| US 7,506,706 B2 | ||
| Retaining element for a jack element | ||
| David R. Hall, 2185 S. Larsen Pkwy., Provo, Utah 84606 (US); Francis Leany, 2185 S. Larsen Pkwy., Provo, Utah 84606 (US); Joe Fox, 2185 S. Larsen Pkwy., Provo, Utah 84606 (US); Tyson J. Wilde, 2185 S. Larsen Pkwy., Provo, Utah 84606 (US); and Boyd Black, 2185 S. Larsen Pkwy., Provo, Utah 84606 (US) | ||
| Filed on Jul. 09, 2007, as Appl. No. 11/774,645. | ||
| Application 11/774645 is a continuation in part of application No. 11/759992, filed on Jun. 08, 2007. | ||
| Application 11/759992 is a continuation in part of application No. 11/750700, filed on May 18, 2007. | ||
| Application 11/750700 is a continuation in part of application No. 11/737034, filed on Apr. 18, 2007. | ||
| Application 11/737034 is a continuation in part of application No. 11/686638, filed on Mar. 15, 2007, granted, now 7,424,922. | ||
| Application 11/686638 is a continuation in part of application No. 11/680997, filed on Mar. 01, 2007, granted, now 7,419,016. | ||
| Application 11/680997 is a continuation in part of application No. 11/673872, filed on Feb. 12, 2007, granted, now 7,484,576. | ||
| Application 11/673872 is a continuation in part of application No. 11/611310, filed on Dec. 15, 2006. | ||
| Application 11/673872 is a continuation in part of application No. 11/774645. | ||
| Application 11/774645 is a continuation in part of application No. 11/278935, filed on Apr. 06, 2006, granted, now 7,426,968. | ||
| Application 11/278935 is a continuation in part of application No. 11/277394, filed on Mar. 24, 2006, granted, now 7,398,837. | ||
| Application 11/277394 is a continuation in part of application No. 11/277380, filed on Mar. 24, 2006. | ||
| Application 11/277380 is a continuation in part of application No. 11/306976, filed on Jan. 18, 2006. | ||
| Application 11/306976 is a continuation in part of application No. 11/306307, filed on Dec. 22, 2005. | ||
| Application 11/306307 is a continuation in part of application No. 11/306022, filed on Dec. 14, 2005. | ||
| Application 11/306022 is a continuation in part of application No. 11/164391, filed on Nov. 21, 2005. | ||
| Prior Publication US 2008/0011521 A1, Jan. 17, 2008 | ||
| Int. Cl. E21B 21/26 (2006.01) | ||
| U.S. Cl. 175—385 [175/327] | 19 Claims |
| 1. A drill bit comprising;
a bit body intermediate a shank and a working face comprising at least one cutting insert;
a bore formed in the working face co-axial within an axis of rotation of the drill bit, and
a jack element retained within the bore by a retaining element that intrudes a diameter of the bore;
wherein the retaining element is at least partial attached to the working surface of the drill bit.
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