Patent US4216587A successfully refreshed from Google Patents.
US4216587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alignment indicator clamp apparatus
Assignee: Individual
•
Filing: 1979-01-29
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Granted: 1980-08-12
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Expires: 1999-01-29
Abstract
Abstract An alignment indicator clamp apparatus for aligning the working shafts of a motor and a piece of equipment in order to couple them together having shaft engaging members connected by a cable passing through the shaft engaging members and through a cable tightening mechanism and having at least one indicator mounting post.
Inventors
- 👤 Willice D. Stone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:05
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/24; G01B5/25; G01B5/0002; G01B5/0004; Y; Y10; Y10S; Y10S248/00; Y10S248/904
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
219 words
An alignment indicator clamp apparatus for removably and fixedly attaching an alignment indicator to one of two shafts to be aligned, said apparatus comprising upper and lower shaft engaging members each having a shaft engaging surface, said upper shaft engaging member additionally having opposite the shaft engaging surface thereof a cable tightening mechanism including as a portion thereof at least one post for attaching said alignment indicator, said lower shaft engaging member additionally having cable passage means, said upper and lower shaft engaging members being releasably joined for tightening about said one shaft by a cable having fixed stop means at one end thereof and a slidably adjustable stop means so that passage of said cable through a cable passage means of said lower shaft engaging member located substantially opposite said upper shaft engaging member on said one shaft until stopped by said fixed stop means, then upwardly about the circumference of the shaft through said cable tightening mechanism of said upper shaft engaging member and continuing back through another cable passage means of said lower shaft engaging member with attachment and hand tight securing of said slidably adjustable stop means joins said upper and lower shaft engaging members for subsequent tightening of the cable to removably and fixedly attach said alignment indicator clamp apparatus to said one shaft.
Claim 2
Dependent Claim
219 words
An alignment indicator clamp apparatus for removably and fixedly attaching an alignment indicator to one of two shafts to be aligned, said apparatus comprising upper and lower shaft engaging members each having a shaft engaging surface, said upper shaft engaging member additionally having opposite the shaft engaging surface thereof a cable tightening mechanism including as a portion thereof at least one post for attaching said alignment indicator, said lower shaft engaging member additionally having cable passage means, said upper and lower shaft engaging members being releasably joined for tightening about said one shaft by a cable having fixed stop means at one end thereof and a slidably adjustable stop means so that passage of said cable through a cable passage means of said lower shaft engaging member located substantially opposite said upper shaft engaging member on said one shaft until stopped by said fixed stop means, then upwardly about the circumference of the shaft through said cable tightening mechanism of said upper shaft engaging member and continuing back through another cable passage means of said lower shaft engaging member with attachment and hand tight securing of said slidably adjustable stop means joins said upper and lower shaft engaging members for subsequent tightening of the cable to removably and fixedly attach said alignment indicator clamp apparatus to said one shaft.
Claim 3
Dependent Claim
18 words
The apparatus of claim 1 wherein the upper and lower shaft engaging members are sections of angle iron.
Claim 4
Dependent Claim
19 words
The apparatus of claim 1 wherein the upper and lower shaft engaging members are equilateral right angled iron bars.
Claim 5
Dependent Claim
88 words
The apparatus of claim 1 wherein said cable tightening mechanism consists of a threaded rod attached to one of said shaft engaging members, said threaded rod having a longitudinal slot therein, a bearing washer and a threaded adjustment knob on said rod so that after passing said cable over said bearing washer and through the slot and then fixing the cable hand tight, the adjustment knob is turned to take up any slack in the cable and solidly fix said clamp apparatus to the shaft to be aligned.
Claim 6
Dependent Claim
24 words
The apparatus of claim 1 wherein the cable tightening mechanism is further characterized as having said indicator attachment post as an upper section thereof.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-08-12 | 1984-02-11 | 1984-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-08-12 | 1988-02-11 | 1988-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-08-12 | 1992-02-11 | 1992-08-12 | $7700.00 | Window Closed / Lapsed |