GB333734A - Improvements in or relating to brake bands particularly for free-wheel differential devices - Google Patents

Improvements in or relating to brake bands particularly for free-wheel differential devices

Info

Publication number
GB333734A
GB333734A GB2472229A GB2472229A GB333734A GB 333734 A GB333734 A GB 333734A GB 2472229 A GB2472229 A GB 2472229A GB 2472229 A GB2472229 A GB 2472229A GB 333734 A GB333734 A GB 333734A
Authority
GB
United Kingdom
Prior art keywords
outer portion
inner portion
drum
band
abutment
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
GB2472229A
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.)
LAVAUD FREE WHEEL DIFFERENTIAL
Original Assignee
LAVAUD FREE WHEEL DIFFERENTIAL
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 LAVAUD FREE WHEEL DIFFERENTIAL filed Critical LAVAUD FREE WHEEL DIFFERENTIAL
Priority to GB2472229A priority Critical patent/GB333734A/en
Publication of GB333734A publication Critical patent/GB333734A/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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D49/00—Brakes with a braking member co-operating with the periphery of a drum, wheel-rim, or the like
    • F16D49/08—Brakes with a braking member co-operating with the periphery of a drum, wheel-rim, or the like shaped as an encircling band extending over approximately 360 degrees
    • F16D49/10—Brakes with a braking member co-operating with the periphery of a drum, wheel-rim, or the like shaped as an encircling band extending over approximately 360 degrees mechanically actuated

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Retarders (AREA)

Abstract

333,734. Oliver, A. V., and De Lavaud Free-Wheel Differential, Ltd. Aug. 13, 1929. Band.-Brake bands for freewheel differential devices of the kind described in Specification 316,312, [Class 80 (ii), Gearing, Variable-speed &c.], comprise a continuous ring-like outer portion 1 and an inner portion 2 adapted normally to rotate with the brake drum and so formed and associated with the outer portion that when the band is held stationary by arrest of the outer portion at any point, constant braking efforts are provided which have different values for forward and reverse rotation of the drum. The outer portion 1 is recessed at 7 to accommodate an arcshaped pin 8 and the inner portion is provided with end flanges 10, 11, one of which slides over the pin while the other is secured against one wall of the recess. A spring 12 acts on the flange 10 to cause the inner portion 2 to grip the drum, and the outer portion is provided with a number of radial stops 13. When the drum is rotating clockwise and an abutment is moved into the path of one of the stops 13, the inner portion 2 will tend to become more closely wrapped upon the drum, and in the reverse direction of rotation, the tendency will be for the inner portion to become unwrapped exerting a lesser braking effort. Since the force is transmitted to the inner portion 2 always at the point 11 the braking effort is constant whichever abutment 13 is arrested. To guide the outer portion upon the inner portion, slots and pins 14, 15 may be provided. A brako lining 3 is secured to the inner portion by rivets 4 and to facilitate mounting, the outer portion is split and the ends 5 connected by a rivet or screw 6. In a modification, the inner band is adapted to grip the drum 7 by its own resiliency and secured to the outer portion by a stud. Instead of securing the two portions of the band together, means such as an abutment may be provided for limiting relative movement between them.
GB2472229A 1929-08-13 1929-08-13 Improvements in or relating to brake bands particularly for free-wheel differential devices Expired GB333734A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2472229A GB333734A (en) 1929-08-13 1929-08-13 Improvements in or relating to brake bands particularly for free-wheel differential devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2472229A GB333734A (en) 1929-08-13 1929-08-13 Improvements in or relating to brake bands particularly for free-wheel differential devices

Publications (1)

Publication Number Publication Date
GB333734A true GB333734A (en) 1930-08-21

Family

ID=10216223

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2472229A Expired GB333734A (en) 1929-08-13 1929-08-13 Improvements in or relating to brake bands particularly for free-wheel differential devices

Country Status (1)

Country Link
GB (1) GB333734A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2192252A (en) * 1986-05-21 1988-01-06 Black & Decker Inc Improvements in or relating to braking mechanisms
GB2195155A (en) * 1986-12-03 1988-03-30 Shannon Res Ltd Shaft brake assembly, particularly for use in a wheel balancing apparatus
CN108757769A (en) * 2018-07-25 2018-11-06 深圳市科益展自动化有限公司 A kind of shape memory band-type brake ring and its design method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2192252A (en) * 1986-05-21 1988-01-06 Black & Decker Inc Improvements in or relating to braking mechanisms
GB2192252B (en) * 1986-05-21 1990-03-21 Black & Decker Inc Improvements in or relating to braking mechanisms
GB2195155A (en) * 1986-12-03 1988-03-30 Shannon Res Ltd Shaft brake assembly, particularly for use in a wheel balancing apparatus
GB2195155B (en) * 1986-12-03 1990-04-18 Shannon Res Ltd Wheel balancing apparatus
CN108757769A (en) * 2018-07-25 2018-11-06 深圳市科益展自动化有限公司 A kind of shape memory band-type brake ring and its design method

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