A door knocker is an item of door furniture that allows people outside a house or other dwelling or building to alert those inside to their presence. A door knocker has a part fixed to the door, and a part (usually

metal A metal (from Greek μέταλλον ''métallon'', "mine, quarry, metal") is a material that, when freshly prepared, polished, or fractured, shows a lustrous appearance, and conducts electricity and heat relatively well. Metals are typicall ...

) which is attached to the door by a hinge, and may be lifted and used to strike a plate fitted to the door, or the door itself, making a noise. The struck plate, if present, would be supplied and fitted with the knocker. Door knockers are often ornate, but may be no more than a simple fitting with a metal

bob Bob, BOB, or B.O.B. may refer to: Places * Mount Bob, New York, United States *Bob Island, Palmer Archipelago, Antarctica People, fictional characters, and named animals *Bob (given name), a list of people and fictional characters *Bob (surname ...

, or ring. German professor Franz Sales Meyer distinguished three kinds of door knocker: the "ring", the "hammer", and an ornate category which could take the shape of an animal or another figure. High demand for antique door knockers in the early 20th century in the United States caused forged versions to emerge. __NOTOC__

Gallery of door knockers around the world

File:Celtic Door Knocker.jpg, A

British British may refer to: Peoples, culture, and language * British people, nationals or natives of the United Kingdom, British Overseas Territories, and Crown Dependencies. ** Britishness, the British identity and common culture * British English, ...

cast iron Cast iron is a class of iron– carbon alloys with a carbon content more than 2%. Its usefulness derives from its relatively low melting temperature. The alloy constituents affect its color when fractured: white cast iron has carbide impur ...

door knocker File:Germany Augsburg Dom-St-Maria Door Handle.jpg, "Ring of Mercy" on the Dom (Cathedral) St. Maria. of

Augsburg Augsburg (; bar , Augschburg , links=https://en.wikipedia.org/wiki/Swabian_German , label=Swabian German, , ) is a city in Swabia, Bavaria, Germany, around west of Bavarian capital Munich. It is a university town and regional seat of the ...

. File:Door knocker, N'Kob.jpg,

Hamsa The ''hamsa'' ( ar, خمسة, khamsa) is a palm-shaped amulet popular throughout North Africa and in the Middle East and commonly used in jewellery and wall hangings.Bernasek et al., 2008p. 12Sonbol, 2005pp. 355–359 Depicting the open right h ...

door knocker in

Morocco Morocco (),, ) officially the Kingdom of Morocco, is the westernmost country in the Maghreb region of North Africa. It overlooks the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria t ...

File:Harderwijk klopper.jpg,

Angel In various theistic religious traditions an angel is a supernatural spiritual being who serves God. Abrahamic religions often depict angels as benevolent celestial intermediaries between God (or Heaven) and humanity. Other roles inclu ...

door knocker in

Harderwijk Harderwijk (; Dutch Low Saxon: ) is a municipality and city of the Netherlands. It is served by the Harderwijk railway station. Its population centres are Harderwijk and Hierden. Harderwijk is on the western boundary of the Veluwe. The south ...

, the

Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...

File:Door knocker from Venezia.JPG, Door knocker in

Venice Venice ( ; it, Venezia ; vec, Venesia or ) is a city in northeastern Italy and the capital of the Veneto region. It is built on a group of 118 small islands that are separated by canals and linked by over 400 bridges. The isla ...

File:Heurtoir Orléans mai 2008.jpg, Door knocker in

Orléans Orléans (;"Orleans"
(US) and France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of overseas regions and territories in the Americas and the Atlantic, Pacific and Indian Oceans. Its metropolitan area ...

File:Haj Ali Bulagi House door knocker.jpg, Door knocker in Haji Bulagi House,

Iran Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkmeni ...

File:Behnam house's door knocker 001.jpg, Door knocker in

Behnam House Behnam House is a historical building in Tabriz, Iran. The edifice was built during the later part of the Zand dynasty (1750–1794) and the early part of the Qajar dynasty (1781–1925), as a residential house. During the reign of Nasereddin ...

File:Door in Fez with two knockers.jpg, A door in

Fez, Morocco Fez or Fes (; ar, فاس, fās; zgh, ⴼⵉⵣⴰⵣ, fizaz; french: Fès) is a city in northern inland Morocco and the capital of the Fès-Meknès, Fès-Meknès administrative region. It is the List of cities in Morocco, second largest city i ...

with two knockers. Traditionally, one was used by women and the other by men (see top left). File:Puerta del Archivo Histórico de Querétaro (detalle de la aldaba).jpg, Door knocker depicting an Eagle warrior in Querétaro,

Mexico Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatema ...

. File:Sahún - Llamador 01.jpg, Hand-shaped door knocker in Spain File:Kołatka Biblioteka Raczyńskich.jpg, Lion head door knocker at the Raczyńskich Library File:Assezat-heurtoir.jpg, Renaissance door knocker in

Toulouse Toulouse ( , ; oc, Tolosa ) is the prefecture of the French department of Haute-Garonne and of the larger region of Occitania. The city is on the banks of the River Garonne, from the Mediterranean Sea, from the Atlantic Ocean and from Pa ...

France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of overseas regions and territories in the Americas and the Atlantic, Pacific and Indian Oceans. Its metropolitan area ...

References

External links

* "''Heurtoir''" - French dictionary of architecture – Illustrated Door furniture Ironmongery {{architecture-stub

Gallery of door knockers around the world

See also

References

External links