US3561741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ring gear and mounting assembly therefor
Assignee: Rexnord Industries LLC
•
Filing: 1969-05-12
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Granted: 1971-02-09
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Expires: 1989-05-12
Abstract
Abstract A ring gear for driving a rotary apparatus that has an annular flange including radially elongated slots and the gear is bolted to the apparatus along the elongated slots to enable the apparatus to expand and contract, or otherwise deform, without distorting the ring gear.
Inventors
- 👤 William S Richardson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:48
CPC Classifications
F; F27; F27B; F27B7/00; F27B7/20; F27B7/22; F27B2007/2246; F27B2007/2273; F27B7/26; F27B2007/261; F27B2007/262; F27B2007/265; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19851; Y10T74/1986; Y10T74/1987; Y10T74/19893; Y10T74/19921; Y10T74/19926; Y10T74/1994
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
69 words
In a ring gear of the type have an inner annular flange which is to be joined by connecting bolts to an apparatus to be driven by the ring gear, the improvement wherein: a plurality of slots are defined in the flange of the ring gear, there being one slot for each connecting bolt; and each slot is radially elongated to accommodate radial movement of a connecting bolt therein.
Claim 2
Dependent Claim
69 words
In a ring gear of the type have an inner annular flange which is to be joined by connecting bolts to an apparatus to be driven by the ring gear, the improvement wherein: a plurality of slots are defined in the flange of the ring gear, there being one slot for each connecting bolt; and each slot is radially elongated to accommodate radial movement of a connecting bolt therein.
Claim 3
Dependent Claim
48 words
A ring gear according to claim 1, wherein each slot comprises a generally U-shaped opening comprising spaced parallel straight sidewalls with their inner ends opening onto the innermost periphery of said annular flange of the ring gear, and an end wall connecting the opposite ends of the sidewalls.
Claim 4
Independent Claim
97 words
An apparatus of the type including (1) a rotary apparatus including an annular flange, (2) a ring gear encircling the apparatus for driving it and having an annular gear flange, and (3) connecting bolts extending between the annular flange of the apparatus and the gear flange for connecting the gear to the apparatus, the improvement wherein: (1) the ring gear includes a plurality of slots defined along the gear flange, there being one slot for each connecting bolt, and each slot is radially elongated; and the connecting bolts are adapted to radial movement within the elongated slots.
Claim 5
Independent Claim
97 words
An apparatus of the type including (1) a rotary apparatus including an annular flange, (2) a ring gear encircling the apparatus for driving it and having an annular gear flange, and (3) connecting bolts extending between the annular flange of the apparatus and the gear flange for connecting the gear to the apparatus, the improvement wherein: (1) the ring gear includes a plurality of slots defined along the gear flange, there being one slot for each connecting bolt, and each slot is radially elongated; and the connecting bolts are adapted to radial movement within the elongated slots.
Claim 6
Dependent Claim
44 words
Apparatus according to claim 3, further including a spacer member inserted in each elongated slot and through which each connecting bolt extends, said spacer member including sidewalls arranged to engage sidewalls of the slots during radial movement of the connecting bolts within the slot.
Claim 7
Dependent Claim
73 words
Apparatus according to claim 4, further including a washer on each connecting bolt, said washer having a flat head portion and a circumferential flange extEnding thereabout, said circumferential flange being larger than the spacer member in each slot and adapted to contact the gear flange during installation and alignment of the gear, and said head of each washer being adapted to contact an end of a spacer member after installation of the apparatus.
References Cited (Backward Citations)
US1237443A
Cited
US1457525A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |