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|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||E01C-019/40 E01C-019/38 E01C-019/35|
|발명자 / 주소||
|출원인 / 주소||
|대리인 / 주소||
|인용정보||피인용 횟수 : 0 인용 특허 : 10|
A vibration imparting device for a concrete finishing tool utilizing a housing having a chamber surrounded by an inner surface of the housing. A vibrator and a battery are placed within the chamber. The vibrator includes a resilient collar to separate the vibrator from the housing inner surface. First and second adaptors are employed for the housing to be placed between the handle and the terminus of a concrete finishing tool.
1. A vibrator mechanism usable with a concrete finishing tool having a handle and a terminus; comprising: a. a housing, said housing including a chamber therewithin formed by an inner surface of said housing;b. a support said support located within said housing chamber said support including an outer surface and a bore there-through.c. a resilient band at least partially surrounding said outer surface and contacting said inner surface of said housing;d. a rotor located within said bore of said support and being adapted to turn relative to said support, s...