US4055724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective shield for a control device
Assignee: Robertshaw Controls Co
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Filing: 1975-08-04
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Granted: 1977-10-25
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Expires: 1995-08-04
Abstract
Abstract A control device having a housing provided with a selector knob and dial arrangement adjacent the knob, the housing also having electrical terminals adjacent the knob and dial arrangement. A substantially flat protective shield is secured to the control device and covers the terminals, the shield having two separate openings passing therethrough so that one of the openings exposes the dial arrangement and the other of the openings has the selector knob telescopically projecting therethrough.
Inventors
- 👤 Siegfried E. Manecke
- 👤 James L. Shaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:31
CPC Classifications
H; H05; H05K; H05K5/00; H05K5/02; H05K5/03; G; G05; G05D; G05D23/00; G05D23/19
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
151 words
A substantially flat protective shield for a control device having a housing provided with a selector knob and dial arrangement adjacent said knob as well as electrical terminal means adjacent said knob and dial arrangement, said protective shield being adapted to be secured to said control device to cover said terminal means, said shield having two separate opening means therethrough, one of said opening means being adapted to expose said dial arrangement and the other of said opening means being adapted to have said selector knob projecting therethrough, said housing having a projecting part spaced from said selector knob, said shield having a third opening means adapted to telescopically receive said projecting part of said housing, said projecting part of said housing being adapted to be press-fit in said third opening means, said shield having a plurality of slit means therein adjacent said third opening means to facilitate said press-fit relation.
Claim 2
Dependent Claim
151 words
A substantially flat protective shield for a control device having a housing provided with a selector knob and dial arrangement adjacent said knob as well as electrical terminal means adjacent said knob and dial arrangement, said protective shield being adapted to be secured to said control device to cover said terminal means, said shield having two separate opening means therethrough, one of said opening means being adapted to expose said dial arrangement and the other of said opening means being adapted to have said selector knob projecting therethrough, said housing having a projecting part spaced from said selector knob, said shield having a third opening means adapted to telescopically receive said projecting part of said housing, said projecting part of said housing being adapted to be press-fit in said third opening means, said shield having a plurality of slit means therein adjacent said third opening means to facilitate said press-fit relation.
Claim 3
Dependent Claim
148 words
A substantially flat protective shield for a control device having a housing provided with a selector knob and dial arrangement adjacent said knob as well as electrical terminal means adajcent said knob and dial arrangement, said protective shield being adapted to be secured to said control device to cover said terminal means, said shield having two separate opening means therethrough, one of said opening means being adapted to expose said dial arrangement and the other of said opening means being adapted to have said selector knob projecting therethrough, said shield having a web portion thereof separating said two opening means from each other, said web portion having a part thereof offset relative to said shield by another part thereof, said offset part of said web portion being disposed spaced from and parallel to said shield while being adapted to engage against said housing to space said shield therefrom.
Claim 4
Dependent Claim
148 words
A substantially flat protective shield for a control device having a housing provided with a selector knob and dial arrangement adjacent said knob as well as electrical terminal means adajcent said knob and dial arrangement, said protective shield being adapted to be secured to said control device to cover said terminal means, said shield having two separate opening means therethrough, one of said opening means being adapted to expose said dial arrangement and the other of said opening means being adapted to have said selector knob projecting therethrough, said shield having a web portion thereof separating said two opening means from each other, said web portion having a part thereof offset relative to said shield by another part thereof, said offset part of said web portion being disposed spaced from and parallel to said shield while being adapted to engage against said housing to space said shield therefrom.
Claim 5
Dependent Claim
35 words
A protective shield as set forth in claim 2 wherein said offset part of said web portion is adapted to be disposed between said knob and said housing to lock said shield to said housing.
Claim 6
Dependent Claim
38 words
A protective shield as set forth in claim 2 wherein said housing has a projecting part spaced from said selector knob, said shield having a third opening means adapted to telescopically receive said projecting part of said housing.
Claim 7
Dependent Claim
45 words
A protective shield as set forth in claim 4 wherein said projecting part of said housing is adapted to be press-fit in said third opening means, said shield having a plurality of slit means therein adjacent said third opening means to facilitate said press-fit relation.
Claim 8
Dependent Claim
42 words
A protective shield as set forth in claim 4 wherein said projecting part of said housing is adapted to be press-fit in said third opening means, said shield having an annular flange extending adjacent said third opening to facilitate said press-fit relation.
Claim 9
Dependent Claim
118 words
A substantially flat protective shield for a control device having a housing provided with a selector knob and dial arrangement adjacent said knob as well as electrical terminal means adjacent said knob and dial arrangement, said protective shield being adapted to be secured to said control device to cover said terminal means, said shield having two separate opening means therethrough, one of said opening means being adapted to expose said dial arrangement and the other of said opening means being adapted to have said selector knob projecting therethrough, said shield having a web portion thereof separating said two opening means from each other, said web portion having at least one reinforcing part thereof spanning one of said openings.
Claim 10
Dependent Claim
118 words
A substantially flat protective shield for a control device having a housing provided with a selector knob and dial arrangement adjacent said knob as well as electrical terminal means adjacent said knob and dial arrangement, said protective shield being adapted to be secured to said control device to cover said terminal means, said shield having two separate opening means therethrough, one of said opening means being adapted to expose said dial arrangement and the other of said opening means being adapted to have said selector knob projecting therethrough, said shield having a web portion thereof separating said two opening means from each other, said web portion having at least one reinforcing part thereof spanning one of said openings.
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) | 1980-10-24 | 1981-04-25 | 1981-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-10-24 | 1985-04-25 | 1985-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-10-24 | 1989-04-25 | 1989-10-25 | $7700.00 | Window Closed / Lapsed |