GB308354A - Improvements in or relating to expanding block brakes - Google Patents
Improvements in or relating to expanding block brakesInfo
- Publication number
- GB308354A GB308354A GB8903/29A GB890329A GB308354A GB 308354 A GB308354 A GB 308354A GB 8903/29 A GB8903/29 A GB 8903/29A GB 890329 A GB890329 A GB 890329A GB 308354 A GB308354 A GB 308354A
- Authority
- GB
- United Kingdom
- Prior art keywords
- disc
- pieces
- housing
- shoes
- lever
- 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
- F16D65/00—Parts or details
- F16D65/38—Slack adjusters
- F16D65/40—Slack adjusters mechanical
- F16D65/52—Slack adjusters mechanical self-acting in one direction for adjusting excessive play
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
308,354. Knorr-Bremse Akt.-Ges. March 22, 1928, [Convention date]. Compensating for wear.-In an automatic device for adjusting the brake shoes of a drum brake to compensate for wear, the operating cam for the shoes c comprises a cylindrical head or housing on the usual shaft and containing two pieces e the outer faces of which are in contact with the ends of the shoes while the inner faces are inclined and engage a pair of conical discs f respectively screwed on to right- and left-handed threaded portions of a bolt g secured to a ratchet disc i engaged by one end of a cranked lever m mounted on a fixed pivot L A spring n holds the lever in contact with the, disc i. If in applying the brake, the housing and the pieces e have to be turned sufficiently to cause a tooth on the disc i to slip over the end of the lever m, the disc is turned during the return movement relatively to the housing, thereby causing the discs f to be moved towards each other to displace the pieces e radially outwards. The Specification as open to inspection under Sect. 91 (3) (a) states that a hand wheel may be provided for adjusting the disc i. This subjectmatter does not appear in the Specification as accepted.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE308354X | 1928-03-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB308354A true GB308354A (en) | 1930-04-24 |
Family
ID=6121695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8903/29A Expired GB308354A (en) | 1928-03-22 | 1929-03-19 | Improvements in or relating to expanding block brakes |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB308354A (en) |
-
1929
- 1929-03-19 GB GB8903/29A patent/GB308354A/en not_active Expired
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