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특허 상세정보

Grand piano action cradle

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-003/02   
미국특허분류(USC) 280/42 ; 280/4734 ; 280/791 ; A ; 248/1884
출원번호 US-0918044 (1986-10-14)
발명자 / 주소
인용정보 피인용 횟수 : 16  인용 특허 : 0
초록

The invention comprises a pair of horizontal runners held above a foldable X-frame dolly by means of adjustable vertical supports to provide placement of the tops of the runners at the exact height of the action bed of a grand piano to allow the piano\s action to be drawn directly out upon the runners, supported by the assembly, and moved about for servicing without the need of ever lifting the action, and to be re-installed in the piano in the same manner.

대표
청구항

In a device for supporting the action of a grand piano, a combination comprising two crossed horizontal members supported at their four ends by casters, pivoted at their common centers by a bolt, and having threaded flanges attached to their upper surfaces, four vertical supports of tubular material having threaded collars at their lower ends mating with said threaded flanges, four threaded studs each extending from the upper end of one of said supports, held in place by a tension spring engaged between an eye in the lower end of said threaded stud and a...

이 특허를 인용한 특허 피인용횟수: 16

  1. Edward McNulty. Apparatus and method for raising buried housings. USP2002106464431.
  2. Yehuda Einav IL. CPU supporting assembly. USP2002076419198.
  3. Bernal, Andres; Buttazzoni, Luca. Castor assembly for a modular dolly. USP2014108850656.
  4. Bernal, Andres; Buttazzoni, Luca. Castor assembly for modular dolly and kit. USP2016059340222.
  5. Buttazzoni, Luca; Bernal, Andres. Castor supported dolly assembly capable of being made from lightweight materials and of being used as a pallet assembly. USP2016089409585.
  6. Bernal, Andres; Buttazoni, Luca. Castor supported dolly assembly capable of being made from lightweight materials and so as to be disposable or severable. USP2014118876145.
  7. Buttazzoni, Luca; Bernal, Andres. Castor supported dolly assembly capable of being made from lightweight materials and so as to be disposable or severable. USP2014118876127.
  8. Flippin, James Alford. Expandable car jack. USP2018019868620.
  9. Hall, John Ernest. Leveling device for portable stove. USP2017109784453.
  10. Hall, John Ernest. Leveling device for portable stove. USP2014048695931.
  11. Buttazzoni, Luca. Lightweight dolly assembly. USP2014128910955.
  12. Buttazzoni, Luca; Bernal, Andres. Modular dolly kit. USP2014048684372.
  13. Kaufmann David W. (1041 College Claremont CA 91711). Piano truck. USP1990114969657.
  14. Hottmann Philip F. (Cross Plains WI). Refrigerator leveling system. USP1990094955569.
  15. Buttazzoni, Luca; Bernal, Andres. Self-contained dolly assembly. USP2017029566993.
  16. Buttazzoni, Luca; Bernal, Andres. Self-contained dolly assembly. USP2015049010798.