IP Library Granted Patent US 7,661,517
Granted Patent B2
US 7,661,517 · App. 11/617,853 · Granted Feb 16, 2010

Pneumatically actuated clutch

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Quick Facts
Patent No.
US 7,661,517
App. No.
11/617,853
Granted
Feb 16, 2010
Kind
B2
Abstract

A clutch assembly having a drive shaft operably connected to a first hub or clutch plate. A second hub or clutch plate adjacent to the first clutch plate and operably connected to a second drive shaft. A release ring positioned to selectively release both clutch plates. Positioned to engage the release ring is a pneumatic actuating member that is operably connected to a source of compressed air.

Claims (14)

1. An actuating system for a planting device, comprising:

a spring actuated clutch having a release ring;

a pneumatic actuating member connected to a source of compressed air through a valve and positioned to engage the release ring;

the source of compressed air being connected to a controller that activates the source of compressed air.

2. The system of claim 1 wherein the controller activates the source of compressed air based on a manual command.

3. The system of claim 1 wherein the controller activates the source of compressed air based on a geographic location determined by a GPS system.

4. An actuating system for a planting device, comprising:

more than one spring actuated clutch, with each clutch having a release ring,

more than one pneumatic actuating member positioned to engage the clutches,

a valve module having more than one valve, the valves connected to the actuating members and a source of compressed air;

a controller connected to the source of compressed air and the valve module that activates the valves and the source of compressed air.

5. The system of claim 4 wherein the valves are connected to more than one actuating member.

6. The system of claim 5 herein the controller activates the compressed air and the valves based on a manual command.

7. The system of claim 5 wherein the controller activates the compressed air and the valves based on geographic location determined by a GPS system.

Assignments (4)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 19, 2024
From: TRIMBLE INC.
To: PTX TRIMBLE LLC
Reel/Frame 067780/0391 →
MERGER Recorded Aug 22, 2023
From: TRIMBLE NAVIGATION LIMITED
To: TRIMBLE INC.
Reel/Frame 064669/0912 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 23, 2009
From: TRU COUNT, INC.
To: TRIMBLE NAVIGATION LIMITED
Reel/Frame 022584/0129 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 9, 2008
From: DILLMAN, JEFFREY D.
To: TRU COUNT, INC.
Reel/Frame 021489/0951 →