GB443807A - Improvements in or relating to braking apparatus for trailer vehicles - Google Patents
Improvements in or relating to braking apparatus for trailer vehiclesInfo
- Publication number
- GB443807A GB443807A GB7417/35A GB741735A GB443807A GB 443807 A GB443807 A GB 443807A GB 7417/35 A GB7417/35 A GB 7417/35A GB 741735 A GB741735 A GB 741735A GB 443807 A GB443807 A GB 443807A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lever
- brakes
- extension
- trailer
- cable
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
- B60T7/20—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger specially for trailers, e.g. in case of uncoupling of or overrunning by trailer
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Control Valves For Brake Systems (AREA)
- Regulating Braking Force (AREA)
- Transmission Of Braking Force In Braking Systems (AREA)
- Braking Systems And Boosters (AREA)
Abstract
443,807. Trailer vehicle brakes. PROJECTILE & ENGINEERING CO., Ltd., New Road, Wandsworth Road, London. Sept. 4, 1934, No. 7417/35. Divided out of and addition to 443,784 under which a Specification was laid open to inspection under Sect 91 of the Acts, Sept. 30, 1935. [Class 103 (i)] Brake mechanism for trailer vehicles wherein the brakes are applied by the thrust-pressure or overrun of the trailer when the towing vehicle is retarded and in which a non-fluid shockabsorber is provided for ensuring smooth operation of the brakes as described in the parent Specification is adapted for two-wheeled vehicles. The draw-bar 1 is connected by a link 3 and a lever 4 to an extension 2 of the undercarriage, the lever 4 being connected by a cable 19 to the brakes. The shock-absorber comprises a damper-bar 8 attached to the drawbar and slidable between spring-pressed jaws 9 adjustable by nuts 10, the lower jaw being attached at 14 to the extension 2 or to the axle. The brake may also be applied by hand by a lever 22 mounted on the pivot 13 of the lever 4 but offset from that lever as shown in Fig. 4 and having a lateral extension 23 for engagement with that lever. The lever moves between a bracket 20 and a ratchet 18 with which a locking pawl 27 engages. To prevent application of the brakes as during reverse movement of the vehicle, an arm 15 of the link 3 has a hole through which an L-shaped pin 26 can be inserted for engaging the extension 2. Accidental disengagement of the pin is prevented by a projection thereon which is passed through an extension 25 of the hole 24. The brakes may be operated from the driver's cab by a cable attached to the cable 19.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE443784X | 1934-03-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB443807A true GB443807A (en) | 1936-03-04 |
Family
ID=6531477
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB35720/35A Expired GB443834A (en) | 1934-03-28 | 1934-09-04 | Improvements in or relating to braking apparatus for trailer vehicles |
GB7417/35A Expired GB443807A (en) | 1934-03-28 | 1934-09-04 | Improvements in or relating to braking apparatus for trailer vehicles |
GB25448/34A Expired GB443784A (en) | 1934-03-28 | 1934-09-04 | Improvements in or relating to braking apparatus for trailer vehicles |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB35720/35A Expired GB443834A (en) | 1934-03-28 | 1934-09-04 | Improvements in or relating to braking apparatus for trailer vehicles |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB25448/34A Expired GB443784A (en) | 1934-03-28 | 1934-09-04 | Improvements in or relating to braking apparatus for trailer vehicles |
Country Status (1)
Country | Link |
---|---|
GB (3) | GB443834A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0426922A1 (en) * | 1989-11-06 | 1991-05-15 | Christian Hervier | Brake lever with four-bar linkage and with self assistance for trailer |
-
1934
- 1934-09-04 GB GB35720/35A patent/GB443834A/en not_active Expired
- 1934-09-04 GB GB7417/35A patent/GB443807A/en not_active Expired
- 1934-09-04 GB GB25448/34A patent/GB443784A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB443784A (en) | 1936-03-04 |
GB443834A (en) | 1936-03-06 |
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