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The idea behind the mail chute was that letters and other paper objects like postcards to be mailed could be delivered at the first floor and higher floors of a building by the sender without having to personally hand-carry the object to the building mailroom. The Post Office required the chutes be constructed with at least three-quarters of the front made of glass so that the postal workers could locate and dislodge any trapped mail.
#Mailboxes for office wall free#
The chute was designed so it could be opened to free up any letters that got stuck in the falling process. Letters to be mailed would be deposited through slots on the channel on each floor and would fall loosely to the first floor to be collected in a mailbox.
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His invention was a wall-mounted container on the ground floor of a high-rise building which was fed by a glass-paneled vertical tube the height of the building. It consisted of a mailbox and a vertical channel chute through which letters were moved by means of gravity. It was a new type of mail delivery system in an office building or apartment building of several stories. Ĭutler applied for a patent on his invention and received US patent 284,951 for a mail chute collection system on September 11, 1883. The feedback obtained was incorporated into his design. He had carpenters build a wooden prototype and presented that to the United States Post Office Department and architects of high-rise office buildings. In his architectural work in 1879, he conceived the idea of having a mail system that would relieve the tenants of the hardship of taking their office mail to the street mailbox at the end of each day. Today, there are about 900 active mail chute systems in New York City high-rise buildings and 360 buildings in Chicago that still use them.Īrchitect James Goold Cutler planned and directed the construction of the seven-story Elwood Building in downtown Rochester, New York. Beginning at about the same time, many of the buildings that had them have closed off their mail chutes and no longer use them. The National Fire Protection Association has not allowed mail chutes from being put into new buildings after 1997. Cutler manufactured thousands of these systems over the decades that were installed in many high-rise buildings across the United States. He formed a company and was the only maker of mail chutes and the associated collection receiving boxes for the first 20 years of existence. The chute was for the convenience of the residents, workers, and public at the building so they would not have to take their outgoing mail to a mailbox or to the local post office.Īrchitect James Goold Cutler invented this new type of mail delivery in 1883. This invention was before the time of the modern mailroom associated nowadays with high-rise buildings. Letters and postcards were dropped through mail deposit slots from the upper stories of a high-rise building and collected (usually at the first level) at a central depository by the postal service.
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The 4B+ vertical mailboxes can be purchased as recessed mounted or surface mounted units and are also available in aluminum, bronze and sandstone colors.A mail chute is an outdated letter collection device used in multi-story office buildings, hotels, apartment buildings and other high-rise structures. 4B+ mailboxes are also available as vertical units that come in 3-door, 4-door, 5-door, 6-door, and 7-door configurations. Available as a recessed mounted unit, the Salsbury 4B+ horizontal style mailbox is made entirely of aluminum and available in 3 colors – aluminum, bronze and sandstone. Cluster box units are available in sandstone, bronze, white, green, black and gray.ĭesigned for replacement and retrofit installations, Salsbury 4B+ horizontal style commercial mailboxes are another commonly used wall mounted commercial building mailbox. Designed with elegance in mind, Salsbury Industries also offers regency decorative cluster mailboxes that come with a decorative top and decorative pedestal cover. CBUs include a pedestal and are available in 4, 8, 12, 13, and 16 mailbox door configurations (plus parcel lockers for package delivery). These units are extremely secure with heavy-duty cam locks and anti-fish plates to prevent mail tampering. Cluster mailboxes are USPS approved and are ideal for office complexes, industrial buildings, medical centers, hotels, retail stores, multifamily housing locations, warehouses and other commercial applications.
#Mailboxes for office wall series#
The 3300 series cluster box unit (CBU) is a free-standing mailbox option for commercial buildings. Outdoor Mailboxes for Commercial Buildings