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US4176429A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for cleaning clamping surfaces

Assignee: Lindauer Dornier GmbH
•
Filing: 1978-02-02
•
Granted: 1979-12-04
•
Expires: 1998-02-02
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Abstract

Abstract This invention relates to an apparatus for cleaning the clamping surfaces of tenter hook or clip tables and small flaps of tenter hooks or clips during the operation of a tenter hook or clip chain, which comprises a carrier member secured to a tenter hook or clip chain/guide path, an axle vertically positioned with respect to said path, a brush mounting unit supported by said axle and having upwardly and downwardly directed rows of brushes, said brush mounting unit being pivotal on said axle and flexibly connected with the carrier member by a resilient member and, in a position of rest thereof, being positioned so as to be pivoted away from the tenter hook or clip, said brush mounting unit, in the operating position thereof, being pivoted against the tenter hooks or clips in the open position thereof, and whereby the upper row of brushes scrapes and brushes clamping surfaces of the small flaps, and the lower row of brushes scrapes and brushes clamping surfaces of the tenter hook or clip tables.

Inventors

  • 👤 Hans Rottensteiner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 23:37
CPC Classifications
D; D06; D06B; D06B23/00; D06B23/30; B; B29; B29C; B29C55/00; B29C55/02; B29C55/20

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 167 words
An apparatus for cleaning the clamping surfaces of tenter hook or clip tables and small flaps of tenter hooks or clips during the operation of a tenter hook or clip chain, which comprises a carrier member secured to a tenter hook or clip chain/guide path, an axle vertically positioned with respect to said path, a brush mounting unit supported by said axle and having upwardly and downwardly directed rows of brushes, said brush mounting unit being pivotal on said axle and flexibly connected with the carrier member by resilient means and, in a position of rest thereof, being positioned so as to be pivoted away from the tenter hook or clip, said brush mounting unit, in the operating position thereof, being pivoted against the tenter hooks or clips in the open position thereof, and whereby the upper row of brushes scrapes and brushes clamping surfaces of the small flaps, and the lower row of brushes scrapes and brushes clamping surfaces of the tenter hook or clip tables.
Claim 2
Independent Claim 167 words
An apparatus for cleaning the clamping surfaces of tenter hook or clip tables and small flaps of tenter hooks or clips during the operation of a tenter hook or clip chain, which comprises a carrier member secured to a tenter hook or clip chain/guide path, an axle vertically positioned with respect to said path, a brush mounting unit supported by said axle and having upwardly and downwardly directed rows of brushes, said brush mounting unit being pivotal on said axle and flexibly connected with the carrier member by resilient means and, in a position of rest thereof, being positioned so as to be pivoted away from the tenter hook or clip, said brush mounting unit, in the operating position thereof, being pivoted against the tenter hooks or clips in the open position thereof, and whereby the upper row of brushes scrapes and brushes clamping surfaces of the small flaps, and the lower row of brushes scrapes and brushes clamping surfaces of the tenter hook or clip tables.
Claim 3
Dependent Claim 41 words
An apparatus according to claim 1 in which the brush mounting is composed of an outer and of an inner portion being pivotal independently of each other about the axle, whereby the inner portion is flexibly supported against the outer portion.
Claim 4
Dependent Claim 22 words
An apparatus according to claim 2 in which the brushes are positioned on a plate which is removable from the inner portion.
Claim 5
Dependent Claim 26 words
An apparatus according to claim 3 including, above the brushes and the plate, a unilaterally obliquely cut control bar in rigid connection with the outer portion.
Claim 6
Dependent Claim 20 words
An apparatus according to claim 1 including means whereby the brush mounting unit is pivotal alternately either manually or mechanically.
Claim 7
Dependent Claim 34 words
An apparatus according to claim 1 including an opener ledge on the tenter hook or clip chain/guide path and over the small flap, said ledge being angularly bent with respect to a shut/open lever.

References Cited (Backward Citations)

US3284828A Cited
JPS4720269U Cited
US3858715A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1982-12-03 1983-06-04 1983-12-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1986-12-03 1987-06-04 1987-12-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1990-12-03 1991-06-04 1991-12-04 $7700.00 Window Closed / Lapsed

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