GB788856A - Improvements in or relating to one-way friction clutches - Google Patents

Improvements in or relating to one-way friction clutches

Info

Publication number
GB788856A
GB788856A GB1922154A GB1922154A GB788856A GB 788856 A GB788856 A GB 788856A GB 1922154 A GB1922154 A GB 1922154A GB 1922154 A GB1922154 A GB 1922154A GB 788856 A GB788856 A GB 788856A
Authority
GB
United Kingdom
Prior art keywords
shaft
driving
cylinder
driven
spring
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
GB1922154A
Inventor
Arthur Alexander
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.)
Parkinson & Cowan Ltd
Original Assignee
Parkinson & Cowan 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 Parkinson & Cowan Ltd filed Critical Parkinson & Cowan Ltd
Priority to GB1922154A priority Critical patent/GB788856A/en
Publication of GB788856A publication Critical patent/GB788856A/en
Expired 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C1/00—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing
    • F16C1/02—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing for conveying rotary movements
    • F16C1/06—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing for conveying rotary movements with guiding sheathing, tube or box
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D41/00—Freewheels or freewheel clutches
    • F16D41/20—Freewheels or freewheel clutches with expandable or contractable clamping ring or band
    • F16D41/206—Freewheels or freewheel clutches with expandable or contractable clamping ring or band having axially adjacent coils, e.g. helical wrap-springs

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Abstract

788,856. Freewheel clutches. PARKINSON & COWAN, Ltd. June 24,1955 [June 30, 1954], No. 19221/54. Class 80 (2). A freewheel clutch between driving and driven shafts 10, 11 comprises a coiled spring 12, frictionally gripping the shaft ends, engaging at one end an abutment 13 on the driving-shaft and at the other engaging an abutment formed by a recess 18 in a cylinder 15 journalled on the driven shaft. The cylinder 15 is closed at its open end by a gland screw 16, journalled on the driving-shaft, and turned to adjust the distance between the two abutments which controls the compression of the coiled spring 12. A nut 17 locks the gland screw in position. Rotation of the shaft 10 in one direction causes the spring 12 to drive the driven shaft 11, while rotation in the reverse direction unwinds the spring and leaves the driven shaft free. The driven shaft 11 can over-run in either direction. In a modification, Fig. 2 (not shown), the axes of the driving and driven shafts are inclined to each other, and the cylinder 15 is correspondingly curved.
GB1922154A 1954-06-30 1954-06-30 Improvements in or relating to one-way friction clutches Expired GB788856A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1922154A GB788856A (en) 1954-06-30 1954-06-30 Improvements in or relating to one-way friction clutches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1922154A GB788856A (en) 1954-06-30 1954-06-30 Improvements in or relating to one-way friction clutches

Publications (1)

Publication Number Publication Date
GB788856A true GB788856A (en) 1958-01-08

Family

ID=10125744

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1922154A Expired GB788856A (en) 1954-06-30 1954-06-30 Improvements in or relating to one-way friction clutches

Country Status (1)

Country Link
GB (1) GB788856A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2187240A (en) * 1986-02-27 1987-09-03 Peter Osborn Clutch device in canopy winding unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2187240A (en) * 1986-02-27 1987-09-03 Peter Osborn Clutch device in canopy winding unit

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