Saw tooth fittings

• US 5,581,848 A
• Filed: 09/19/1995
• Issued: 12/10/1996
• Est. Priority Date: 10/12/1994
• Status: Expired due to Fees

• Current Assignee: Staedtler & Uhl
• Original Assignee: Staedtler & Uhl
• Inventors: Egerer, Josef
• Primary Examiner(s): CALVERT, JOHN JAMES
• Application Number:
  US08/531,190
• Time in Patent Office: 448 Days
• Field of Search: 19/113, 19/114
• US Class Current: 19/114
• CPC Class Codes: D01G 15/88 formed from metal sheets or strips
• CPC Class Codes: D01G 19/10 Construction, mounting, or operating features of combing elements

Abstract

The invention is directed to saw tooth fittings for preparatory textile machines including combing machines for wool or cotton wool and carding machines. The saw tooth fittings can be strips or saw tooth elements having a tooth or a plurality teeth including a first tip at a free end of either the tooth or each of the plurality of teeth. The tooth or each of the plurality of teeth have a forwarding combing edge which is concavely curved at least from a foot portion to a second tip of either the tooth or each of the plurality of teeth. The second tip is located between the first tip and the foot portion. The second tip extends forwardly from the combing front edge in the direction of combing thereby improving the combing effect.

Claims

1. Saw tooth fittings for preparatory textile machines including combing machines for wool or cotton wool and carding machines, said saw tooth fittings comprising

strips or saw tooth elements respectively, with a tooth or a plurality teeth having a first tip at a free end of either the tooth or each of the plurality of teeth,

the tooth or each of the plurality of teeth having a forwarding combing edge which is concavely curved at least from a foot portion to a second tip of either the tooth or each of the plurality of teeth,

the second tip located between the first tip and the foot portion,

wherein the second tip extends forwardly from the combing front edge in the direction of combing thereby improving the combing effect.

2. Saw tooth fittings according to claim 1, wherein the second tip (9) is disposed approximately centrally between the foot portion (5) and the first tip of the tooth (3) and extends in the direction of combing.

3. Saw tooth fittings according to claim 2, wherein above and below the second tip (9), the combing front edge (8) of the tooth (3) is concavely curved.

4. Saw tooth fittings according to claim 1, wherein the second tip (9'"'"') is formed in the vicinity of the upper end of the tooth (3'"'"'), extending approximately in the direction of the first tip (6'"'"') of the tooth.