Patent US3848542A successfully refreshed from Google Patents.
US3848542A
Expired / Lapsed
US
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Safety shield
Assignee: Sherman Car Wash Equipment Co
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Filing: 1973-10-15
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Granted: 1974-11-19
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Expires: 1993-10-15
Abstract
Abstract A safety shield which can be mounted on a dolly used in an automobile conveyor. The shield comprises two ears which support a guard. The ears are placed over the existing lugs on the conveyor with the guard adjacent the roller portion of the dolly and the conveyor floor.
Inventors
- 👤 T Schied
- 👤 E Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:06
CPC Classifications
B; B60; B60S; B60S3/00; B60S3/004; B65; B65G; B65G19/00; B65G19/02
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
117 words
A safety shield for a conveyor dolly of the type which comprises two spaced links with upwardly extending lugs, said lugs supporting a shaft on which means for rolling engagement with the wheel of an automobile is mounted, said safety shield comprising first and second ears and a guard, each of said ears being generally U-shaped and comprising two legs which are for overlying the lugs, said legs defining a first slot therebetween for receiving the shaft on which the roller is supported, said first slot being closed at at least one end, and said guard comprises an elongated member, said member being supported by said ears so that it extends along said means for rolling contact.
Claim 2
Dependent Claim
117 words
A safety shield for a conveyor dolly of the type which comprises two spaced links with upwardly extending lugs, said lugs supporting a shaft on which means for rolling engagement with the wheel of an automobile is mounted, said safety shield comprising first and second ears and a guard, each of said ears being generally U-shaped and comprising two legs which are for overlying the lugs, said legs defining a first slot therebetween for receiving the shaft on which the roller is supported, said first slot being closed at at least one end, and said guard comprises an elongated member, said member being supported by said ears so that it extends along said means for rolling contact.
Claim 3
Dependent Claim
23 words
A safety shield as defined in claim 1 wherein said guard is supported by said ears below the horizontal axis of said roller.
Claim 4
Dependent Claim
47 words
A safety shield as defined in claim 1 wherein each of said legs on said ears has a bottom surface, stop members depending from said bottom surfaces, said stop members being operative to engage the links and thereby prevent rotation of said safety shield about said shaft.
Claim 5
Dependent Claim
30 words
A safety shield as defined in claim 1 including means for closing the other end of each of said first slots to retain said ears on a shaft extending therethrough.
Claim 6
Dependent Claim
88 words
A safety shield as defined in claim 4 wherein said closing means includes a second slot in each of said legs in each of said ears, said slots in said legs in each ear being oppositely directed and in communication with the first slot defined therebetween, said second slots being spaced from the closed end of said first slots, and elongated means receivable in said second slots in each of said ears, said last named means being operative to close said first slots in each of said ears.
Claim 7
Dependent Claim
63 words
A safety shield as defined in claim 1 wherein said elongated member comprising said guard has upper and Lower surfaces, said upper surface being directed generally upwardly and toward the axis of the means for rolling engagement, and at least a portion of said lower surface lies in a substantially horizontal plane that passes through the bottom of the means for rolling engagement.
Claim 8
Dependent Claim
25 words
A safety shield as defined in claim 1 wherein said ears have inwardly directed lips which overly the lugs when said shield is mounted thereon.
Claim 9
Dependent Claim
80 words
A safety shield as defined in claim 1 wherein said guard includes two outer portions and an intermediate portion, each of said outer portions connecting said intermediate portion to one of said ears, said intermediate portion and said outer portions having bottom surfaces, and the bottom surface of said intermediate portion is lower than the bottom surface of said outer portion to permit said outer portions to be spaced above the lugs when the shield is mounted on the dolly.
References Cited (Backward Citations)
US3260219A
Cited
US3596606A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-18 | 1978-05-20 | 1978-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-18 | 1982-05-20 | 1982-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-18 | 1986-05-20 | 1986-11-19 | $7700.00 | Window Closed / Lapsed |