IP Library Granted Patent US 12,584,329
Granted Patent B1
US 12,584,329 · App. 18/901,821 · Granted Mar 24, 2026

Equipment cabinet door handle key cover

Inventor: Christopher J. Machado (Cutler Bay, FL)
Assignee: Florida Power & Light Company
E05B13/001
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Quick Facts
Patent No.
US 12,584,329
App. No.
18/901,821
Granted
Mar 24, 2026
Kind
B1
Abstract

A key cover for an equipment cabinet door handle comprising a hollow cylindrical-shaped body with a circumferential sidewall of a given perimeter. The hollow cylindrical-shaped body includes a top end and a bottom end. The top end has an axial opening therein, forming a top rim and defining sidewall thickness between an inner radius and an outer radius. The inner radius is smaller than the outer radius, the circumferential sidewall has a substantially rectangular-shaped opening formed around the given perimeter, and the substantially rectangular-shaped opening has a first arcuate length. A top portion of the circumferential sidewall at the top end forms a finger protrusion with a fingertip with a second arcuate length into the substantially rectangular-shaped opening. The bottom portion of the circumferential sidewall at the bottom end forms a curb with a third arcuate length in the substantially rectangular opening.

Claims (26)

1 . An equipment cabinet door handle key cover comprising:

a hollow cylindrical-shaped body with a circumferential sidewall, a top end, and a bottom end, the top end having an axial opening therein forming a top rim and defining sidewall thickness between an inner radius and an outer radius, the inner radius is smaller than the outer radius, the circumferential sidewall having a substantially rectangular-shaped opening with a first arcuate length, a top portion of the circumferential sidewall at the top end forming a finger protrusion with a fingertip with a second arcuate length in the substantially rectangular-shaped opening, and a bottom portion of the circumferential sidewall at the bottom end forming a curb with a third arcuate length in the substantially rectangular-shaped opening, wherein a sum of the second arcuate length and the third arcuate length is less than or equal to the first arcuate length; and

a cap formed on the bottom end of the hollow cylindrical-shaped body.

2 . The equipment cabinet door handle key cover of claim 1 , wherein the hollow cylindrical-shaped body and the cap are formed as a unitary piece using a single mold.

3 . The equipment cabinet door handle key cover of claim 1 , wherein the hollow cylindrical-shaped body and the cap are formed as a unitary piece using additive print manufacturing.

4 . The equipment cabinet door handle key cover of claim 1 , wherein the hollow cylindrical-shaped body and the cap are formed in two or more pieces.

5 . The equipment cabinet door handle key cover of claim 1 , are formed from one of plastic, metal, wood, or a combination thereof.

6 . The equipment cabinet door handle key cover of claim 1 , wherein the cap includes an outer surface which is one of yellow color, orange color, red color or a combination.

7 . The equipment cabinet door handle key cover of claim 1 , wherein the cap includes an outer surface including text.

8 . An equipment cabinet door handle key cover comprising:

a hollow cylindrical-shaped body with a circumferential sidewall of a given perimeter, a top end, and a bottom end, the top end having an axial opening therein forming a top rim and defining sidewall thickness between an inner radius and an outer radius, the inner radius is smaller than the outer radius, the circumferential sidewall having a substantially mirror-image L-shaped opening formed within the top rim with a first acuate length, a portion of the circumferential sidewall at the top end forming a finger protrusion with a fingertip with a given arcuate length into the substantially mirror-image L-shaped opening, and a portion of the circumferential sidewall at the bottom end forming a curb with an arcuate length in the substantially mirror-image L-shaped opening, the arcuate length of the curb is non-overlapping with an arcuate position of the fingertip; and

a cap formed on the bottom end.

9 . The equipment cabinet door handle key cover of claim 8 , wherein the hollow cylindrical-shaped body and the cap are formed as a unitary piece using a single mold.

10 . The equipment cabinet door handle key cover of claim 8 , wherein the hollow cylindrical-shaped body and the cap are formed as a unitary piece using additive print manufacturing.

11 . The equipment cabinet door handle key cover of claim 8 , wherein the hollow cylindrical-shaped body and the cap are formed in two or more pieces.

12 . The equipment cabinet door handle key cover of claim 8 , are formed from one of plastic, metal, wood, or a combination thereof.

13 . The equipment cabinet door handle key cover of claim 8 , wherein the cap includes an outer surface which is one of yellow color, orange color, red color or a combination thereof.

14 . The equipment cabinet door handle key cover of claim 8 , wherein the cap includes an outer surface includes warning text.

15 . An equipment cabinet door handle key cover comprising:

a hollow cylindrical-shaped body with a circumferential sidewall, a top end, and a bottom end, the top end having an axial opening therein, a first substantially rectangular circumferential sidewall shape is formed at the bottom end of the hollow cylindrical-shaped body to form finger protrusion at the top end, a second substantially rectangular circumferential sidewall shape is formed at the top end of the of the hollow cylindrical-shaped body to form a curb near the bottom end, the first substantially rectangular circumferential sidewall shape and the second substantially rectangular circumferential sidewall shape are separated by a radial distance; and

a cap formed on the bottom end of the hollow cylindrical-shaped body.

16 . The equipment cabinet door handle key cover of claim 15 , wherein the hollow cylindrical-shaped body and the cap are formed as a unitary piece using a single mold.

17 . The equipment cabinet door handle key cover of claim 15 , wherein the hollow cylindrical-shaped body and the cap are formed as a unitary piece using additive print manufacturing.

18 . The equipment cabinet door handle key cover of claim 15 , wherein the hollow cylindrical-shaped body and the cap are formed in two or more pieces.

19 . The equipment cabinet door handle key cover of claim 15 , are formed from one of plastic, metal, wood, or a combination thereof.

20 . The equipment cabinet door handle key cover of claim 15 , wherein the cap includes an outer surface which is one of yellow color, orange color, red color or a combination thereof.

References Cited (36)
US 2132287A · Curtis et al. · 1938 [cited by applicant]
US 2140239A · Lewis · 1938 [cited by applicant]
US 2217730A · Cooley · 1940 [cited by applicant]
US 2247592A · Swift · 1941 [cited by applicant]
US 2610877A · Weaver · 1952 [cited by applicant]
US 2690071A · Jacobi · 1954 [cited by examiner]
US 3754423A · Seidewand · 1973 [cited by applicant]
US 4007956A · Harris · 1977 [cited by examiner]
US 4876867A · Leneave · 1989 [cited by examiner]
US 4899564A · Gilbert · 1990 [cited by examiner]
US D349034S · Webster · 1994 [cited by examiner]
US 6371155B1 · Balocca · 2002 [cited by examiner]
US D499328S · Spoon · 2004 [cited by applicant]
US D526557S · Falconer et al. · 2006 [cited by applicant]
US 7334824B2 · Sundberg et al. · 2008 [cited by applicant]
US 8022299B2 · Zheng · 2011 [cited by applicant]
US D808246S · Blankenship · 2018 [cited by applicant]
US 10422157B1 · Lindstead · 2019 [cited by examiner]
US 11203884B2 · Marsden · 2021 [cited by applicant]
US 11371259B2 · Wesley · 2022 [cited by applicant]
US D956507S · Elser · 2022 [cited by examiner]
US D1025742S · Li · 2024 [cited by applicant]
US 20040183315A1 · O'Donohoe · 2004 [cited by applicant]
US 20040256862A1 · Wong · 2004 [cited by examiner]
US 20070007778A1 · Gomes · 2007 [cited by examiner]
US 20100199727A1 · Varney · 2010 [cited by examiner]
CN 218597950 · 2023 [cited by applicant]
DE 4321189 · 1995 [cited by applicant]
DE 20115681 · 2002 [cited by applicant]
EP 2072718 · 2010 [cited by applicant]
FR 2819539 · 2002 [cited by applicant]
WO 2013114224 · 2013 [cited by applicant]
WO 2023212561 · 2023 [cited by applicant]
IND Painted Keyhole Cover—F80 M3 | F82/ F83 M4. (n.d.). AutoTecknic USA. https://autotecknic.com/collections/automotive/products/ind-f8x-m3-m4-painted-key-hole-cover. [cited by applicant]
Lever LockTM. (n.d.). https://www.dreambaby.com/lever-door-lock.html. [cited by applicant]
Master Lock® Rotating Gate Valve Lockout, 1″ To 3″ Diameter Handles, 480. (n.d.-b). https://www.globalindustrial.com/p/master-lock-rotating-gate-valve-lockout-1-to-3-diameter? msclkid=7c4b80a256011a50d9c1e61858aef8c8&ut… [cited by applicant]