ES380745A1 - Spools for business machines - Google Patents

Spools for business machines

Info

Publication number
ES380745A1
ES380745A1 ES380745A ES380745A ES380745A1 ES 380745 A1 ES380745 A1 ES 380745A1 ES 380745 A ES380745 A ES 380745A ES 380745 A ES380745 A ES 380745A ES 380745 A1 ES380745 A1 ES 380745A1
Authority
ES
Spain
Prior art keywords
prong
ribbon
spools
spool
attachment
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
Application number
ES380745A
Other languages
Spanish (es)
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.)
Walter Grafton and Son Ltd
Original Assignee
Walter Grafton and Son Ltd
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 Walter Grafton and Son Ltd filed Critical Walter Grafton and Son Ltd
Publication of ES380745A1 publication Critical patent/ES380745A1/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J33/00—Apparatus or arrangements for feeding ink ribbons or like character-size impression-transfer material
    • B41J33/003—Ribbon spools

Landscapes

  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Pens And Brushes (AREA)

Abstract

A spool for a business machine is provided on the hub with a prong for the attachment of a ribbon, such as an inked ribbon, to be wound on the spool, and with a projection, preferably on the hub itself, which prevents the prong from cracking, breaking or becoming permanently deformed under the hoop stress due to the wound ribbon. The prong also serves to reduce the risk of the prong being broken by the use, as is the habit of some operators, of a nail file or penknife or the like to facilitate the attachment of the ribbon to the prong.
ES380745A 1969-06-13 1970-06-13 Spools for business machines Expired ES380745A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB30042/69A GB1255721A (en) 1969-06-13 1969-06-13 Improvements in or relating to spools for business machines

Publications (1)

Publication Number Publication Date
ES380745A1 true ES380745A1 (en) 1972-08-16

Family

ID=10301328

Family Applications (1)

Application Number Title Priority Date Filing Date
ES380745A Expired ES380745A1 (en) 1969-06-13 1970-06-13 Spools for business machines

Country Status (15)

Country Link
US (1) US3653605A (en)
JP (1) JPS4840012B1 (en)
AT (1) AT310197B (en)
BE (1) BE751936A (en)
CH (1) CH509931A (en)
DE (2) DE2027715B2 (en)
DK (1) DK124120B (en)
ES (1) ES380745A1 (en)
FR (1) FR2051073A5 (en)
GB (1) GB1255721A (en)
IE (1) IE34259B1 (en)
NL (1) NL147983B (en)
NO (1) NO125312B (en)
SE (1) SE356715B (en)
ZA (1) ZA703735B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3814344A (en) * 1972-05-15 1974-06-04 Polaroid Corp Film reel with a chordal connection slot
US4244535A (en) * 1979-06-04 1981-01-13 Polaroid Corporation Separable film spool and method of loading film cassette therewith
US4254919A (en) * 1980-05-12 1981-03-10 Polaroid Corporation Method of loading film cassette

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE881667C (en) * 1951-08-21 1953-07-02 Regentrop & Bernard Ribbon reel
GB809016A (en) * 1955-12-15 1959-02-18 John Wilfred Hamilton Bishop Ink ribbon spool for typewriters and the like
GB958113A (en) * 1959-08-11 1964-05-13 Grafton & Son Walter Improvements in or relating to spools for business machines
US3145823A (en) * 1962-11-13 1964-08-25 Erdman O Spradlin Typewriter ribbon spool construction

Also Published As

Publication number Publication date
US3653605A (en) 1972-04-04
SE356715B (en) 1973-06-04
JPS4840012B1 (en) 1973-11-28
NL7008393A (en) 1970-12-15
DE2027715B2 (en) 1972-04-06
DE7021110U (en) 1971-02-25
ZA703735B (en) 1971-01-27
AT310197B (en) 1973-09-25
NO125312B (en) 1972-08-21
DK124120B (en) 1972-09-18
NL147983B (en) 1975-12-15
GB1255721A (en) 1971-12-01
IE34259B1 (en) 1975-03-19
BE751936A (en) 1970-11-16
CH509931A (en) 1971-07-15
IE34259L (en) 1970-12-13
DE2027715A1 (en) 1971-09-16
FR2051073A5 (en) 1971-04-02

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