Resources Contact Us Home
Counter-rotating twin shaft system for gardening machines

Image Number 3 for United States Patent #5224552.

A gardening utility machine having a counter-rotation twin shaft system can perform multiple types of work required for gardening (tilting, soil removal, weeding, racking and shredding of leaves), snow/ice removal and for power de-thatching and mowing of lawn grass. This can be done by exchanging attachments on the counter-rotating twin shafts: if tines are installed on the twin shafts, soil tilling, weeding can be done; if auger blades with or without digging bits are in place instead, the machine can simultaneously till and remove soil or can remove ice/snow, or rack and shred leaves; if the front shaft is installed with a spiked roller and the rear shaft, a shearing reel, then the machine can power de-thatch and mow grass at the same time, and, additional grass clipping mulching ability can be performed if a fan blower equipped with a mulching fan blade and a retractable bedknife is in place.

  Recently Added Patents
Scalable pixel coverage function-map
Display screen with an animated graphical user interface
Electronic device with embedded antenna
Cryptographically generated addresses using backward key chain for secure route optimization in mobile internet protocol
Buffering stop structure and corresponding packing case
TPO compositions, articles, and methods of making the same
  Randomly Featured Patents
Continuous power bus for seat power
Mounting apparatus
Persistent event-management access in a mobile communications device
One-piece rainsuit and face mask
Self-test circuit and memory device incorporating it
Binocular vision assessment and/or therapy
Air inflation tube of a mini-size air pump
Camera, exchangeable lens, and camera system
Tire with outer carbon black reinforced rubber strip for static reduction
Self-calibrating optical fiber switch