IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0874294
(1992-04-24)
|
발명자
/ 주소 |
- Stearns Ralph A. (Bozrah CT)
|
출원인 / 주소 |
- Spirol International Corporation (Danielson CT 02)
|
인용정보 |
피인용 횟수 :
7 인용 특허 :
0 |
초록
▼
A linear vibratory feeder having a base, an overlying track support plate and a counterweight with an internal structure between the base and support plate and a pair of outer side plates secured to each of a plurality of separate, longitudinally spaced parts of the internal structure. A first pair
A linear vibratory feeder having a base, an overlying track support plate and a counterweight with an internal structure between the base and support plate and a pair of outer side plates secured to each of a plurality of separate, longitudinally spaced parts of the internal structure. A first pair of vertical, relatively flexible, flat leaf springs extend between the base and internal structure and a second pair of generally upright but slightly inclined, flat leaf springs extend between the internal structure and support plate. The first and second pairs of leaf springs are mounted in overlapping relationship to provide a low profile feeder and a short moment arm between the centers of gravity of the upper support plate assembly and counterweight.
대표청구항
▼
In a vibratory feeder for feeding parts in a forward direction along a longitudinally extending axis of feed, comprising a base, a track support overlying the base, a counterweight located at least in part, between the base and overlying track support, a plurality of first, longitudinally spaced, ge
In a vibratory feeder for feeding parts in a forward direction along a longitudinally extending axis of feed, comprising a base, a track support overlying the base, a counterweight located at least in part, between the base and overlying track support, a plurality of first, longitudinally spaced, generally upright leaf springs mounting the counterweight on the base, a plurality of second, longitudinally spaced, generally upright leaf springs mounting the track support on the counterweight, said first and second leaf springs permitting longitudinally vibratory motion of the track support generally parallel to but inclined upwardly from the longitudinally extending axis of feed and longitudinal vibratory motion of the counterweight in generally 180°out-of-phase synchronism with the vibratory motion of the track support, the vibratory feeder having an electromagnet, with separate coil assembly and armature parts, for vibrating the track support and counterweight in said generally 180°out-of-phase synchronism, one of said parts of the electromagnet being mounted on the track support and the other of said parts forming part of the counterweight; the improvement wherein the counterweight has a sandwich construction comprising an internal structure between the base and overlying track support and a pair of outer, longitudinally extending, side plates secured to opposite lateral sides of said internal structure to form an integrated, rigid counterweight, wherein said internal structure comprises a plurality of separate, longitudinally spaced parts secured to the side plates, wherein said first generally upright leaf springs extend between the base and said internal structure to support the counterweight on and close to the base and wherein said second generally upright leaf springs are longitudinally spaced from and overlap, in a direction normal to the axis of feed, at least a substantial portion of the first generally upright leaf springs and extend between the track support and said internal structure to support the track support on and close to the counterweight. *** BRS DOCUMENT BOUNDARY ***
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