IP Library Granted Patent US 8,487,202
Granted Patent B2
US 8,487,202 · App. 13/285,409 · Granted Jul 16, 2013

Mechanical latching unit for a main drive unit

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Quick Facts
Patent No.
US 8,487,202
App. No.
13/285,409
Granted
Jul 16, 2013
Kind
B2
Abstract

A mechanical latching unit for a main drive unit includes a rolling mechanical switch within a housing, with a main roller, a counter roller, a carriage and a carriage trip/locking lever, with a first joint created between the main roller and the first end of the carriage, where by the load of the traction link of the main drive unit carried out to the main roller distributes a primary force component carried out to the counter roller and a secondary force component carried out in a direction to a second end of the carriage, where by the mechanical latching unit includes a force reduction mechanism having at least two force reduction stages, a carrier reset spring fastened to the housing which resets the carriage back to a neutral respectively blocking position, and a lever reset spring which resets the carriage trip/locking lever back to a neutral respectively blocking position.

Claims (27)

1. A mechanical latching unit for a main drive unit comprising:

a rolling mechanical switch within a housing

with a main roller, a counter roller, a carriage, a carriage trip/locking lever and

a first joint created between the main roller and a first end of the carriage,

whereby the load of a traction link of the main drive unit carried out to the main roller distributes a primary force component carried out to the counter roller and a secondary force component carried out in a direction to a second end of the carriage,

whereby the mechanical latching unit comprises:

a force reduction mechanism including at least two force reduction stages,

a carrier reset spring fastened to the housing which resets the carriage back to a neutral respectively blocking position, and

a lever reset spring which resets the carriage trip/locking lever back to a neutral respectively blocking position.

2. The mechanical latching unit, according to claim 1 , comprising:

a second joint between the second end of the carriage and the carriage trip/locking lever.

3. The mechanical latching unit according to claim 2 , wherein at least one part of the carriage is arranged for contacting at least one carriage deflection roller.

4. The mechanical latching unit according to claim 3 , wherein the main roller comprises two contact rollers contacting two separate counter rollers.

5. The mechanical latching unit according to claim 4 , comprising:

a swivel armature of an actuator unit for releasing the carriage trip/locking lever.

6. The mechanical latching unit according to claim 1 , wherein at least one part of the carriage is arranged for contacting at least one carriage deflection roller.

7. The mechanical latching unit according to claim 1 , wherein the main roller comprises two contact rollers contacting two separate counter rollers.

8. The mechanical latching unit according to claim 1 , comprising:

at least one guiding slot implemented in the housing.

9. The mechanical latching unit according to claim 8 , comprising:

at least one guide bolt at the second end of the carriage engages in the guiding slot and a trip force is carried out to the guide bolt in a direction to the guiding slot by the carriage trip/locking lever.

10. The mechanical latching unit, according to claim 8 , comprising:

a second joint between the second end of the carriage and the carriage trip/locking lever.

11. The mechanical latching unit according to claim 10 , wherein at least one part of the carriage is arranged for contacting at least one carriage deflection roller.

12. The mechanical latching unit according to claim 11 , wherein the main roller comprises two contact rollers contacting two separate counter rollers.

13. The mechanical latching unit according to claim 1 , comprising:

a swivel armature of an actuator unit for releasing the carriage trip/locking lever.

Assignments (5)
MERGER Recorded Nov 13, 2023
From: HITACHI ENERGY SWITZERLAND AG
To: HITACHI ENERGY LTD
Reel/Frame 065549/0576 →
CORRECTIVE ASSIGNMENT TO CORRECT THE CONVEYING PARTY NAME PREVIOUSLY RECORDED AT REEL: 040621 FRAME: 0902. ASSIGNOR(S) HEREBY CONFIRMS THE MERGER. Recorded May 11, 2022
From: ABB TECHNOLOGY AG
To: ABB SCHWEIZ AG
Reel/Frame 060385/0907 →
CHANGE OF NAME Recorded Dec 31, 2021
From: ABB POWER GRIDS SWITZERLAND AG
To: HITACHI ENERGY SWITZERLAND AG
Reel/Frame 058666/0540 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 6, 2020
From: ABB SCHWEIZ AG
To: ABB POWER GRIDS SWITZERLAND AG
Reel/Frame 052916/0001 →
MERGER Recorded Nov 15, 2016
From: ABB TECHNOLOGY LTD.
To: ABB SCHWEIZ AG
Reel/Frame 040621/0902 →