Patent US4310377A successfully refreshed from Google Patents.
US4310377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for the manufacture of brushes
Assignee: Schlesinger GmbH and Co Maschinenbau KG
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Filing: 1980-12-15
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Granted: 1982-01-12
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Expires: 2000-12-15
Abstract
Abstract A machine for the manufacture of brushes having a bristle collecting station, a melting station, a welding station and at least one bristle bunch holder. The bristle bunch holder consists of a plate having hollow bristle holding sleeves thereon and comprising movement devices, with which the bristle bunch holder is successively aligned with the stations. A discharge station is provided in which ejector means are, during advancement of the bristle bunch holder, pushed through the bristle holding sleeves.
Inventors
- 👤 Reinhold Lorenz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:36
CPC Classifications
A; A46; A46D; A46D3/00; A46D3/04; A46D3/045; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1744; Y10T156/1768; Y10T156/1771
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
188 words
In a machine for the manufacture of brushes, comprising a series arrangement of a bristle collecting station, a melting station and a welding station, and at least one bristle bunch holder, which consists of a plate having plural hollow bristle holding sleeves thereon and comprising movement devices, with which said bristle bunch holder is successively aligned with each of said stations, the improvement comprising ejector means, a discharge station arranged in said series arrangement and preceding said bristle collecting station, said discharge station having ejector activating means for effecting, during advancement of said bristle bunch holder, a movement of said ejector means through all of said bristle holding sleeves to eject all bristle material that may be lodged therein prior to the arrival of said bristle bunch holder at said bristle collecting station, a magazine arranged in said welding station, said magazine having at least one stand with holding bars for holding a stacked array of brush heads, a removing station in which is provided a holder for the second to the lowermost brush head, and removing means for the lowermost brush head, which has bristles secured thereto.
Claim 2
Dependent Claim
188 words
In a machine for the manufacture of brushes, comprising a series arrangement of a bristle collecting station, a melting station and a welding station, and at least one bristle bunch holder, which consists of a plate having plural hollow bristle holding sleeves thereon and comprising movement devices, with which said bristle bunch holder is successively aligned with each of said stations, the improvement comprising ejector means, a discharge station arranged in said series arrangement and preceding said bristle collecting station, said discharge station having ejector activating means for effecting, during advancement of said bristle bunch holder, a movement of said ejector means through all of said bristle holding sleeves to eject all bristle material that may be lodged therein prior to the arrival of said bristle bunch holder at said bristle collecting station, a magazine arranged in said welding station, said magazine having at least one stand with holding bars for holding a stacked array of brush heads, a removing station in which is provided a holder for the second to the lowermost brush head, and removing means for the lowermost brush head, which has bristles secured thereto.
Claim 3
Dependent Claim
39 words
The machine according to claim 1, including a rotatable carrier, on which four bristle bunch holders are arranged, wherein said stations are angularly spaced at a distance of 90° and wherein each indexed step of the carrier is 90°.
Claim 4
Dependent Claim
51 words
The machine according to claim 1, wherein said ejector means is associated with said bristle bunch holder, said ejector means being operatively received in said bristle holding sleeves during all operating conditions, however, when outside of said discharge station fill only a portion of the length of said bristle holding sleeves.
Claim 5
Dependent Claim
50 words
The machine according to claim 3, wherein parallel with each plate there is arranged an ejector plate which has said ejector means thereon and wherein said plate is movable relative to said ejector plate at a right angle with respect to the planes of said plate and said ejector plate.
Claim 6
Dependent Claim
40 words
The machine according to claim 4, wherein stops for the contact of said plate are arranged in said discharge station and wherein said ejector plate is movable against an elastic restoring force after contact of said plate on said stops.
Claim 7
Dependent Claim
40 words
The machine according to claim 5, wherein guide rods are secured on said plate, which guide rods extend through guide openings in said ejector plate and on which tension springs engage, which tension springs are anchored to said ejector plate.
Claim 8
Dependent Claim
52 words
The machine according to claim 3, including adjustable screw stops having heads thereon for determining the spacing between said plate and said ejector plate, said heads of said adjustable stops engaging one of said ejector plate and said plate and are screwed into the other of said ejector plate and said plate.
Claim 9
Dependent Claim
14 words
The machine according to claim 1, wherein said magazine is a step-by-step rotatable magazine.
Claim 10
Dependent Claim
24 words
The machine according to claim 8, wherein said removing means has a base for supporting the lowermost brush head, which base can be retracted.
Claim 11
Dependent Claim
91 words
The machine according to claim 9, wherein said stand is supported on a platelike carrier and has therebelow a stationary plate forming a base for supporting the lowermost brush head of said stand and wherein a plate opening is provided in said removing station, which opening is at least partly filled by a movable base part movable into a position by a movement thereof in the plane of said stationary plate into a free area of the plate opening, whereat said movable base part becomes disengaged from the lowermost brush head.
Claim 12
Dependent Claim
24 words
The machine according to claim 10, wherein said movable base part is secured to a swingable lever, on which is engaged a pneumatic cylinder.
Claim 13
Dependent Claim
35 words
The machine according to one of the claims 1, 9, 10 or 11, wherein said holder is a pressure piece, which can be moved toward and away from the second to the uppermost brush head.
Claim 14
Dependent Claim
40 words
The machine according to claim 12, wherein said pressure piece is resiliently flexibly connected to said lever and is arranged such that it contacts the second to the lowermost brush head prior to the movable base part being pulled away.
Claim 15
Dependent Claim
22 words
The machine according to claim 13, wherein said pressure piece is secured on a leaf spring which is connected to said lever.
Claim 16
Dependent Claim
25 words
The machine according to one of the claims 10 to 11, wherein plural stands for receiving stacks of brush heads are arranged on said carrier.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-01-11 | 1985-07-13 | 1986-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-01-11 | 1989-07-13 | 1990-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-01-11 | 1993-07-13 | 1994-01-12 | $7700.00 | Window Closed / Lapsed |