Patent CA1176907A successfully refreshed from Google Patents.
CA1176907A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Downwardly swinging replaceable air filter for a vehicle cab
Assignee: Allis Chalmers Corp
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Filing: 1981-08-21
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Granted: 1984-10-30
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Expires: 2001-08-21
Abstract
Abstract DOWNWARDLY SWINGING REPLACEABLE AIR FILTER FOR A VEHICLE CAB ABSTRACT OF THE DISCLOSURE A downwardly swinging air filter from the roof overhang of a vehicle cab to allow replacement of the air filter. The filter is carried in the tray pivotally supported and latched in an operating position which seals the filter on the inlet and outlet surfaces.
Inventors
- 👤 Michael L. Slosiarek
- 👤 Robert J. Wagner
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-10-27 18:30
CPC Classifications
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Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
157 words
A vehicle cab having filtering means comprising, a side wall on the side of said cab, a lateral roof overhang extending beyond said side wall and defining a filter chamber, means defining an air inlet passage and an air outlet passage from said filter chamber with passage means extending to an air ventilating system, a filter tray, a filter element in said tray, means providing a seal with said filter element at the inlet passage and the outlet passage of said filter chamber when said filter tray is in the operating position, means defining a filter servicing opening externally of said cab in said roof overhang for pivoting said tray through said servicing opening, pivotal support means pivotally supporting one end of said filter tray, a latch releasably holding the other end of said filter tray in the operating position and for releasing said tray for servicing of said filter element from the outside of said cab.
Claim 2
Dependent Claim
157 words
A vehicle cab having filtering means comprising, a side wall on the side of said cab, a lateral roof overhang extending beyond said side wall and defining a filter chamber, means defining an air inlet passage and an air outlet passage from said filter chamber with passage means extending to an air ventilating system, a filter tray, a filter element in said tray, means providing a seal with said filter element at the inlet passage and the outlet passage of said filter chamber when said filter tray is in the operating position, means defining a filter servicing opening externally of said cab in said roof overhang for pivoting said tray through said servicing opening, pivotal support means pivotally supporting one end of said filter tray, a latch releasably holding the other end of said filter tray in the operating position and for releasing said tray for servicing of said filter element from the outside of said cab.
Claim 3
Dependent Claim
36 words
A vehicle cab having filtering means as set forth in claim 1 wherein said sealing means at the outlet passage from said filter chamber defines a sealing ring to provide a seal with said filter element.
Claim 4
Dependent Claim
44 words
A vehicle cab having filtering means as set forth in claim 1 wherein said sealing means of the inlet passage includes sealing ridges on said tray bearing against the underside of said filter element when said filter tray is latched in the operating position.
Claim 5
Dependent Claim
35 words
A vehicle cab having filtering means as set forth in claim 1 wherein said tray defines a grille on the exterior side of said filter element for supporting the filter element in its operating position.
Claim 6
Dependent Claim
37 words
A vehicle cab having filtering means as set forth in claim 1 wherein said pivotal support means includes detachable pivotal support elements on said filter tray to allow removal of said tray from its pivotal support position.
Claim 7
Dependent Claim
47 words
A vehicle cab having filtering means as set forth in claim 1 including, a link pivotally and slidably connected to said tray and said roof overhang to provide a stationary pivoted servicing position downwardly from the operating position of said filter tray for replacement of said filter.
Claim 8
Dependent Claim
32 words
A vehicle cab having filtering means as set forth in claim 1 including means mounting said filter on the underside of said roof overhang and including said means defining said servicing opening.
Claim 9
Dependent Claim
49 words
A vehicle cab having filtering means as set forth in claim 1 including, means defining an air inlet on the underside of said roof overhang, a passage means extending from said filter element to a lateral opening in said cab for transmitting filtered air to the air ventilating system.
Claim 10
Dependent Claim
26 words
A vehicle cab having filtering means as set forth in claim 1, wherein said tray defines a filter element compartment for receiving a replaceable filter element.
Claim 11
Dependent Claim
44 words
A vehicle cab having filtering means as set forth in claim 1 including means defining an inlet opening on the underside of said roof overhang, a filter on each side of said cab to provide filtered air from both sides of said vehicle cab.
References Cited (Backward Citations)
No citation records indexed.
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