FR2424450A1 - Two speed gear box - has automatic change caused by torque on worm-driven output shaft exceeding given value - Google Patents

Two speed gear box - has automatic change caused by torque on worm-driven output shaft exceeding given value

Info

Publication number
FR2424450A1
FR2424450A1 FR7813024A FR7813024A FR2424450A1 FR 2424450 A1 FR2424450 A1 FR 2424450A1 FR 7813024 A FR7813024 A FR 7813024A FR 7813024 A FR7813024 A FR 7813024A FR 2424450 A1 FR2424450 A1 FR 2424450A1
Authority
FR
France
Prior art keywords
output shaft
torque
gear box
given value
worm
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
FR7813024A
Other languages
French (fr)
Other versions
FR2424450B1 (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.)
ABDENNOUR ELIE
Original Assignee
ABDENNOUR ELIE
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 ABDENNOUR ELIE filed Critical ABDENNOUR ELIE
Priority to FR7813024A priority Critical patent/FR2424450A1/en
Publication of FR2424450A1 publication Critical patent/FR2424450A1/en
Application granted granted Critical
Publication of FR2424450B1 publication Critical patent/FR2424450B1/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
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/20—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
    • F16H3/22—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially
    • F16H3/30—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial
    • F16H3/32—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts not coaxial and an additional shaft

Abstract

A two-speed gear box has an input shaft (10) with a pinion (11) which drives an intermediate shaft (4) and an output shaft (1) through pinions (25, 2). The intermediate shaft drives a second output shaft (6) through a worm gear. When the torque on the second output shaft exceeds a given value, it exerts an axial force on the wormwheel which overcomes the force of the spring (9) and allows the intermediate shaft to move axially. This movement disengages the pinions (2, 25) and engages the pinions (8, 3) so that the speed ratio between the input shaft and the first output shaft is changed.
FR7813024A 1978-04-26 1978-04-26 Two speed gear box - has automatic change caused by torque on worm-driven output shaft exceeding given value Granted FR2424450A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7813024A FR2424450A1 (en) 1978-04-26 1978-04-26 Two speed gear box - has automatic change caused by torque on worm-driven output shaft exceeding given value

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7813024A FR2424450A1 (en) 1978-04-26 1978-04-26 Two speed gear box - has automatic change caused by torque on worm-driven output shaft exceeding given value

Publications (2)

Publication Number Publication Date
FR2424450A1 true FR2424450A1 (en) 1979-11-23
FR2424450B1 FR2424450B1 (en) 1981-08-28

Family

ID=9207838

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7813024A Granted FR2424450A1 (en) 1978-04-26 1978-04-26 Two speed gear box - has automatic change caused by torque on worm-driven output shaft exceeding given value

Country Status (1)

Country Link
FR (1) FR2424450A1 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1810450A (en) * 1929-11-28 1931-06-16 Broembsen Maxwell Louis Fr Von Variable speed-gear mechanism

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1810450A (en) * 1929-11-28 1931-06-16 Broembsen Maxwell Louis Fr Von Variable speed-gear mechanism

Also Published As

Publication number Publication date
FR2424450B1 (en) 1981-08-28

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Legal Events

Date Code Title Description
ST Notification of lapse