined by a spine, and a stack of sheets joined to one another. The book further includes tabs, protruding from the back of the stack of sheets and removably retainable between the inner surface of the flaps, and trays removably associated with the inner surface of the flaps.

Abstract: A pre-assembled post lock assembly for loose leaf binders having separable covers which greatly simplifies mounting of the lock to the binder. A plastic sleeve press-fitted within the barrel assembly of the lock holds a spring biased ball carrier member in alignment with the barrel housing such that the locking balls are disposed for coaction with the cam surface of the barrel whether or not the lock assembly is mounted on the binder.

Abstract: A ball lock assembly is provided which permits preconstruction of certain ones of the assembly components. Consequently, the assembly, in kit form, has few parts, and may be integrated simply in a final binder construction by a binder manufacturer. The lock assembly includes a ball lock device having a first and second end. The ball lock device has an axial opening through it. A first end of the ball lock device receives a post of a suitable loose leaf metal used in the manufacture of a complete binder while the second end is constructed to permit attachment of a pull ring. The lock device includes a lock extension having a ball container movably mounted in it. A retaining sleeve is positioned between an internal diameter of the lock extension and an external diameter of the ball container. The sleeve permits the preassembly of the various parts of the ball lock device so that the lock assembly may be sold in kit form.

Abstract: An adjustable looseleaf binder is provided for the accumulation of sheets of hole punched paper and the like. This binder has an elongated base plate to which are attached one end of a plurality of flexible binding posts. The second ends of the binding posts are releasably held in the base plate by various clamping mechanisms thereby providing an adjustable loop of any desired size. This loop threads through the hole, or selected holes, of material to be held in the binder. A foldable sheet provides for the top, edge and bottom cover of the binder. This sheet has prescored lines therein to permit folding to achieve the desired dimensions of the binder and holes to accept the binding posts. As the contents of the binder are changed, the cover may be folded at other prescored lines to accommodate this change. The components of the binder may be readily shipped in a compact manner and assembled by the user to achieve a binder of desired size.

Abstract: A device for holding a credit card purchase form is shown and includes a generally planar base having a flat surface portion over which the form extends. A clamp member is provided, the clamp member having one edge adapted to engage the edge of the form and to force it against the base member. The clamp member pivots on its other edge. A pair of spaced apertures are formed in the planar base and a pair of hinge members project from the pivot edge of the clamp member and extend through the spaced apertures and provide a hinge arrangement for the clamp member. A lever member is fixedly joined to the pivot edge of the clamp member, and the lever member includes an end movable toward the planar base to cause pivotal movement of the clamp member and movement of the clamping edge away from the base.

Abstract: A side-opening composite looseleaf binding apparatus for attachment to a backbone of a looseleaf binder cover. The binding apparatus comprises a one-piece molded plastic base having a planar floor portion, a stationary wall portion, a hinged wall portion separated from the stationary wall portion by a floor portion, and wherein the hinged wall portion includes an integral plastic hinge. A one-piece stamped metal finger or ring unit is provided having a strip portion connected to the hinge wall portion and a plurality of curved fingers or rings extending from the strip portion. In a closed position, the curved fingers have ends which are adjacent to and below an upper edge of the stationary wall. A spring member provides an opening bias for the finger unit and a locking member locks the finger portions of the finger unit in a closed position.

Abstract: A clamping fixture detachably mountable on an easel, or wall, mounted upright, support board hanging a heavy stack of large paper sheets against the front face of the support board so that the stack may be readily removed or rearranged, or the sheets torn off one-by-one. The fixture comprises a back support member, a top clamp housing member, and a blade member. The blade member and the clamp housing are pivotally connected to each other so as to move in unison when the clamp housing is pivoted about the back support member for inserting or removing a stack of papers. The blade member also acts as a clamping member and is tensioned for automatically adapting to the thickness of the sheets or pads of paper and means are provided for quickly and automatically permitting the fixture to open and then snap lock automatically in closed position, making the insertion and removal of display sheets or pads an effortless task.