Cage for cylindrical rolling elements, more particularly needle cage

• US 3,110,529 A
• Filed: 06/21/1961
• Issued: 11/12/1963
• Est. Priority Date: 06/25/1960
• Status: Expired due to Term

• Current Assignee: Georg Schaeffler
• Original Assignee: Georg Schaeffler
• Inventors: GEORG SCHAEFFLER
• Application Number:
  US04/118,659
• Time in Patent Office: 874 Days
• US Class Current: 384/580
• CPC Class Codes: F16C 19/463 consisting of needle rollers held in a cage, i.e. subunit without race rings
• CPC Class Codes: F16C 33/541 Details of individual pockets, e.g. shape or roller retaining means
• CPC Class Codes: F16C 33/543 from a single part

Claims

1. THE COMBINATION OF A CYLINDRICAL BEARING CAGE AND ROLLING ELEMENTS, SAID CAGE COMPRISING A PAIR OF PARALLEL END RINGS, A PLURALITY OF PARALLEL WEBS INTERCONNECTING SAID END RINGS AND THEREBY FORMING A PLURALITY OF SPACED WINDOWS TO INDIVIDUALLY HOLD THE ROLLING ELEMENTS PARTLY INSIDE AND PARTLY OUTSIDE A PITCH CIRCLE AND EXTENDING PARALLEL TO THE AXIS OF THE CAGE, BENT-OVER PORTIONS CONNECTING SAID FIRST-MENTIONED PORTIONS WHICH LATTER BEING OF GREATER WIDTH THAN THE BENT-OVER PORTIONS AND THE AXIALLY PARALLEL GUIDING OF THE ROLLING ELEMENTS BEING EFFECTED EXCLUSIVELY BY THE WEB PORTIONS ARRANGED ON ONE SIDE OF THE PITCH CIRCLE, THE PARALLEL WEB PORTIONS WHICH EFFECT THE GUIDING OF BOTH THE ROLLING ELEMENTS AND THE CAGE HAVING GUIDE SURFACES WHICH PROJECT BETWEEN THE WEB AND THE ROLLING ELEMENT AND ACCURATELY DETERMINE THE SPACINGS BETWEEN THE WEB PORTIONS OF ADJACENT WEBS, SAID GUIDE SURFACES FORMING WEDGE-SHAPED OPENINGS TOGETHER WITH THE ROLLING ELEMENTS IN THE DIRECTION OF ROTATION OF THE ROLLING ELEMENTS.