Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Derrick crane










Image Number 3 for United States Patent #7441670.

The invention relates to a derrick crane having a main boom and having a derrick boom which are connected to one another by a stay cable to guy the main boom, having an auxiliary tip adjoining the main boom and a stay cable for its guying. In accordance with the invention, the stay cable of the auxiliary tip engages at the auxiliary tip at the one end and at the stay cable of the main boom at the other end.








 
 
  Recently Added Patents
Clamp for fence panels
Method and system for video parameter analysis and transmission
Electric washing machine
Method and system for detecting center pivot collision
Visually tracking an object in real world using 2D appearance and multicue depth estimations
Methods of operating non-volatile memory devices during write operation interruption, non-volatile memory devices, memories and electronic systems operating the same
Image sensor with improved color crosstalk
  Randomly Featured Patents
Process for establishing the driving direction of a vehicle with an electronic compass
Method and apparatus for identifying selected portions of a video stream
Rotary hanger device
Image reading apparatus, control method therefor, and program
Method of manufacturing a nonvolatile memory
Memory chip retainer for a data storage cartridge
Vehicle towing notification sign
Alternating aperture phase shifting photomask with improved intensity balancing
System for anchoring tissue to bone
Tray assembly having hinged dividers