GB688019A - Improvements in or relating to vehicle brakes of the internal shoe drum type - Google Patents
Improvements in or relating to vehicle brakes of the internal shoe drum typeInfo
- Publication number
- GB688019A GB688019A GB2771151A GB2771151A GB688019A GB 688019 A GB688019 A GB 688019A GB 2771151 A GB2771151 A GB 2771151A GB 2771151 A GB2771151 A GB 2771151A GB 688019 A GB688019 A GB 688019A
- Authority
- GB
- United Kingdom
- Prior art keywords
- shoes
- drum
- bell
- shoe
- cranks
- 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
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
- F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
- F16D51/08—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as an expansible fluid-filled flexible member
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
688,019. Internal shoe-drum brakes. HIERONYMI, B. Nov. 26, 1951. No. 27711/51. Class 103 (i). In an internal shoe-drum brake having shoes 3 applied to the drum 1 by an annular expansible actuator 4, each end of each shoe has a circumferential slot 14 within which slide projections 13 on arms 11 of bell-cranks 9 pivoted on pins 8 extending between the fixed back plate 5 and a disc 6, guiding the shoes laterally. The other arm 10 of the bell-cranks 9 extends substantially radially and engages a radially extending surface 12 on the shoe. When the shoes are engaged with the drum 1 by the actuator 4, they tend to move circumferentially according to the direction of drum rotation. The surface 12 acting on arm 10 rotates the bell-crank so as to cause the projections 13 to press the shoes into tighter engagement with the brake drum. Springs 15 disposed between connections on the bell-cranks and the shoe rims have a return action on the bell-cranks. The shoes are guided laterally by their ends extending through slots 17 in arcuate plates 19. The plates 19 carry one-way mechanisms comprising ratchettoothed pins 20 and resilient locking members 22 which act as automatic clearance adjusters for the shoes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2771151A GB688019A (en) | 1951-11-26 | 1951-11-26 | Improvements in or relating to vehicle brakes of the internal shoe drum type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2771151A GB688019A (en) | 1951-11-26 | 1951-11-26 | Improvements in or relating to vehicle brakes of the internal shoe drum type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB688019A true GB688019A (en) | 1953-02-25 |
Family
ID=10264054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2771151A Expired GB688019A (en) | 1951-11-26 | 1951-11-26 | Improvements in or relating to vehicle brakes of the internal shoe drum type |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB688019A (en) |
-
1951
- 1951-11-26 GB GB2771151A patent/GB688019A/en not_active Expired
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