US3837757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drill press
Assignee: Individual
•
Filing: 1973-05-29
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Granted: 1974-09-24
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Expires: 1993-05-29
Abstract
Abstract A drill press which comprises a stand with an upright and a movable drill controllable by a handle including a switch which allows the drill to be run at variable speeds as well as to be reversed and in which the stand is provided with a pair of arcuate slots aligned with the drill so that the drill will not hit into the drill stand and provided with adjustable limits for controlling the upper and lower limits of the drill movement as well as adjusting means for moving the entire drill assembly relative to the upright of the stand.
Inventors
- 👤 A Levine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:09
CPC Classifications
B; B23; B23Q; B23Q16/00; B23Q5/00; B23Q5/02; B23Q5/04; B23Q5/10; Y; Y10; Y10T; Y10T408/00; Y10T408/18; Y10T408/21; Y10T408/55; Y10T408/561; Y10T408/5612; Y10T408/65; Y10T408/675; Y10T408/6779; Y10T408/6786; Y10T408/91; Y10T408/93
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
99 words
A drill press comprising, a stand with an upright support, a motor support member adjustably mounted on said upright support, a motor and drill housing unit mounted for vertical motion relative to said motor support member, a pivot drive arm rotatably attached to said motor support member, a finger control switch mounted at the end of said pivot drive arm away from said motor support member to control the speed of said motor, said stand formed with arcuate shaped slots aligned with said drill as the motor support member is rotated to different positions relative to said upright support.
Claim 2
Dependent Claim
99 words
A drill press comprising, a stand with an upright support, a motor support member adjustably mounted on said upright support, a motor and drill housing unit mounted for vertical motion relative to said motor support member, a pivot drive arm rotatably attached to said motor support member, a finger control switch mounted at the end of said pivot drive arm away from said motor support member to control the speed of said motor, said stand formed with arcuate shaped slots aligned with said drill as the motor support member is rotated to different positions relative to said upright support.
Claim 3
Dependent Claim
214 words
A drill press comprising, a stand with an upright support, a motor support member adjustably mounted on said upright support, a motor and drill housing unit mounted for vertical motion relative to said motor support member, a pivot drive arm rotatably attached to said motor support member, a finger control switch mounted at the end of said pivot drive arm away from said motor support member to control the speed of said motor, a rack mounted on said motor and drill housing, a drive shaft rotatably supported by said motor support member and connected to said pivot drive arm, a drive gear mounted on said drive shaft and engageable with said rack, spring biasing means connected to said drive shaft to bias said motor and drill housing in the upward direction, upper and lower limit means for limiting the vertical motion of said motor and drill housing unit relative to said motor support member, said upper and lower limit means comprises a member with a vertical slot attached to said motor and drill housing, a bracket attached to said motor support member adjacent said member with a slot, and a pair of limit members adjustably mounted in said slot and engageable with said bracket to limit the motion of said motor and drill unit.
Claim 4
Dependent Claim
214 words
A drill press comprising, a stand with an upright support, a motor support member adjustably mounted on said upright support, a motor and drill housing unit mounted for vertical motion relative to said motor support member, a pivot drive arm rotatably attached to said motor support member, a finger control switch mounted at the end of said pivot drive arm away from said motor support member to control the speed of said motor, a rack mounted on said motor and drill housing, a drive shaft rotatably supported by said motor support member and connected to said pivot drive arm, a drive gear mounted on said drive shaft and engageable with said rack, spring biasing means connected to said drive shaft to bias said motor and drill housing in the upward direction, upper and lower limit means for limiting the vertical motion of said motor and drill housing unit relative to said motor support member, said upper and lower limit means comprises a member with a vertical slot attached to said motor and drill housing, a bracket attached to said motor support member adjacent said member with a slot, and a pair of limit members adjustably mounted in said slot and engageable with said bracket to limit the motion of said motor and drill unit.
Claim 5
Dependent Claim
30 words
A drill press according to claim 2 wherein one of said limit members is formed with a locking pin and a cam arm to lock said pin in said slot.
Claim 6
Dependent Claim
21 words
A drill press according to claim 2 including a ligHt mounted on said motor and drill housing to illuminate a workpiece.
Claim 7
Dependent Claim
21 words
A drill press according to claim 2 wherein said finger control switch comprises a movable finger member and a handle member.
Claim 8
Dependent Claim
17 words
A drill press according to claim 5 including a locking means for locking said finger control switch.
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) | 1977-09-23 | 1978-03-25 | 1978-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-23 | 1982-03-25 | 1982-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-23 | 1986-03-25 | 1986-09-24 | $7700.00 | Window Closed / Lapsed |