US3938283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dust bag support
Assignee: SINGER ACQUISITION HOLDINGS COMPANY 8 STAMFORD FORUM STAMFORD CT 06904 A DE CORP
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Filing: 1975-02-24
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Granted: 1976-02-17
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Expires: 1995-02-24
Abstract
Abstract A support for a dust bag for use in connection with an electrically driven surface treating machine to collect dust created by the machine during operation which comprises a rod member detachably connected to an exhaust conduit on the machine. Means are provided to insure proper positioning or alignment of the dust bag support so that the support may function to hold the dust bag up and away from the work piece so as not to interfere with the operator in using the machine.
Inventors
- 👤 James A. Keith, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:30
CPC Classifications
B; B24; B24B; B24B55/00; B24B55/06; B24B55/10; B24B55/105
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
136 words
A portable sanding tool having a motor driven oscillating platen carried by a housing, and means for discharging from the housing dust-laden air created by the use of the tool upon a work surface comprising: a. a discharge conduit rigidly connected to the housing, b. at least one radial flange formed on the outer periphery of the discharge conduit, c. notch means formed in the flange of the discharge conduit, d. a support rod including an arcuate section defining an expandable throat, and a straight section, e. the straight section of the support rod disposed in the notch means of the flange to permit the arcuate section of the support rod to encircle the discharge conduit adjacent the flange, and f. a dust bag detachably connected to the discharge conduit and supported by the support rod.
Claim 2
Dependent Claim
136 words
A portable sanding tool having a motor driven oscillating platen carried by a housing, and means for discharging from the housing dust-laden air created by the use of the tool upon a work surface comprising: a. a discharge conduit rigidly connected to the housing, b. at least one radial flange formed on the outer periphery of the discharge conduit, c. notch means formed in the flange of the discharge conduit, d. a support rod including an arcuate section defining an expandable throat, and a straight section, e. the straight section of the support rod disposed in the notch means of the flange to permit the arcuate section of the support rod to encircle the discharge conduit adjacent the flange, and f. a dust bag detachably connected to the discharge conduit and supported by the support rod.
Claim 3
Dependent Claim
69 words
The combination claimed in claim 1 wherein: a. means engaged between the discharge conduit and the support rod to prevent the straight section of the support rod from being dislodged from the notch means, and b. said last mentioned means includes a second radial flange spaced from and adjacent to the first radial flange whereby a recess is formed therebetween to receive the arcuate section of the support rod.
Claim 4
Dependent Claim
43 words
The combination claimed in claim 2 wherein: a. the support rod is bent at substantially 90° adjacent the junction of the arcuate section and the straight section, and b. the straight section is formed to extend upwardly and outwardly from the arcuate section.
Claim 5
Dependent Claim
62 words
The combination claimed in claim 3 wherein: a. the notch means is formed adjacent the vertical top of the discharge conduit whereby the support rod is held in position with the straight section thereof extending vertically upwardly and away from the discharge conduit and holds the dust bag in like position freely to receive the dust-laden air and collect the dust therein.
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) | 1979-02-16 | 1979-08-18 | 1980-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-02-16 | 1983-08-18 | 1984-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-02-16 | 1987-08-18 | 1988-02-17 | $7700.00 | Window Closed / Lapsed |