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US3828392A Expired / Lapsed US ⏱️ 0.0 years remaining

Swivel locking caster brake

Assignee: Individual
•
Filing: 1972-08-23
•
Granted: 1974-08-13
•
Expires: 1992-08-23
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Abstract

Abstract A swivel locking caster brake including a one-piece wheel brake and swivel lock constructed and arranged to apply the swivel lock separately prior to the application of the brake to the wheel.

Inventors

  • 👤 J Bolger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 12:12
CPC Classifications
B; B60; B60B; B60B33/00; B60B33/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 203 words
A swivel locking caster brake comprising a wheel, a wheel mount, a hub for the wheel on the wheel mount, a notched swivel plate mounted to swivel on the wheel mount, a brake, said brake being mounted for rectilinear motion on said wheel mount, a brake operating lever on the hub, said brake operating lever being constructed and arranged to move the brake into locking position with the periphery of the wheel and to disengage it therefrom, and a locking member fixed on the brake and being movable therewith, said locking member having a portion thereof engageable with a notch in the swivel plate, and being constructed and aranged to enter the notch to lock the swivel plate upon downward motion of the brake to a position just short of braking position against the periphery of the wheel, whereby the swivel is locked but the wheel is free to rotate, said brake and swivel lock being constructed and arranged to have a further motion under influence of said lever to a position braking the wheel at the periphery thereof while maintaining the lock with respect to the swivel, the locking member moving further into its notch without affecting the locking of the caster.
Claim 2
Dependent Claim 203 words
A swivel locking caster brake comprising a wheel, a wheel mount, a hub for the wheel on the wheel mount, a notched swivel plate mounted to swivel on the wheel mount, a brake, said brake being mounted for rectilinear motion on said wheel mount, a brake operating lever on the hub, said brake operating lever being constructed and arranged to move the brake into locking position with the periphery of the wheel and to disengage it therefrom, and a locking member fixed on the brake and being movable therewith, said locking member having a portion thereof engageable with a notch in the swivel plate, and being constructed and aranged to enter the notch to lock the swivel plate upon downward motion of the brake to a position just short of braking position against the periphery of the wheel, whereby the swivel is locked but the wheel is free to rotate, said brake and swivel lock being constructed and arranged to have a further motion under influence of said lever to a position braking the wheel at the periphery thereof while maintaining the lock with respect to the swivel, the locking member moving further into its notch without affecting the locking of the caster.

References Cited (Backward Citations)

GB1052780A Cited
US2068160A Cited
US2345442A Cited
US2421464A Cited
US2709828A Cited
US2905275A Cited
CH357634A Cited
GB839272A Cited
US2951258A Cited
US3409105A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-08-12 1978-02-11 1978-08-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-08-12 1982-02-11 1982-08-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-08-12 1986-02-11 1986-08-13 $7700.00 Window Closed / Lapsed

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