GB280720A - Improvements in vehicle brake mechanism - Google Patents
Improvements in vehicle brake mechanismInfo
- Publication number
- GB280720A GB280720A GB3032126A GB3032126A GB280720A GB 280720 A GB280720 A GB 280720A GB 3032126 A GB3032126 A GB 3032126A GB 3032126 A GB3032126 A GB 3032126A GB 280720 A GB280720 A GB 280720A
- Authority
- GB
- United Kingdom
- Prior art keywords
- brake
- plate
- fork
- arm
- pin
- 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
- F16D51/46—Self-tightening brakes with pivoted brake shoes, i.e. the braked member increases the braking action
- F16D51/54—Self-tightening brakes with pivoted brake shoes, i.e. the braked member increases the braking action with three or more brake-shoes, at least two of them being linked or directly interacting
- F16D51/56—Self-tightening brakes with pivoted brake shoes, i.e. the braked member increases the braking action with three or more brake-shoes, at least two of them being linked or directly interacting mechanically actuated
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
280,720. Clark, D'A. M., (Bendix Brake Co.). Nov. 30, 1926. Shoes acting on drums; compensating for wear.-In an internal expanding brake mechanism for vehicles of the kind in which the clearance of one or more of the brake shoes is determined by means of a self-adjusting stop co-operating with a frictional clamping-device, an angularly movable forked blade 52 mounted on the barking plate 12 is arranged to embrace a part movable with one or more of the brake shoes, e.g. the pivot pin 20 between two shoes 14, 16, one arm 50 of the fork being engaged by the part 20 when the brake is applied and the other arm 50 being engaged, after a short lost motion, when the brake is released. In the construction shown, the stop or fork 52 is pivoted on a stem 54, Fig. 4, and frictionally clamped to the plate 12 by a nut 56. When the brake is applied the pin 20 engages one arm of the fork and moves it forwardly until the full braking pressure is exerted; when the brake. is released, the pin 20, after a short lost motion, engages the opposite arm of the fork and is held thereby, as the return springs 26, 30 are unable to overcome the frictional resistance provided by the nut 56. The space between the arms 50 exceeds the diameter of the pin 20 so that the amount of lost motion permitted determines the clearance of the shoe 16 in the released position. In order to allow the operating cam 28 automatically to centre itself, the cam spindle passes through a shiftable bracket 36, Fig. 2, secured to the plate 12 by two bolts 39, 42, one, 39, of which is fixed to the plate 12 and passes through an enlarged hole 39a in the bracket 36, while the other, 42, is fixed to the bracket 36 and passes through an elongated slot 44 in the plate 12.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3032126A GB280720A (en) | 1926-11-30 | 1926-11-30 | Improvements in vehicle brake mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3032126A GB280720A (en) | 1926-11-30 | 1926-11-30 | Improvements in vehicle brake mechanism |
Publications (1)
Publication Number | Publication Date |
---|---|
GB280720A true GB280720A (en) | 1927-11-24 |
Family
ID=10305780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3032126A Expired GB280720A (en) | 1926-11-30 | 1926-11-30 | Improvements in vehicle brake mechanism |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB280720A (en) |
-
1926
- 1926-11-30 GB GB3032126A patent/GB280720A/en not_active Expired
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