The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 14, 2001
Filed:
Nov. 06, 1998
Thomas Allan Schmidt, Eden Prairie, MN (US);
Nexen Group, Inc., Vadnais Heights, MN (US);
Abstract
A brake (,) for a servo-motor (,) includes a housing (,) having first and second housing portions (,) and in which an input (,) is rotatably mounted by a bearing (,). The pilot (,) of the servo-motor (,) is received in an enlarged recess (,) while the shaft (,) passes through an axial opening (,) and is secured in an axial bore (,) of the input (,) by a coupling (,) to align the brake (,) with the servo-motor (,). The brake (,) is secured to the servo-motor (,) by screws (,) which extend through elongated, radially elongated slots (,). A wedge shaped friction facing (,) is biased to engage an interface surface (,) of the input (,) and a friction surface portion (,) of the housing (,) by a spring (,) extending between a radial surface (,) and the first housing portion (,). The friction facing (,) is moved to a disengaged position by a piston (,) slideable under fluid pressure in a chamber (,) of the second housing portion (,).