US1721402A - Desk telephone station - Google Patents

Desk telephone station Download PDF

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Publication number
US1721402A
US1721402A US5586A US558625A US1721402A US 1721402 A US1721402 A US 1721402A US 5586 A US5586 A US 5586A US 558625 A US558625 A US 558625A US 1721402 A US1721402 A US 1721402A
Authority
US
United States
Prior art keywords
finger dial
station
telephone station
box
dial
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US5586A
Other languages
English (en)
Inventor
Merk Friedrich
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US1721402A publication Critical patent/US1721402A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof

Definitions

  • This invention has for its object to create a desk telephone station with hand set and finger dial which is of compact, simple and cheap construction.
  • the invention relates .especially to the.
  • the casing of the a pedestal and of a box is, as regards shape and size, adapted to the finger dial embedded in the inclined top plate of the box and it is fitted with a fork-shaped support for the handset arranged so that the hand set viewed from above in the positionot' rest intersects the casing.
  • the finger dial is mounted on the top side instead of the front side of the casing it ing the size of the station and reduces the cost of manufacture owing to the saving of material.
  • the construction of the apparatus must be carefully considered and they must be cleverly accommodated in the casing, and the forkshaped support for the hand set must also be cleverly arranged so that the supporting points for the hand set are situated above the finger dial. Any suitable construction and mounting of the fork-shaped support may be used.
  • the hand set is arranged a short distance above the finger dial in order that the weight of the hand set acts as closely as possible to the centre of the station so that the stability of the desk telephone station is increased. This arrangement presents further the advantage that the user of the station must remove the hand set from the fork-shaped support before he can adjust the finger dial on the desired number.
  • a small finger dial is especially adapted, as to such a finger dial corresponds,'in accordance with the invention, a small, round or rounded casing, which can be simply and inexpensively made from sheet metal, otters large inner apparatus composed of 5,586, and in switzerlandDecemlier 15, 1924;
  • the casing is arranged so that th'e finger dial can be mounted on the same in.
  • I V I a -An embodiment of the inv'entionisillustrated, by way of example, on the accompanying drawing, in which i Fig.1 is a front elevation of the improved desk telephone station.
  • Fig. 2 is a plan view of the same.
  • Fig. 3 is a sideelevation ofthedeskstation
  • Fig. 4 is a plan view, the top parto'f the box being removed.
  • the casing of the apparatus consists of abox D of circular cross section and of a circular pedestal S.
  • the top plate of the box is forwardly inclined and has an aperture into which a number switch .N, with finger dial when the-central exof small diameter'and-having finger-holesarranged in a cirelelin a'manner known. per
  • the horizontal axle A for the support G is mounted in two round holes arranged in side walls of a bulged out part of the rear upper end of box D.
  • the upwardly directed and slightly forwardly inclined'two arms of the support G, fork-shaped at the upper ends, are fixed on the two projecting ends of axle A.
  • Theaxle G with the arms of the support is adapted to rotate between two. stops.
  • the micro-telephone M is taken olt the finger dial when the hand set is lyin on the supports.
  • the han set as in this case the han set, as
  • Figs. 2 .and 3 is horizontally situated above the finger dial'the user of the apparatus must, of course, remove the hand set from the support beforehe canadjust the finger dial to the correct number so that the mechanical locking of the finger dial may not be'necessary.
  • This alarm consists, of La twogarmed permanent..magnet havingiacoil arrangedbetween the. arms.
  • twocontact springs G are. arranged adaptedtocomein contact with triccontact of :the number switch is effected without the aidof aloose cord. -Atzthe right and left. of the gong .orof' the induction coil sutficientspaceris availableinthe pedestal S forethe. connection of the connecting wires for the-. micro-telephonei and for -:the outer .con-
  • the. pedestal In order to protect theelements in the pedestal. against 'damag-ing from the outside. the. pedestal has; a. erforated bottom plateiB with rubber feet: or supporting the deskteleph'one station. I a.
  • a telephone set comprising in combination, a base, all the apparatus required for. the operation of the setascondenser, induction coil and. alarm mountedxon said base, a case for this apparatus mounted on said'base having an. inclined topplate; ajfinger dial of standard construction about 3ofdiameter mounted on the inclined top plate of said case,
  • a telephone set as specified in claim 1, comprising in combination withthe base the case and the fingervdial, said alarm mo untedin therearportion of saidcase in upright position, said condenser andsa1d induction coll mounted in the front p ortion of said case, con-' tacts on said condenser, counter contacts on said finger dial so that these contacts and counter contacts touch each other when said case is mounted on said base.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
US5586A 1924-12-13 1925-01-29 Desk telephone station Expired - Lifetime US1721402A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH244389X 1924-12-13

Publications (1)

Publication Number Publication Date
US1721402A true US1721402A (en) 1929-07-16

Family

ID=4464234

Family Applications (1)

Application Number Title Priority Date Filing Date
US5586A Expired - Lifetime US1721402A (en) 1924-12-13 1925-01-29 Desk telephone station

Country Status (5)

Country Link
US (1) US1721402A (de)
CH (1) CH112500A (de)
FR (1) FR591199A (de)
GB (1) GB244389A (de)
NL (1) NL16862C (de)

Also Published As

Publication number Publication date
FR591199A (fr) 1925-06-30
GB244389A (en) 1925-12-31
NL16862C (de)
CH112500A (de) 1926-01-02

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