Claims
- 1. A brake comprising a fixed seat (1). friction brake shoe (6a), braking part (2a), braking spring (3a), acting block (13a) and driving block (14a), characterized in that:
{circle over (1)} said acting block (13a) is connected with a driving member (11), {circle over (2)} said driving block (14a) is connected with said braking part (2a), {circle over (3)} said acting block (13a) is matched to an acting face of the driving block (14a), {circle over (4)} one end of the braking spring (3a) is connected to a driven member (9), {circle over (5)} the other end of the braking spring (3a) is connected to the braking part (2a), {circle over (6)} said braking part (2a) is connected with a driven member (9), and connected with the friction brake shoe (6a) in a way of the fitting or disengaging, {circle over (7)} said driving block (14a) is made a fitting or disengaging movement along the radial direction of the rotating driven member (9), the form of the braking part (2a) is a hoof block, and is articulated on the driven member (9) by the support pin (51), said driving block (14a) is fixed on the hoof block.
- 2. A brake according to claim 1, characterized in that said driving blocks (14a) is even arrangement, while said acting block (13a) is served by the front end of the sliding pin (5a), and a rolling part (52) is installed.
- 3. A brake according to claim 1, characterized in that the driving block (14a) is made a fitting or disengaging along a vertical direction of the movement of the driven member (9).
- 4. A brake according to claim 1, characterized in that said braking part (2a) comprises two disc parts, and an intermediate inner disc (29) is provided between friction faces, a sliding connection is achieved between the brake shoe (6a) and a supporting axis (30), said supporting axis (30) is fixedly connected with said fixed seat (1).
- 5. A brake according to claim 4, characterized in that said acting block (13a) is connected with the driving member (11) via a drive gear (36).
- 6. A brake according to claim 4, characterized in that any one of two disc parts comprising said braking part (2a) is dead connected to the driven member (9).
- 7. A brake according to claim 4, characterized in that said braking part (2a) and a disc part connecting to the driven member (9) be joined into an integrative structure via a compensation system (23) and a sliding key (24); a spring (28) is connected to the bottom of a sliding key (24); said braking part (2a) is a disc (21) having inner gear ring; said disc part is a core (22) enabling to set up a compensation system and a sliding key, said compensation system comprising of a notch (27) located at the edge of the core (22), a tooth block (25) having teeth located in the notch and enables to match with said disc, and a spring (27a) located between said tooth block and the bottom of said notch.
- 8. A brake according to claim 1, characterized in that one end face of said acting block (13a) as acting face is matched to said driving block(14a), and another end face of it is matched with a bearing (42).
- 9. A brake according to claim 8, characterized in that further comprise a connecting rod (12), and one end of said connecting rod (12) is linked on an internal dead plate (41).
- 10. A brake according to claim 8, characterized in that said braking part (2a) and the axle sleeve (10) of said driven member (9) is merged into an integrative structure.
- 11. A brake according to claim 8, characterized in that a sliding key (17) is installed between the axle sleeve of a braking part (16) and the axle sleeve of the braking part (2a).
- 12. A brake according claim 8, characterized in that said braking part (2a) and a disc part connecting to the driven member (9) be joined into an integrative structure via a compensation system (23) and a sliding key (24); a spring (28) is connected to the bottom of a sliding key (24); said braking part (2a) is a disc (21) having inner gear ring; said disc part is a core (22) enabling to set up a compensation system and a sliding key, said compensation system comprising of a notch (27) located at the edge of the core (22), a tooth block (25) having teeth located in the notch and enables to match with said disc, and a spring (27a) located between said tooth block and the bottom of said notch.
Priority Claims (2)
Number |
Date |
Country |
Kind |
94111061.3 |
Jul 1994 |
CN |
|
95106603.X |
Jun 1995 |
CN |
|
Parent Case Info
[0001] This is a divisional application relatived to a Continued Prosecution Application (CPA) filed in the United States Patent and Trademark Office in Sep. 8, 2000. The latter initially come of PCT application filed Jun. 30, 1995 and its application number is PCT/CN95/00055 and its Title is BRAKE.
Divisions (1)
|
Number |
Date |
Country |
Parent |
08765994 |
Apr 1997 |
US |
Child |
09994570 |
Nov 2001 |
US |