Abstract: A mechanism to be inserted into a newspaper delivery box for indicating when a newspaper has been delivered having a newspaper contacting means attached to lever arm which transmits torque through pivot shaft to move lever arm to raise flag.

Abstract: A signal for a conventionally constructed mail box is provided having a distinctive visual effect wherein coaction between a stationary and movable member shows a totally black field indicating no mail received, but shows a series of distinct white bars when a mechanism is automatically operated upon opening the door of the mail box to insert mail. The construction is substantially enclosed and very compact to be attached by a consumer on the back wall of a mail box with a signal control mechanism within the mail box extending from the back wall to the hinged door of the mail box. The invention is readily attachable to existing mail boxes with simple tools and sheet metal screws.

Abstract: A signaling device for mounting on the front of a newspaper tube will pivot from a position perpendicular to the axis of the tube to one parallel with the axis of the tube upon the insertion of the newspaper or mail by virtue of the inserted material engaging one end of a pivoting arm which serves as the signaling device.

Abstract: An automatic signal attachment for a mailbox which automatically raises a signal flag to indicate that the mailbox door has been opened. The attachment comprises a lever and pivot assembly for the existing signal flag and a trigger clip and spring assembly to activate the signal flag to a vertical position. The attachment can be used on any standard mailbox now in use.

Abstract: An auxiliary mailbox marking attachment comprises a mounting strap transversely surrounding, and generally conforming to the shape of, the exterior top and sides of a mailbox. A portion of the mounting strap extends inwardly beneath the mailbox such that the mounting strap may be drawn tight to clamp around the exterior of the mailbox. A flag or other marking device is mounted on the mounting strap by a support attached to the mounting strap and serves as a visible indication of the presence of the mailbox.

Abstract: An indicator for attachment to a mailbox for actuation upon mailbox door opening. A flag asembly is mounted on an elevated base of the indicator and includes a flag spring urged to the raised position. The flag is hingedly attached to a rotatable carrier plate permitting optimum flag visibility to the home owner. A flag release assembly includes an arm having one end in the mailbox door path with flag release occurring upon lifting of the arm which disengages the flag from a magnetic latch. The base and carrier plate have concentric openings through which flag release member extends to permit carrier plate rotation during flag positioning.

Abstract: A signal device for a newspaper delivery box includes a hinged actuator located within the box and in the path of movement of an inserted newspaper, and includes a latch portion which projects through an opening in the side wall of the newspaper box to releasably engage a gravity biased, pivotally connected signal flag.

Abstract: A mail box signal device for attachment to a rural mailbox, the invention comprises a length of flexible cord-like material mounted interiorly of the mailbox and fitting within guide structure mounted within the box. A first end of the cord-like material has a flexible flap attached thereto, the flap being retentively but releasably lodged between the door and open end edge of the mailbox. Flat signal plates attached to the opposite ends of the cord-like material are held contiguous against the underside of the mailbox when the device is a set or non-signalling position, the signal plates dropping downwardly on opening of the door of the mailbox thereby to release the flap and attached length of cord-like material. Movement of the flat signal plates to a downwardly disposed position indicates to a distant observer that the mailbox has been opened.

Abstract: An indicating assembly designed to be used primarily with container assemblies of the type used for mail depositories installed in multi unit apartment houses, condominiums, or like multi unit dwellings. A switch installed in direct association with the opening of the main unit of the apartment complex, wherein the switch is interconnected in circuit between a power source and an electromagnetic indication device. Opening of the switch and thereby breaking of the circuit is caused by the post office delivery opening the main assembly normally required for the disposition of mail in the individual mail boxes or compartments. Breaking of the circuit causes disengagement of the electromagnetic device with a base element formed from magnetically attracted material such as metal.

Abstract: A signal device for a mailbox or similar roadside receptacle has an abutment member received in the box on its bottom wall in position to be engaged by mail, or some other article, and thereby moved to the opposite end of the box. The abutment member is secured to a rigid rod extending through the rear of the mailbox and carrying a signal flag outside the box. This rod is inclined to the bottom wall of the box so that as the abutment member is engaged by the mail or other article, the signal flag is moved laterally of the mailbox so that it may be more clearly seen from a distance than when it is possibly concealed by the perimeter of the mailbox when closely proximate the adjacent end of the mailbox.

Abstract: A mailbox of the type that is located outdoors and is exposed to all weather conditions has an access aperture with a door adapted to selectively open the aperture for removal of mail in the mailbox. A lock mounting arrangement is provided to permit the mailbox to be locked to prevent unauthorized removal of the mail. In addition, a mail slot sufficiently large to permit the insertion of mail but small enough to prevent access for removal of the mail is provided. A pivoted flap covers the mail slot. Appropriate shielding means, such as the top and sides of a specially shaped mailbox, protect the door, the mail slot and the lock mounting from inclement weather conditions.

Abstract: A mail box is shaped like a post which is to say it has a housing in the shape of a rectangular prism. The letter box pivots at its bottom front from the top of the housing. The amount the letter box pivots outward is adjustable and a weight on the rear of the letter box tends to pull it closed. The letter box is particularly adapted for urban and suburban placement where the mailman delivers the mail from a vehicle or where the mailman does not deliver the mail to a door side box.

Abstract: A flag assembly includes a lateral projection at its lower end enabling flag raising by fingertip pressure. A spring biased rod includes an arm member contactable with the projection during door opening to automatically lower the flag. A link associated with the rod moves past the door hinge pin axis to lock the door open and also to close the door after initial manual door closing movement.

Abstract: A mailbox signal including a flag member journaled beneath the mailbox and adapted to be held in its elevated inoperative position by a latch member, also mounted beneath the mailbox and adapted to be actuated by the rearward swinging movement of the bottom portion of the mailbox door when swung to an open position, for disengaging the flag member and permitting it to drop to a visibly exposed operative position.The invention also contemplates an extended signal member pivotally mounted upon the free end portion of the flag member and adapted to swing between a folded elevated inoperative position and an extended depending operative position.The invention further contemplates the inclusion of an electrical signal circuit having a switch member adapted to be actuated by a portion of the flag member when swung to its operative position.

Abstract: A signal device is disclosed suitable for mounting upon a mailbox to indicate incoming or outgoing mail. The signal device includes a pocket and a pair of flags mounted on either end of a pivotal arm. The flags are adapted for alternate exposure or for concealment of both flags within the pocket.

Abstract: A rural mailbox flag device for attachment to the mailbox by existing fasteners normally serving to secure a frictional latch member to the mailbox. A flag support member includes a horizontal flange with relieved areas which facilitates reception of the latch mounting fasteners. A flag is held upright by mailbox door structure. The flag is automatically repositioned from its upright position upon opening of the mailbox door to provide a signal to the mailbox owner of the visited-non visited status of the box.

Abstract: A rural type mailbox having a pivoted platform therein. The platform is tilted from a manually set, metastable position to a stable position by shiftable weights when an article of mail, such as a letter is placed thereon. Such tilting, through a magnetic coupling and levers causes a signal target to be raised into view whereby the owner of the box is informed that mail has been deposited therein.

Abstract: Subject device is automatically tripped by manually opening the door of the mailbox. The device includes a frame which is intended to be attached to the lower edge of the mailbox. Pivotally attached to the frame is a signalstaff adapted for pivotal movement between an upright position and a recumbent cocked position. Attached to the upper end of the signalstaff is an omnidirectional signalhead which provides conspicuous evidence from any angle of view that the door of the mailbox has been opened. The signalstaff is held in the cocked position and/or selectively released therefrom by a novel trigger mechanism which includes an actuating lever disposed adjacent the door for operable engagement therewith and whereby the trigger mechanism is operated to enable biasing apparatus to carry the signalstaff to the upright position as the door is opened.

Abstract: An improved mail box signalling mechanism that may be quickly and easily installed on conventional rural mail boxes provides a flag that is automatically displayed when mail is deposited in the mail box by the postman to give the box holder a positive visual indication that mail has in fact been delivered.

Abstract: A signal for mounting upon a conventional newspaper delivery box, comprising a molded flap-hinge-clamp unit for releasably clamping upon the upper edge of the open forward end of the box with the flap arranged within and blocking the box opening. The flap pivots upwardly upon insertion of a newspaper within the box. A signal flag is connected to the flap and has a body portion arranged above and roughly parallel to the upper surface of the box so that when the flap pivots upwardly, the flag swings into an upright signalling position.

Abstract: A mail box with a signal attachment in which the opening of the door causes a bracket to activate a pivotally mounted hollow signal arm. The activation of the hollow signal arm moves the hollow signal arm into a substantially upright position. Weight means within the hollow signal arm urges the hollow signal arm into a substantially upright position and maintains the hollow signal arm in the upright position until an operator manually resets the hollow signal arm to its initial position.

Abstract: A rural delivery type mailbox having an elongated hollow container with a single mail receiving compartment therein, the container normally mounted adjacent a roadway and having a front end with a door therein for the insertion of mail into the compartment, and provided with a door in the rear wall of the container to permit removal of the mail from the compartment without having to force an individual to step into the adjacent roadway and expose himself to oncoming traffic. The rear entrance includes a door hinged at the bottom whereas the front entrance has the hinge at the top such that access to the mail compartment may be gained from both ends of the mailbox.