GB302421A - Emergency brake for motor driven road vehicles - Google Patents
Emergency brake for motor driven road vehiclesInfo
- Publication number
- GB302421A GB302421A GB2533027A GB2533027A GB302421A GB 302421 A GB302421 A GB 302421A GB 2533027 A GB2533027 A GB 2533027A GB 2533027 A GB2533027 A GB 2533027A GB 302421 A GB302421 A GB 302421A
- Authority
- GB
- United Kingdom
- Prior art keywords
- block
- wheel
- arms
- raised position
- emergency brake
- 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
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/12—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting otherwise than by retarding wheels, e.g. jet action
- B60T1/14—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting otherwise than by retarding wheels, e.g. jet action directly on road
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
- Braking Arrangements (AREA)
Abstract
302,421. Poggioli, L. Sept. 26, 1927. Skid.-An emergency brake for motor road vehicles comprises one or more wedge blocks carried by a support rotatably mounted upon the hub of the rear wheel and adapted on release to fall into engagement between the wheel and the road, spring means being provided for maintaining the block clear of the wheel tyre when in the raised position. As shown in Figs. 1 and 2, the block 1 is carried by a pair of arms 2 rotatably mounted on the hub 5 of the wheel 6. The block comprises a trough shaped inner part 9 secured to an outer part 10 and the inwardly bent ends 13 of the arms 2 pass through slots 12 in the part 9. Springs 15 disposed between the ends 13 of the arms and the block hold the block normally out of contact with the wheel tyre 7. The block is held in the raised position by a cable 16 connected to a band lever in the driver's cab. A cable 20 limits the movement of the block when lowered. A second block may be provided for braking forward movement of the vehicle. Fig. 4 shows a block 1 which is adapted to be lowered in either direction as desired by the corresponding movement of a sliding rod 23 provided with a fork 22 with which normally engages a pin 21 on the block. A chain may be attached to the pin 21 and extended to the driver's cab, for retarding the block to the raised position. The blocks may be fitted with rollers to contact with the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2533027A GB302421A (en) | 1927-09-26 | 1927-09-26 | Emergency brake for motor driven road vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2533027A GB302421A (en) | 1927-09-26 | 1927-09-26 | Emergency brake for motor driven road vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB302421A true GB302421A (en) | 1928-12-20 |
Family
ID=10225930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2533027A Expired GB302421A (en) | 1927-09-26 | 1927-09-26 | Emergency brake for motor driven road vehicles |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB302421A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3086619A (en) * | 1960-10-07 | 1963-04-23 | Grotz Mike Eugen | Automatic chocking device |
-
1927
- 1927-09-26 GB GB2533027A patent/GB302421A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3086619A (en) * | 1960-10-07 | 1963-04-23 | Grotz Mike Eugen | Automatic chocking device |
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