Patent US4153088A successfully refreshed from Google Patents.
US4153088A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic log splitter attachment for farm tractors and industrial tractors
Assignee: Individual
•
Filing: 1977-06-30
•
Granted: 1979-05-08
•
Expires: 1997-06-30
Abstract
Abstract An accessory for attachment to a tractor and in which is used to split logs effortlessly and quickly; the accessory including a hydraulically operated ram that pushes a log against a stationary wedge that splits the log, and the accessory being mounted on a frame movable upon wheels.
Inventors
- 👤 William L. King
- 👤 William U. King
- 👤 George Spector
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:48
CPC Classifications
B; B27; B27L; B27L7/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
208 words
In a hydraulic log splitter attachment, the combination of a frame with an upper surface comprised of a pair of opposing parallel, spaced apart metal channels with web members separated by a row of inclined spaced apart spacers welded to said web members, one end of said frame supported upon legs having wheels, and opposite end of said frame having a bolt mounting opening therethrough for attachment to a tractor or other hydraulic power source, a hydraulic cylinder mounted axially upon said opposite end of said frame, a ram and a piston rod connected to said hydraulic cylinder, said cylinder having hydraulic lines extending therefrom for connection to said power source, the first said end of said frame adjustably supporting a splitter block having downward inclined feet for placement selectively between said spacers, and said splitter block being wedge-shaped with a blade edge thereof facing toward said ram, said ram slidably engaging said frame, so to force a cord wood log placed between said ram and said splitter block against said splitter block blade edge so to split said log, said block having a lower surface engaging said upper surface for support, including means on said block to cut the log at right angles to said blade edge.
Claim 2
Dependent Claim
208 words
In a hydraulic log splitter attachment, the combination of a frame with an upper surface comprised of a pair of opposing parallel, spaced apart metal channels with web members separated by a row of inclined spaced apart spacers welded to said web members, one end of said frame supported upon legs having wheels, and opposite end of said frame having a bolt mounting opening therethrough for attachment to a tractor or other hydraulic power source, a hydraulic cylinder mounted axially upon said opposite end of said frame, a ram and a piston rod connected to said hydraulic cylinder, said cylinder having hydraulic lines extending therefrom for connection to said power source, the first said end of said frame adjustably supporting a splitter block having downward inclined feet for placement selectively between said spacers, and said splitter block being wedge-shaped with a blade edge thereof facing toward said ram, said ram slidably engaging said frame, so to force a cord wood log placed between said ram and said splitter block against said splitter block blade edge so to split said log, said block having a lower surface engaging said upper surface for support, including means on said block to cut the log at right angles to said blade edge.
Claim 3
Dependent Claim
61 words
The combination as set fourth in claim 1, wherein said means are a pair of similar wedges having auxillary blades at right angle to said splitter block blade edge are mounted on opposite sides of said block, including coacting means on said similar wedges and block for setting said auxilliary blades at selected positions above said lower surface of said block.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-05-07 | 1982-11-06 | 1983-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-05-07 | 1986-11-06 | 1987-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-05-07 | 1990-11-06 | 1991-05-08 | $7700.00 | Window Closed / Lapsed |