Machine element or mechanism – Mechanical movements – Reciprocating or oscillating to or from alternating rotary
Patent
1990-02-28
1992-05-05
Herrmann, Allan D.
Machine element or mechanism
Mechanical movements
Reciprocating or oscillating to or from alternating rotary
74 178, 74566, 277 80, 384 45, 403 80, F16H 2702, F16J 900, F16B 710
Patent
active
051097206
ABSTRACT:
A nut block, which is driven by a feed screw shaft and which is movable axially within a guide rail having a U-shaped cross section, is provided with extending portions extending laterally from both upper side portions thereof. The extending portions are positioned near the upper surfaces of both side walls of the guide rail to cover these upper surfaces. A flexible seal plate of a magnetic material is provided to cover the whole length of the opening in the guide rail. The seal plate forms an expanded portion expanding upwardly at a portion corresponding to the nut block with the movement of the nut block. The seal plate has opposite ends respectively fixed to opposite axial ends of the guide rail. Both edge portions of the seal plate are attracted to rubber magnets mounted on the upper surfaces of the side walls of the guide rail.
REFERENCES:
patent: 1937985 (1933-12-01), Schnuck
patent: 2303438 (1942-12-01), Cornelius
patent: 3820446 (1974-06-01), Granbom et al.
patent: 4481869 (1984-11-01), Garlapaty
patent: 4512208 (1985-04-01), Lipinski et al.
patent: 4552483 (1985-11-01), Anderka et al.
patent: 4582371 (1986-04-01), Mottate
patent: 4616885 (1986-10-01), Komiya
patent: 4704913 (1987-11-01), Zimmer
patent: 4706510 (1987-11-01), Zimmer
patent: 4859085 (1989-08-01), Buessinger et al.
Herrmann Allan D.
Laub David W.
Nippon Seiko Kabushiki Kaisha
LandOfFree
Feed unit apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Feed unit apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Feed unit apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1404863