Fastener driving apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 3, 2013
Grant Date -
May 12, 2011
app pub date -
Sep 10, 2010
filing date -
Nov 11, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A fastener driving apparatus includes a power source, a control circuit, a motor, a first hollow guide member having a first volumetric capacity, a first piston, a linear motion converter, a second hollow guide member having a second volumetric capacity, a second piston, an anvil, a valve arrangement and at least one sensor. The guide members may have an elliptical or oval cross-section. During a compression stroke, the first piston compresses gas in the first hollow guide member. The valve arrangement opens and communicates the compressed gas to the second hollow guide member, causing the second piston to move the anvil to drive a fastener. During a return stroke of the first piston, the valve arrangement opens, communicating a vacuum created in the first hollow guide member to the second hollow guide member, thereby causing the second piston and the anvil to retract to their initial positions.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2010 Application Filing Year
- B27F Class
- 32 Applications Filed
- 17 Patents Issued To-Date
- 53.13 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 25 Citation Count
- B27F Class
- 84.62 % this patent is cited more than
- 12 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Mar 3, 2025 |
