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:
Nov. 30, 1976
Filed:
May. 09, 1975
J Edward Anderson, Moreland Hills, OH (US);
Marquette Metal Products Company, Cleveland, OH (US);
Abstract
The gear train speed changing transmission for transmitting rotation from an input member to an output member comprises planet gears carried at the distal end portion of the input member for planetary rotation and connected together for conjoined rotation about their respective axes, at least one of the planet gears being in mesh with a reaction gear and at least one planet gear being in mesh with a gear carried by the output member. The transmission also includes a coil spring brake means disposed to coact with the reaction gear to selectively prevent or permit rotation of the gear. In a more limited aspect of the invention the transmission has two or more gear trains interconnecting the input member with the output member and wherein each train includes a reaction gear and a brake means for selecting which gear train rotary transmission is to be effected.