Industry Patents
Patent: 10799809
Lift Assembly Systems and Methods
(Click image for PDF of full patent)
| Patent Number: |
10799809 |
| Title: |
Lift Assembly Systems and Methods |
| Abstract: |
A lift system comprises a drum that rotates about an axis, an elongate
member that winds around the drum when the drum rotates in a first
direction and that unwinds from the drum when the drum rotates in a
second direction, a drive mechanism operable to rotate the drum, and a
braking mechanism adapted to inhibit rotation of the drum. The braking
mechanism includes a brake disk rotatable with the drum, a movable brake
pad, and a ramp that guides movement of the movable brake pad. A method
of operating the lift system comprises rotating the drum in a first
direction to wind the elongate member onto the drum, rotating the drum in
a second direction to unwind the elongate member from the drum, and
moving the brake shoe along the ramp to thereby cause the movable brake
pad to be compressed against the brake disk.
|
| Country of Issue: |
US |
| First Named Inventor: |
Hoffend |
| Assignee: |
Electronic Theatre Controls |
| Continuation or Divisional of: |
10328358 |
| International Classification: |
A63J 1/02 |
| US Classification: |
A63J 1/028 |
| Issue Date: |
10-13-2020 |
| Filing Date: |
06-14-2019 |
| Application : |
16/441275 |
| Notes: |
|
| Link to Patent at freepatentsonline.com: |
10799809 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
10799809 at Google Patents |
1. The Google Patents and World Patent Family links will likely not work until a few weeks
after the patent has issued - they take a while to get new patents in their systems.
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