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US3751745A Expired / Lapsed US ⏱️ 0.0 years remaining

Rotary brush apparatus

Assignee: SHERMAN CAR WASH EQUIP CO
•
Filing: 1971-04-27
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Granted: 1973-08-14
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Expires: 1991-04-27
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Abstract

Abstract A brush apparatus which comprises a pair of disc members coupled to a shaft. Individual brush elements which comprise anchor strips having axially spaced bristle securing means thereon are provided. Individual bristle tufts are associated with the anchor strips and retained therein.

Inventors

  • 👤 C Smith
  • 👤 E Verhagen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 22:23
CPC Classifications
A; A46; A46B; A46B13/00; A46B13/001; A46B13/005

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 138 words
Rotary brush apparatus comprising a shaft, spaced disc members coupled to said shaft, and individual brush elements coupled to and extending between said disc members, said brush elements comprising an anchor strip having axially spaced bristle securing means thereon, bristle tufts in engagement with said bristle securing means, and an elongated channel member receiving said anchor strip therein and retaining said tufts in engagement with said bristle securing means, said channel member having open ends, said disc members including circumferentially spaced socket portions for receiving the ends of said brush elements, axially extending abutments in said socket portions extending into the open ends of said channel member when said brush elements are coupled to said disc members, and selectively releasable means associated with said sOcket portions for retaining the ends of said brush elements in said socket portions.
Claim 2
Dependent Claim 138 words
Rotary brush apparatus comprising a shaft, spaced disc members coupled to said shaft, and individual brush elements coupled to and extending between said disc members, said brush elements comprising an anchor strip having axially spaced bristle securing means thereon, bristle tufts in engagement with said bristle securing means, and an elongated channel member receiving said anchor strip therein and retaining said tufts in engagement with said bristle securing means, said channel member having open ends, said disc members including circumferentially spaced socket portions for receiving the ends of said brush elements, axially extending abutments in said socket portions extending into the open ends of said channel member when said brush elements are coupled to said disc members, and selectively releasable means associated with said sOcket portions for retaining the ends of said brush elements in said socket portions.
Claim 3
Dependent Claim 40 words
Rotary brush apparatus in accordance with claim 1 wherein said abutments comprise a boss associated with each of said socket portions, and said selectively releasable means comprises wedge members adjacent said socket portions and adapted to engage said channel members.
Claim 4
Dependent Claim 177 words
Rotary brush apparatus comprising a shaft, spaced disc members coupled to said shaft, individual brush elements coupled to and extending between said disc members, said brush elements comprising an anchor strip having axially spaced bristle securing means thereon, bristle tufts in engagement with said bristle securing means, an elongated channel member receiving said anchor strip therein, said channel member retaining said tufts in engagement with said bristle securing means, said bristle securing means comprising open sided sockets in said anchor strip, said sockets being positioned so that said channel member closes said socket to retain said bristle tufts when said anchor strip is received in said channel member, said channel member having open ends, said disc members including circumferentially spaced socket portions for receiving the ends of said brush elements, axially extending abutments in said socket portions extending into the open ends of said channel member when said brush elements are coupled to said disc members, and selectively releasable means associated with said socket portions for retaining the ends of said brush elements in said socket portions.
Claim 5
Dependent Claim 177 words
Rotary brush apparatus comprising a shaft, spaced disc members coupled to said shaft, individual brush elements coupled to and extending between said disc members, said brush elements comprising an anchor strip having axially spaced bristle securing means thereon, bristle tufts in engagement with said bristle securing means, an elongated channel member receiving said anchor strip therein, said channel member retaining said tufts in engagement with said bristle securing means, said bristle securing means comprising open sided sockets in said anchor strip, said sockets being positioned so that said channel member closes said socket to retain said bristle tufts when said anchor strip is received in said channel member, said channel member having open ends, said disc members including circumferentially spaced socket portions for receiving the ends of said brush elements, axially extending abutments in said socket portions extending into the open ends of said channel member when said brush elements are coupled to said disc members, and selectively releasable means associated with said socket portions for retaining the ends of said brush elements in said socket portions.
Claim 6
Dependent Claim 41 words
Rotary brush apparatus in accordance with claim 3, wherein said abutments comprise a boss associated with each of said socket portions, and said selectively releasable means comprises wedge members adjacent said socket portions and adapted to engage in said channel members.
Claim 7
Dependent Claim 302 words
Rotary brush apparatus comprising a shaft, spaced disc members coupled to said shaft, individual brush elements coupled to and extending between said disc members, said brush elements comprising an anchor strip having axially spaced bristle securing means thereon, bristle tufts in engagement with said bristle securing means, an elongated channel member receiving said anchor strip therein, said channel member retaining said tufts in engagement with said bristle securing means, said bristle securing means comprising open sided sockets in said anchor strip, said open sided sockets being positioned so that the channel member closes said sockets to retain said bristle tufts when said anchor strip is received in said channel member, said sockets being disposed on opposite side faces of said anchor strip and are generally U-shaped in cross section, said bristle tufts comprising bristle members doubled over to form a bight portion complimental with said sockets, said channel member being generally U-shaped in cross section and including a bottom wall portion and spaced parallel side flanges, said side flanges abutting the side faces of said anchor strip enclosing said sockets when said anchor strip is received in said channel member, said channel member including a pair of inwardly directed flanges extending toward each other from the upper edges of said respective side flanges, said inwardly directed flanges overlying an upper edge of said anchor strip adjacent the side faces of said strip, and said channel members have open ends, said disc members including circumferentially spaced socket portions for receiving the ends of said brush elements, axially extending abutments in said socket portions extending in through the open ends of said channel members when said brush elements are coupled to said disc members, and selectively releaseable means associated with said socket portions for retaining the ends of said brush elements in said portions.
Claim 8
Dependent Claim 302 words
Rotary brush apparatus comprising a shaft, spaced disc members coupled to said shaft, individual brush elements coupled to and extending between said disc members, said brush elements comprising an anchor strip having axially spaced bristle securing means thereon, bristle tufts in engagement with said bristle securing means, an elongated channel member receiving said anchor strip therein, said channel member retaining said tufts in engagement with said bristle securing means, said bristle securing means comprising open sided sockets in said anchor strip, said open sided sockets being positioned so that the channel member closes said sockets to retain said bristle tufts when said anchor strip is received in said channel member, said sockets being disposed on opposite side faces of said anchor strip and are generally U-shaped in cross section, said bristle tufts comprising bristle members doubled over to form a bight portion complimental with said sockets, said channel member being generally U-shaped in cross section and including a bottom wall portion and spaced parallel side flanges, said side flanges abutting the side faces of said anchor strip enclosing said sockets when said anchor strip is received in said channel member, said channel member including a pair of inwardly directed flanges extending toward each other from the upper edges of said respective side flanges, said inwardly directed flanges overlying an upper edge of said anchor strip adjacent the side faces of said strip, and said channel members have open ends, said disc members including circumferentially spaced socket portions for receiving the ends of said brush elements, axially extending abutments in said socket portions extending in through the open ends of said channel members when said brush elements are coupled to said disc members, and selectively releaseable means associated with said socket portions for retaining the ends of said brush elements in said portions.
Claim 9
Dependent Claim 41 words
Rotary brush apparatus in accordance with claim 5, wherein said abutments comprise a boss associated with each of said socket portions, and said selectively releasable means comprises wedge members adjacent said socket portions And adapted to engage in said channel members.
Claim 10
Dependent Claim 143 words
Rotary brush apparatus comprising a shaft, spaced disc members coupled to said shaft, individual brush elements coupled to and extending between said disc members, said brush elements comprising an anchor strip having axially spaced bristle securing means thereon, bristle tufts in engagement with said bristle securing means, an elongated channel member receiving said anchor strip therein, said channel member retaining said tufts in engagement with said bristle securing means, said disc members further including circumferentially spaced socket portions for receiving said brush elements, and selectively releasable means associated with said socket portions for retaining said brush elements in said socket portions, said elongated channel member including outwardly directed ribs, said selectively releasable means comprising wedge members coupled to said disc members adjacent said socket portions and adapted to engage said channel members, said wedge members having notches thereon for engagement with said ribs.
Claim 11
Dependent Claim 143 words
Rotary brush apparatus comprising a shaft, spaced disc members coupled to said shaft, individual brush elements coupled to and extending between said disc members, said brush elements comprising an anchor strip having axially spaced bristle securing means thereon, bristle tufts in engagement with said bristle securing means, an elongated channel member receiving said anchor strip therein, said channel member retaining said tufts in engagement with said bristle securing means, said disc members further including circumferentially spaced socket portions for receiving said brush elements, and selectively releasable means associated with said socket portions for retaining said brush elements in said socket portions, said elongated channel member including outwardly directed ribs, said selectively releasable means comprising wedge members coupled to said disc members adjacent said socket portions and adapted to engage said channel members, said wedge members having notches thereon for engagement with said ribs.
Claim 12
Dependent Claim 42 words
Rotary brush apparatus in accordance with claim 7, wherein said channel members have open ends, and axially extending abutments in said socket portions extending into the open ends of said channel members when said brush elements are coupled to said disc members.

References Cited (Backward Citations)

US1309695A Cited
US887780A Cited
US1018327A Cited
US1944955A Cited
US2773275A Cited
US2897527A Cited
US3200430A Cited
US3255479A Cited
US3529314A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-08-13 1977-02-12 1977-08-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-08-13 1981-02-12 1981-08-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-08-13 1985-02-12 1985-08-14 $7700.00 Window Closed / Lapsed

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