Source: https://patents.google.com/patent/US7520685?oq=U.S.+patent+number+7%2C325%2C728
Timestamp: 2018-02-18 05:38:08
Document Index: 173119681

Matched Legal Cases: ['§ 119', 'Application No. 2005', 'art 312', 'art 385', 'art 378', 'art 312', 'art 312', 'art 312', 'art 312']

US7520685B2 - Security camera - Google Patents
US7520685B2
US7520685B2 US11367323 US36732306A US7520685B2 US 7520685 B2 US7520685 B2 US 7520685B2 US 11367323 US11367323 US 11367323 US 36732306 A US36732306 A US 36732306A US 7520685 B2 US7520685 B2 US 7520685B2
US11367323
US20070041727A1 (en )
A security camera includes a camera unit, and a top plate rotatably supporting the camera unit. A movable circuit board is disposed above the top plate. A fixed circuit board is rotatably disposed to be spaced from the movable circuit board by a predetermined gap. An electric wire electrically connects the movable circuit board and the fixed circuit board. A slip ring substantially prevents the connection electric wire from being twisted by rotational movement of the movable circuit board. A connection unit supports the slip ring and rotatably supports the top plate.
This application claims the benefit under 35 U.S.C. § 119(a) from Korean Patent Application No. 2005-76484, filed on Aug. 19, 2005, the entire content of which is hereby incorporated by reference.
A first feature of the present invention is to provide a security camera in which connection of electric wires connected between a fixed circuit board installed inside a base fixed to a ceiling or the like and a movable circuit board provided on a rotatable plate rotating a camera module may be performed more efficiently.
Hereinafter, detailed configurations of a security camera in accordance with exemplary embodiments of the present invention are described in detail with reference to the accompanying drawings.
The bearing holder 330 has a bearing holder body engagement protrusion 331 a brought into contact with one end of the bearing 301 to prevent further insertion thereof when being inserted in an inner surface of the bearing 301 to a predetermined depth. A bearing holder body 331 has a substantially cylindrical shape with one end open and a bearing holder connection surface 333 formed at the other end of the bearing holder body 331. Fixture holes 333 c and a through hole 333 a are formed in a center portion of the bearing holder body 331. The bearing holder 330 is connected to the top plate 101 by screwing fixture screws 302 into the fixture holes 333 c.
The bearing cover 350 has a bearing cover body 351 inserted in the inner surface of the bearing holder body 331 and has a substantially cylindrical shape with one end open. A bearing cover connection surface 353 has fixture holes 353 a and a through hole 353 b formed in a center portion thereof and that is brought into contact with and combined with the bearing holder connection surface 333 via fixture screws 321. A bearing support projection 355 is formed at a lower end portion of the bearing cover body 351 to support the one end of the bearing 301. Fixture holes 333 b are formed in the bearing holder connection surface 333 corresponding to the fixture holes 333 b.
The slip ring holder 380 has a slip ring holder body 381 inserted in the inner surface of the bearing support part 312 and having a substantially cylindrical shap with its upper and lower ends open. A slip ring fixing part 385 is disposed in a center portion of the slip ring holder body 381 to receive the slip ring 370 therein and has support protrusions 383 formed at one end thereof to support the slip ring 370. On one end portion of the slip ring holder body 381, a bearing support projection 382 extends upwardly to supports the one end of the bearing 301. Preferably, the outer diameter of the slip ring holder body 381 is formed to be substantially identical to that of the bearing 301.
Next, the support protrusions 383 of the slip ring holder 380 are inserted in the insertion holes 378 a formed in the flange part 378 of the slip ring 370. When the engagement protrusion 383 b of the slip ring holder 380 is pressed into the insertion hole 378 a, the two halves of the support protrusion 383 slit by the slit 383 a become closer. After the engagement protrusion 383 b passes through the insertion hole 378 a, the two halves of the support protrusion 383 return back to their initial positions. Therefore, the slip ring 370 is not detached from the slip ring holder 380 because the insertion holes 378 a are restrained by the engagement protrusions 383 b.
After the slip ring 370 and slip ring holder 380 are connected into one body as described above, the assembly body formed by assembling the bearing holder 330, the bearing 301 and the bearing cover 350 sequentially is inserted inside of the bearing support part 312 of the gear pan 310. At this time, the outer surface of the bearing 301 is snugly fit onto the inner surface of the bearing support part 312.
Referring to FIGS. 7 and 10, when the slip ring holder body 381 is inserted inside of the bearing support part 312, the outer surface of the slip ring holder body 381 contacts the support protrusion 319 b of the support member 319. Therefore, the support members 319 are resiliently bent in an outward direction (‘→’ direction of FIG. 10) from the center of the gear pan 310. When the slip ring holder body 381 is completely inserted in the bearing support part 312, the outer surface of the slip ring holder body 381 is separated from the support protrusions 319 b, so that the support members 319 are returned back to their initial positions, thereby causing the support protrusions 319 b to support the end of the slip ring holder body 381. Therefore, the slip ring holder 380 is assembled with the gear pan 310 into one body. The support projections 387 disposed at the end portion of the slip ring holder body 381 a are received by the grooves 318 a formed in end portion of the gear pan 310 (FIG. 8).
the outer surfaces of the bearing and the slip ring holder body contact the inner surface of the bearing support part.
US11367323 2005-08-19 2006-03-06 Security camera Expired - Fee Related US7520685B2 (en)
KR20050076484A KR100718088B1 (en) 2005-08-19 2005-08-19 Security camera
KR2005-0076484 2005-08-19
US20070041727A1 true US20070041727A1 (en) 2007-02-22
US7520685B2 true US7520685B2 (en) 2009-04-21
ID=37738462
US11367323 Expired - Fee Related US7520685B2 (en) 2005-08-19 2006-03-06 Security camera
US (1) US7520685B2 (en)
KR (1) KR100718088B1 (en)
CN (1) CN100438574C (en)
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Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:LEE, WOON-HO;REEL/FRAME:017655/0278