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FR2385973A1 - Helically wound strip guard for machine shaft - has tightly wound turn at large end to prevent unwinding in use - Google Patents

Helically wound strip guard for machine shaft - has tightly wound turn at large end to prevent unwinding in use

Info

Publication number
FR2385973A1
FR2385973A1 FR7808728A FR7808728A FR2385973A1 FR 2385973 A1 FR2385973 A1 FR 2385973A1 FR 7808728 A FR7808728 A FR 7808728A FR 7808728 A FR7808728 A FR 7808728A FR 2385973 A1 FR2385973 A1 FR 2385973A1
Authority
FR
France
Prior art keywords
turn
wound
guard
large end
machine shaft
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.)
Granted
Application number
FR7808728A
Other languages
French (fr)
Other versions
FR2385973B1 (en
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
Publication of FR2385973A1 publication Critical patent/FR2385973A1/en
Application granted granted Critical
Publication of FR2385973B1 publication Critical patent/FR2385973B1/fr
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P1/00—Safety devices independent of the control and operation of any machine
    • F16P1/02—Fixed screens or hoods

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Springs (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)

Abstract

Guard for machine parts esp. shafts is a spring made of strip material wound helically into overlapping turns (8, 9, 10, 11) to define a frusto-cone. The first and last turns are wound without rise to define square ends for the guard. The small dia. end (2) is fitted onto a flanged hollow spigot (4). The large dia. end is fitted loosely into a flanged sleeve (5). The turns at this end are wound for the last outer turn (3) to grip the next turn under tension. This avoids spreading of the last turn in operation.
FR7808728A 1977-03-31 1978-03-24 Helically wound strip guard for machine shaft - has tightly wound turn at large end to prevent unwinding in use Granted FR2385973A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772714375 DE2714375C2 (en) 1977-03-31 1977-03-31 Adjustable length device to protect machine parts

Publications (2)

Publication Number Publication Date
FR2385973A1 true FR2385973A1 (en) 1978-10-27
FR2385973B1 FR2385973B1 (en) 1983-04-08

Family

ID=6005252

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7808728A Granted FR2385973A1 (en) 1977-03-31 1978-03-24 Helically wound strip guard for machine shaft - has tightly wound turn at large end to prevent unwinding in use

Country Status (2)

Country Link
DE (1) DE2714375C2 (en)
FR (1) FR2385973A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE452077C (en) * 1927-11-05 Aeg Protective device for motion spindles, especially in electrical resistance welding machines
DE2118728A1 (en) * 1971-04-17 1972-12-07 Eberle & Cie Gmbh J N Telescopic spring

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3007239A (en) * 1956-11-21 1961-11-07 American Machine & Metals Method of making springs
GB1303791A (en) * 1970-01-13 1973-01-17

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE452077C (en) * 1927-11-05 Aeg Protective device for motion spindles, especially in electrical resistance welding machines
DE2118728A1 (en) * 1971-04-17 1972-12-07 Eberle & Cie Gmbh J N Telescopic spring

Also Published As

Publication number Publication date
DE2714375A1 (en) 1978-10-12
DE2714375C2 (en) 1983-04-28
FR2385973B1 (en) 1983-04-08

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