US3870239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable loading device for garden shredder
Assignee: RED CROSS Manufacturing CORP
•
Filing: 1972-02-03
•
Granted: 1975-03-11
•
Expires: 1992-02-03
Abstract
Abstract A detachable loading ramp for shredders of the type used for lawn materials.
Inventors
- 👤 Robert D Lautzenheiser
- 👤 Jr Howard M Ullman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:56
CPC Classifications
A; A01; A01G; A01G3/00; A01G3/002; B; B02; B02C; B02C18/00; B02C18/06; B02C18/16; B02C18/22; B02C18/2225; B02C18/2291; B02C2201/00; B02C2201/06; B02C2201/066
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
221 words
In a shredding and bagging machine for yard usage, the combination comprising a base of shallow cup shape having a bottom wall and a circular side wall defining a shreddiNg chamber, transport means for supporting the base in horizontal position slightly upraised above the ground, a cover plate fitted to the base for enclosing the same, an engine mounted on the cover plate and having a drive shaft which extends into the base, a rotor mounted on the shaft including a blade having tip portions extending to the region of the side wall, a plurality of stationary breaker members at spaced positions on the side wall and having horizontal notches formed therein for registering with the tip portions of the blade, means including a discharge conduit penetrating the side wall for forcible discharge of the shredded material, the cover plate having a receptacle for feeding material into the chamber, a ramp of flaring construction having side walls defining a narrow upper end and a wide lower end, and means for securing the ramp with respect to the receptacle so that the narrow end communicates with the receptacle and so that the wide end extends downwardly at a shallow angle into engagement with the ground thereby permitting leaves or the like lying on the ground to be swept upwardly into the receptacle.
Claim 2
Dependent Claim
221 words
In a shredding and bagging machine for yard usage, the combination comprising a base of shallow cup shape having a bottom wall and a circular side wall defining a shreddiNg chamber, transport means for supporting the base in horizontal position slightly upraised above the ground, a cover plate fitted to the base for enclosing the same, an engine mounted on the cover plate and having a drive shaft which extends into the base, a rotor mounted on the shaft including a blade having tip portions extending to the region of the side wall, a plurality of stationary breaker members at spaced positions on the side wall and having horizontal notches formed therein for registering with the tip portions of the blade, means including a discharge conduit penetrating the side wall for forcible discharge of the shredded material, the cover plate having a receptacle for feeding material into the chamber, a ramp of flaring construction having side walls defining a narrow upper end and a wide lower end, and means for securing the ramp with respect to the receptacle so that the narrow end communicates with the receptacle and so that the wide end extends downwardly at a shallow angle into engagement with the ground thereby permitting leaves or the like lying on the ground to be swept upwardly into the receptacle.
Claim 3
Dependent Claim
221 words
In a shredding and bagging machine for yard usage, the combination comprising a base of shallow cup shape having a bottom wall and a circular side wall defining a shreddiNg chamber, transport means for supporting the base in horizontal position slightly upraised above the ground, a cover plate fitted to the base for enclosing the same, an engine mounted on the cover plate and having a drive shaft which extends into the base, a rotor mounted on the shaft including a blade having tip portions extending to the region of the side wall, a plurality of stationary breaker members at spaced positions on the side wall and having horizontal notches formed therein for registering with the tip portions of the blade, means including a discharge conduit penetrating the side wall for forcible discharge of the shredded material, the cover plate having a receptacle for feeding material into the chamber, a ramp of flaring construction having side walls defining a narrow upper end and a wide lower end, and means for securing the ramp with respect to the receptacle so that the narrow end communicates with the receptacle and so that the wide end extends downwardly at a shallow angle into engagement with the ground thereby permitting leaves or the like lying on the ground to be swept upwardly into the receptacle.
Claim 4
Dependent Claim
221 words
In a shredding and bagging machine for yard usage, the combination comprising a base of shallow cup shape having a bottom wall and a circular side wall defining a shreddiNg chamber, transport means for supporting the base in horizontal position slightly upraised above the ground, a cover plate fitted to the base for enclosing the same, an engine mounted on the cover plate and having a drive shaft which extends into the base, a rotor mounted on the shaft including a blade having tip portions extending to the region of the side wall, a plurality of stationary breaker members at spaced positions on the side wall and having horizontal notches formed therein for registering with the tip portions of the blade, means including a discharge conduit penetrating the side wall for forcible discharge of the shredded material, the cover plate having a receptacle for feeding material into the chamber, a ramp of flaring construction having side walls defining a narrow upper end and a wide lower end, and means for securing the ramp with respect to the receptacle so that the narrow end communicates with the receptacle and so that the wide end extends downwardly at a shallow angle into engagement with the ground thereby permitting leaves or the like lying on the ground to be swept upwardly into the receptacle.
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) | 1978-03-10 | 1978-09-09 | 1979-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-10 | 1982-09-09 | 1983-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-10 | 1986-09-09 | 1987-03-11 | $7700.00 | Window Closed / Lapsed |